US20060035049A1 - Foldform label laminate - Google Patents
Foldform label laminate Download PDFInfo
- Publication number
- US20060035049A1 US20060035049A1 US11/252,071 US25207105A US2006035049A1 US 20060035049 A1 US20060035049 A1 US 20060035049A1 US 25207105 A US25207105 A US 25207105A US 2006035049 A1 US2006035049 A1 US 2006035049A1
- Authority
- US
- United States
- Prior art keywords
- band
- release
- laminate according
- bands
- web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
- B31D1/021—Making adhesive labels having a multilayered structure, e.g. provided on carrier webs
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0288—Labels or tickets consisting of more than one part, e.g. with address of sender or other reference on separate section to main label; Multi-copy labels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0288—Labels or tickets consisting of more than one part, e.g. with address of sender or other reference on separate section to main label; Multi-copy labels
- G09F3/0289—Pull- or fold-out labels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/08—Fastening or securing by means not forming part of the material of the label itself
- G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1051—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by folding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1064—Partial cutting [e.g., grooving or incising]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/14—Layer or component removable to expose adhesive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1486—Ornamental, decorative, pattern, or indicia
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/149—Sectional layer removable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/149—Sectional layer removable
- Y10T428/1495—Adhesive is on removable layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24826—Spot bonds connect components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate layer is discontinuous or differential
Definitions
- the present invention relates generally to label laminates, and, more specifically, to manufacturing thereof.
- the ubiquitous label laminate is found in various configurations for various uses, and is manufactured in various manners.
- the typical consumer label product is in the form of two-ply label sheet having multiple die cut labels removably bonded using pressure sensitive adhesive to an underlying liner coated with a release agent such as silicone.
- the liner is typically mass produced in large rolls and then subsequently laminated to a face sheet also provided from large rolls.
- the laminated face sheet is then suitably die cut to define the individual labels thereon, with the laminate typically being produced in a continuous web which is then divided into sheets which are either cut or folded into stacked reams, or wound into a continuous roll.
- Cut sheet labels are typically sold to consumers in stationery stores.
- the fan-fold and roll forms of label laminates are typically custom tailored for use by large commercial establishments for high speed use in large volume.
- label laminates includes an integral form sheet extending in single ply from the two-ply laminate for providing a combined single sheet form/label configuration.
- These integrated sheets are typically custom tailored in configuration and size for the particular commercial customer. And, these integrated sheets are typically pre-printed with standard information such as company identification and other indicia indicative of the intended use of the sheet such as in commercial sales transactions.
- the labels may be custom configured for customer and return address labels.
- the integral form may be configured for a packing list or invoice.
- the various labels are specifically configured for identifying the particular pharmaceutical drug transaction, with the integral form containing use instructions and other details of the commercial drug purchase.
- the integrated form/label sheet includes the two-ply label laminate and the adjoining single ply form sheet, the manufacture thereof is correspondingly complex, with associated cost. And, the combined one-ply and two-ply integrated sheet affects its subsequent use in printing by the intended customer in either small volume laser printers, for example, or in large volume high-speed printers.
- pre-manufactured liner material may be laminated with pre-manufactured label material typically in continuous webs unwound from corresponding rolls.
- the singly ply form sheet may be suitably joined to the laminate with either a bonded lap-joint construction, or by integrating the form sheet with the face sheet defining the labels, with a liner patch laminated to the back side.
- the liner and face sheet materials are fundamentally different from each other, even if made from ordinary paper.
- Ordinary paper is typically porous, which permits desirable printing thereon in various forms of printers.
- porous paper increases the difficulty of forming a suitable liner.
- Liners are typically manufactured by applying a coating of liquid silicone which is then suitably cured, typically using ultraviolet (UV) light during the manufacturing process. If the paper is porous and readily absorbs the liquid silicone, the cured silicone may not form a suitable release coating for the pressure sensitive adhesive of the laminated face sheet.
- UV ultraviolet
- liner material is typically formed from supercalendered kraft (SCK) paper which is pressed thinner than ordinary bond paper to prevent excess absorption of the liquid silicone during the manufacture of the release liner.
- SCK supercalendered kraft
- the resulting integrated label/form sheet therefore includes a single ply face sheet for both the labels and form sheet, with a smaller patch of the thinner SCK liner bonded to the back side of the labels by the pressure sensitive adhesive laminated therebetween.
- the liner and face sheet have different material compositions and thicknesses, they are subject to undesirable curling thereof due to changes in temperature and relative humidity. Temperature and humidity cause the liner and face sheet to expand and contract differently from each other and leading to curl of the laminate which may cause misfeeding or jamming in typical printers.
- edge joined laminate and form sheet is that a continuous web thereof may be driven through a printing press in a single pass for printing the front and back sides of the web at relatively low cost.
- the custom printed sheets may then be suitably packaged in stacks or rolls and sold to the corresponding commercial customer for subsequent use in laser printers or high-speed printers.
- the face sheet may be provided in a web and driven through the printer in one pass for printing thereof.
- the liner, in web form, may then be driven through the printer in another pass for printing the back side thereof as desired.
- the face sheet and liner are then laminated together with pressure sensitive adhesive therebetween in yet another processing step.
- a foldform label laminate includes a web having first and second bands laminated together along a longitudinal running axis by complementary patterns of release and adhesive disposed therebetween.
- the patterns of release and adhesive repeat along the running axis to define a series of repeating laminated sheets.
- the second band has a corresponding label disposed in each of the sheets.
- Each of the labels is removable from atop the first band, with the adhesive remaining on the label, and the release remaining on the first band.
- FIG. 1 is a schematic representation of an apparatus and method for making label laminates in accordance with exemplary embodiments.
- FIG. 2 is an isometric view of one of the label laminates produced in FIG. 1 in accordance with an exemplary embodiment.
- FIG. 3 is an isometric view of an enlarged portion of the laminate illustrated in FIG. 2 in accordance with another embodiment.
- FIG. 4 is an isometric view of an enlarged portion of the laminate illustrated in FIG. 2 in accordance with another embodiment.
- FIG. 5 is an isometric view of an enlarged portion of the laminate illustrated in FIG. 2 in accordance with another embodiment.
- FIG. 6 is an enlarged portion of the web illustrated in FIG. 1 in accordance with additional embodiments.
- FIG. 1 Illustrated schematically in FIG. 1 is an apparatus 10 in the exemplary form of a flexographic printing press specifically configured for making a label laminate 12 in accordance with a preferred embodiment of the present invention.
- a web 14 of single-ply material is initially provided in a large roll 14 r thereof.
- the web is mounted in the press 10 , with the press including suitable means 16 , in the form of driven rollers or conveyor belts, which dispense and transport the web from the roll along the entire running path through the press.
- the web may have any suitable material composition for use in producing the laminates, including paper or various synthetic materials typically used in label construction.
- the web 14 is divided into three sections which extend longitudinally along the running or dispensing axis of the web as it travels through the press.
- the web includes a first or inboard band 18 adjoining second and third outboard bands 20 , 22 running along laterally opposite edges thereof along the web running axis.
- the first and second bands 18 , 20 adjoin each other along a fold line 24 extending along the running axis and parallel to the three bands.
- the three web bands are integrally joined together in a common or unitary web and therefore having an identical or common material composition and configuration.
- the web and its bands have a first or front side or surface 26 and an opposite second or back side or surface 28 .
- the web front side 26 may be the wire screen side of the paper, with the web back side 28 being the felt side of the paper.
- the web is made of the same material composition across the bands, the front and back sides thereof are slightly different from each other due to their conventional method of manufacture.
- the web includes a pattern of release 30 , such as conventional silicone release agent, disposed on its front side 26 atop the inboard first band 18 , and a pattern of adhesive 32 , such as typical pressure sensitive adhesive, disposed also on the web front side atop the outboard second band 20 .
- a pattern of release 30 such as conventional silicone release agent
- adhesive 32 such as typical pressure sensitive adhesive
- the silicone release and adhesive can be initially formulated as liquids, they may be printed atop the web in conventional printing towers commonly found in flexographic printing presses such as the exemplary press illustrated schematically in FIG. 1 . More specifically, means in the form of a conventional printing tower 34 are incorporated in the press for applying the desired pattern of release 30 on the web front side. Similarly, means 36 in the form of another conventional printing tower are provided in the press for applying the desired pattern of adhesive 32 on the web front side. The adhesive pattern is applied to complement the release pattern for forming the subsequent label laminates.
- the release and adhesive patterns may be applied to the web at any desired locations thereon, including the first, second, or third bands, for the desired label laminate. And, the release and adhesive may be applied in any suitable manner, such as printing or extrusion thereof.
- Means in the conventional form of a plow or plough folder 38 are also incorporated in the transport path of the press for folding the web along the fold line 24 on the run as the web is transported through the press.
- the web is folded along the fold line to join and bond together the corresponding front side portions of the first and second bands 18 , 20 into the corresponding laminate 12 thereof.
- the first and second bands are folded together for exposing to view the common back side portions thereof on opposite sides of the resulting laminate.
- Means in the form of a conventional die cutting roller 40 are included in the press following the folding station for cutting the second band 20 to define one or more removable labels 42 therein.
- Each label 42 is defined by a die cut perimeter 44 in a conventional manner which permits the individual label to be peeled away from the underlying release liner when desired for subsequent use.
- FIG. 2 An exemplary one of the foldform label laminates 12 manufactured in the press illustrated in FIG. 1 is shown in FIG. 2 in more detail.
- the folded together first and second bands 18 , 20 provide a two-ply laminate, with the single-ply third band 22 extending laterally therefrom. Since the common web 14 illustrated in FIG. 1 is used for producing the entire laminate or sheet 12 illustrated in FIG. 2 , the three bands thereof all have the identical material composition and configuration, with the same front and back sides 26 , 28 .
- the third band 22 extends from the laminate in a single-ply which is coextensive and coplanar with the first band 18 in a unitary construction therewith, which additionally includes the folded-over second band 20 .
- the foldform laminate 12 illustrated in FIG. 2 enjoys significant advantages in construction, as well as being readily manufactured in a single pass through the press 10 illustrated in FIG. 1 .
- a series of the laminates may be readily formed by simply folding the outboard band 20 of the web atop its inboard band 18 in a two-ply configuration, with the remaining outboard band 22 extending laterally therefrom in a single-ply.
- the laminate 12 illustrated in FIG. 2 is formed of one, and only one material, it enjoys the same performance of the common material properties thereof.
- the two plies of the laminate have the same thickness and are laminated together for exposing the same, back side 28 on opposite sides of the laminated first and second bands 18 , 20 .
- This exposed side may be the felt side of the paper in the example illustrated in FIG. 2 or, alternatively, it could be the wire side of the paper.
- the configuration of the exposed opposite sides of the laminated two bands is identical, with their corresponding front sides being hidden inside the laminate along the bond formed by the release 30 and adhesive 32 .
- both bands 18 , 20 have the same felt surface exposed to the environment and are commonly subject to the temperature and humidity therein. As temperature changes, or as humidity changes, both bands 18 , 20 will behave in the same manner and thusly substantially reduce or eliminate undesirable curling of the laminate. In this way, when the so-constructed foldform laminate 12 is later fed through a suitable printer, such as the exemplary laser printer 46 illustrated in FIG. 1 , misfeeding or jamming in the printer due to pre-curling will be substantially reduced.
- the folder 38 is configured for folding the web 14 along the running fold line 24 to form or crease a uniform thickness bend or fold 48 along the outside of the internal fold line 24 for joining together the first and second bands 18 , 20 along a common outboard edge of the resulting laminate.
- the edge fold 48 is an integral or unitary part of the laminate and its adjoining first and second bands, and provides increased structural stiffness along this edge, which is typically the leading edge of the laminate configured for first entering the laser printer 46 illustrated in FIG. 1 .
- the integral leading edge fold 48 increases the leading edge stiffniess in cut-sheet configurations of the laminate, which correspondingly reduces leading edge damage and increases transport reliability through the printer. Furthermore, the fold completely closes the laminate along the leading edge and thusly prevents squeeze-out or liberation of any of the adhesive along this edge due to rolling loads in the laser printer acting on the adhesive softened during passage past the hot fusion roller therein.
- Typical pressure sensitive adhesives used in label laminates readily soften under the high temperature of the hot fusion roller in the laser printer. This is also true of many of the conventional adhesives which may be used in the foldform laminate disclosed above.
- the adhesives may be solvent based, water based, hot melt, warm melt, and UV cured, as well as the various pressure sensitive adhesives typically cured by ultraviolet light.
- the web 14 illustrated in FIG. 1 is preferably selected in material composition for the desired labels and form sheet, it may not enjoy the typical properties associated with the SCK paper typically used for release liners.
- the web material such as typical bond paper, may excessively absorb the liquid silicone in the manufacturing process.
- means in the form of another printing tower 50 are incorporated in the press for applying or printing a suitable barrier coating 52 atop the first band 18 at the beginning of the transport path prior to applying the release coating on the first band.
- Barrier coatings are conventional and reduce absorption of the liquid silicone release by the paper web.
- the release coating may then be applied atop the barrier coating and suitably cured by an ultraviolet (UV) light 54 incorporated in the press following the release tower 34 .
- UV ultraviolet
- a conventional printing tower 56 may be incorporated in the press between the corresponding towers of the barrier and release coatings for printing atop the barrier coating in the first band 18 any suitable print or indicia 58 prior to applying the release 30 atop the print.
- the resulting laminate illustrated in FIG. 2 may have some print 58 visible through the transparent release 30 for providing security features, or printing for any suitable application. Since conventional liner material is premanufactured, it is not possible to print anything under the release coating thereof, which reduces the efficiency of the liner material in label configurations.
- barrier coating and pre-printing under the release material are optional features in the manufacturing process, and may be used to advantage where desired.
- an additional printing tower 56 may be introduced in an intermediate stage of the press for suitably printing the web 14 outside the first band area occupied by the patterned release 30 .
- This second printing tower 56 may be located immediately following the UV light station for printing the front side of the web after curing the applied release 30 , and before folding the web.
- Yet another third printing tower 56 may be included in the press on the opposite side of the web so that the second and third printing stations can simultaneously print both the front and back sides of the web as it is transported along the running axis.
- the locations of the second and third printing towers may be before the folding station as illustrated, or may be after the folding station as desired for suitably printing the web.
- additional print 58 may be disposed on the front side of the third band 22 , as well as on the back side of the second band 20 which later becomes laminated atop the first band.
- the third band 22 of the web will define the single-ply form sheets of the final label laminate and may be pre-printed during the manufacturing process of the label laminates for the intended commercial customer.
- the print or indicia 58 printed on both sides of the web may have any suitable form such as including identification of the commercial customer by company name and address, and any suitable information corresponding with the form or labels found in the label laminates.
- one of the labels is printed with the letter “A” which is indicative of any desired printing thereon.
- the third band contains the print “Form” indicative of any useful information to be printed on the subsequent form sheet.
- the first band 18 is pre-printed with suitable indicia identified by the letter “B” formed below the resulting clear silicone release coating later applied in the press.
- the common web illustrated in FIG. 1 is used for producing and defining individual and discrete label laminates 12 which repeat in series along the continuous web until they are later separated from each other.
- the release 30 , the adhesive 32 , and the various print 58 repeats in series along the web for the corresponding portions thereof defining the interim blanks which result in the final label laminates 12 at the end of the several stations in the press.
- the press illustrated in FIG. 1 further includes means in the form of another station including a suitable roller 60 for embossing or perforating the fold line 24 prior to folding therealong.
- a suitable roller 60 for embossing or perforating the fold line 24 prior to folding therealong.
- the embossing roller 60 may be used to provide a line indentation embossment of the fold line, designated 24 e, for permitting accurate folding of the two bands therealong.
- the press may also include means in the form of a conventional slitting knife 62 for cutting or slitting the folded laminate 12 along the fold line 24 and removing the edge fold 48 therefrom.
- the fold 48 may remain an integral part of the final laminate, it may be conveniently removed therefrom by the slitting station where desired.
- the so-slit resulting laminate will have a square leading edge as typically found in integrated form/label laminates produced by conventional methods.
- the die cutting station 40 illustrated in FIG. 1 may be used to define one or more labels 42 in the laminated second band 20 in any suitable configuration and size.
- the second band 20 may be conveniently die cut to define the two labels 42 illustrated in FIG. 1 inside a surrounding matrix 64 which typically defines unused or scrap material.
- the press illustrated in FIG. 1 may also include suitable means 66 for pulling or removing the matrix 64 to expose the labels 42 laminated atop the first band 18 .
- suitable means 66 for pulling or removing the matrix 64 to expose the labels 42 laminated atop the first band 18 . This is illustrated schematically in FIG. 4 by removal of the matrix which is readily peeled away from the underlying release coating 30 forming a weak bond with the adhesive 32 disposed behind the matrix.
- the embossing station 60 illustrated in FIG. 1 may alternatively be configured for perforating the fold line 24 prior to folding together the first and second bands.
- the resulting perforations 68 are illustrated in FIG. 5 as a line of small diecuts extending completely through the junction of the first and second bands along the hidden fold line 24 therein.
- the fold 48 thusly includes the line of perforation 68 which may be used in the embodiment illustrated in FIG. 4 for providing a clean tear line as the matrix 64 is removed from the laminate and scrapped.
- the web may be embossed, perforated, or die cut at any convenient location in the press for any suitable purpose. Embossing and perforating the fold line have been addressed above. Die cutting the labels 42 has also been addressed above. And, the third band 22 may be conveniently die cut or perforated as desired.
- the third band may be perforated along the running axis which is transverse to the width of the individual label laminates, with the line of perforation 68 being suitably spaced between the trailing edge or bottom edge of the laminate defined by the lower edge of the web and the junction of the first and third bands.
- the third band may be perforated using the embossing station 60 before the folding process, or it may be perforated after the folding process using the die cutting station 40 as desired.
- means 70 , 72 , 74 are provided for dividing the finally processed web into a group of individual laminate sheets 12 , each sheet including a corresponding one of the labels 42 therein.
- a conventional sheet cutter 70 may be used for cutting the laminated web into identical and repeating laminate sheets 12 , with each sheet including corresponding labels therein.
- the sheets are cut from the web and suitably stacked in groups or reams, which may be packaged and sold to commercial customers, or to individual consumers.
- Such cut sheet form of the label laminates may be typically used by the consumer in a suitable printer, such as the laser printer 46 , and will enjoy the benefits from the unique and improved configuration thereof.
- the fan folding station 72 may be used for conventionally folding the laminated web into a stack of fanfold laminate sheets 12 , each including the corresponding labels therein.
- the fanfold laminates are typically used by commercial customers for high volume applications through high-speed printers, for example.
- the rolling station 74 may be conventionally used for rolling the laminated web 14 into a roll of the integrated laminated sheets 12 , with each of the sheets including the corresponding labels therein.
- the individual laminate sheets may be defined by the repeating pattern of labels therein, or may be defined by a suitable indicia between the laminates in the roll.
- a transverse row of perforations may be provided laterally across the width of laminated bands for permitting subsequent removal by tearing of individual sheets.
- label sheet rolls are conventional, and are typically used in commercial equipment having integral cutters therein which can repeatedly cut the roll into the individual sheets as they are printed at high volume.
- the printing press 10 illustrated schematically in FIG. 1 permits one-pass processing of the originally plain web 14 into the final product label laminate 12 including the integrated removable labels and form sheet portion thereof.
- Printing of all desired indicia or print, application of the desired release agent, and application of the desired pressure sensitive adhesive are all effected in corresponding stations along the running axis and permit a great variety in final form of the resulting label laminates.
- the release pattern 30 on the first band 18 is continuous, and the adhesive pattern 32 on the second band 20 is also continuous.
- the entire second band 20 as illustrated in FIG. 2 is adhesively bonded along the entirety of one side thereof to the release coating 30 completely covering the opposing side of the first band.
- the individual labels 42 are readily removable from the laminate by being peeled away therefrom in typical fashion.
- the matrix 64 may or may not be removed from the laminate as desired.
- FIG. 6 illustrates schematically additional patterns of the release and adhesive which may be printed atop the first and second bands using the versatility provided by the press illustrated in FIG. 1 . Many of these patterns result in unique label laminates which are separately the subject of other patent applications or issued patents. Such laminates, however, may be manufactured to advantage using the newly configured press illustrated in FIG. 1 .
- FIG. 6 One embodiment illustrated in FIG. 6 is the release pattern 30 on the first band 18 being discontinuous, and the adhesive pattern 32 on the second band 20 also being discontinuous.
- the two discontinuous patterns of release and adhesive are complementary with each other or symmetrical along the fold line 24 so that the adhesive on one band is laminated against the release coating on the other band for permitting subsequent separation of the bands at their specifically configured labels.
- the release and adhesive patterns include complementary rectangular patches which are nested inside each other in the pre-folded configuration illustrated in FIG. 6 , as well as being nested inside each other after the second band 20 is folded and laminated atop the first band 18 .
- the die cut perimeters 44 have been added to FIG. 6 for clarity of presentation to illustrate the resulting duplex label lamination configuration in which a small label 42 in the first band 18 will nest inside the larger label 42 defined in the second band 20 .
- the small label 42 printed with the letter “B” includes a full coating of the adhesive which is initially laminated to the corresponding rectangle of release 30 centered inside the large label on the second band. The small label may therefore be separately removed from the large label.
- the large label 42 has a perimeter band of the adhesive around the center release rectangle and may be removed from the first band and used as a typical adhesive label.
- the release pattern 30 is repetitive along the first band 18 not only in each resulting laminate sheet but from sheet to sheet along the running axis of the web.
- the adhesive pattern 32 is similarly repetitive along the second band 20 in each sheet as well as along the running axis of the web.
- the repetitive release and adhesive patterns are complementary with each other over the fold line 24 so that the adhesive on one band is laminated against release on the opposite band to permit their subsequent delamination.
- a particular advantage of the press illustrated in FIG. 1 is that the release 30 may be applied in a pattern atop the web front side 26 along both the first and second bands 18 , 20 . And, the adhesive 30 may also be applied in a corresponding pattern atop the same front side 26 of both the first and second bands.
- the one side application of the release and adhesive is followed by folding of the first and second bands 18 , 20 together which is symmetrical along the fold line so that the complementary patterns of release and adhesive are laminated together.
- FIG. 6 illustrates yet another embodiment in which the release and adhesive patterns include complementary and alternating stripes 30 s, 32 s which are also symmetrical to each other about the fold line 24 and may therefore be nested together in the laminated product.
- the nested stripes permit nested labels to be formed in both bands 18 , 20 which decreases scrap material associated with conventional liners which are not used as labels themselves.
- FIG. 6 also illustrates another form of the release and adhesive patterns in complementary checkerboards 30 c, 32 c which again are symmetrical about the fold line 24 and are nested together in the final product.
- the checkerboard configuration permits the creation of labels in both bands 18 , 20 which are separately removable, with each label having a sufficient amount of adhesive thereon for use as a pressure sensitive label.
- FIG. 6 illustrates yet another form of adhesive stripes 32 a,b which may be formed of different adhesive compositions and strength for varying the bonding strength of the resulting label.
- the adhesive may be printed in a checkerboard pattern 32 a,b of different strength adhesives for again varying the bonding characteristics of the resulting label.
- release characteristics of the release coating may be varied as desired by using one or more different compositions for the release material in suitable patterns tailored for the specific label configuration.
- FIG. 6 illustrates yet another embodiment at the right end of the web in which the adhesive 32 may be applied atop the front sides of both the first and second bands 18 , 20 on opposite sides of the fold line 24 .
- the adhesive 32 may coat the two bands with half-thicknesses thereof so that when the two bands are laminated together, a full thickness of the adhesive is provided.
- the adhesive 32 applied to the first band 18 is applied over the release coating 30 , with the adhesive being aligned along both sides of the fold line 24 to form a two-ply adhesive laminate thereof after folding together of the two bands.
- the final adhesive coat weight is the sum of the two side coatings. This provides a benefit when using water-based pressure sensitive adhesives since thin coatings thereof dry more efficiently and quicker than thicker coatings thereof and improve the throughput capacity of the press.
- both the first and second bands 18 , 20 are die cut across the fold 48 to define a single label 42 b which bridges both sides of the laminate and can therefore provide a correspondingly large label having greater than twice the area of either label formed alone in each of the two opposing bands.
- the release 30 s and adhesive 32 s are provided in complementary striped patterns on the first and second bands to provide adhesive on both of the bands which is removably bonded to opposing release on the other band.
- the resulting adhesive stripes on the large label 42 b thusly alternate from one end to the other for permitting the label to be adhesively bonded to the intended surface.
- the release and adhesive stripes extend parallel with the fold 48 and its fold line along the running axis of the web.
- the release and adhesive stripes could be disposed perpendicular to the fold line while alternating along the running axis.
- FIG. 5 illustrates yet another embodiment of the label diecuts 44 extending around the fold 48 to the line of perforations 68 .
- the resulting label 42 c can be slightly longer than the adjacent label 42 and can be readily peeled away from the underlying first band 18 and torn along the perforations 68 .
- the line of perforations 68 could also be used in the large label 42 b of FIG. 4 for providing additional advantage in the double size label bridging both sides of the laminates.
- the foldform process of making the individual label laminate sheets in a continuous running web as illustrated in FIG. 1 permits one-pass production of the final laminate sheets from the single web roll, and enjoys the many benefits disclosed above.
- the resulting laminate sheet is formed of a single material composition from a single-lot production of the web.
- the differently configured wire front side 26 and felt back side 28 of the web are used to advantage in the foldforn final laminate illustrated for example in FIG. 2 .
- the two bands 18 , 20 have identical material composition, with both bands having the same side exposed outwardly, with the same side being laminated together and hidden inside the laminate. Whether the exposed sides of the laminate are the wire or felt sides of the original web is irrelevant since the same side is exposed outwardly and behaves the same under changes in temperature and humidity for eliminating undesirable curling forces which would otherwise occur in different material composition or differently exposed felt or wire sides of typical label laminates.
- typical liner material is thin SCK paper which inherently has a different material composition than the label face sheet due to the different production thereof and the different manufacturing lots. And, the face sheet and SCK liner have their respective wire and felt sides which are different from each other and provide different performance when laminated together in the final product.
- the foldform manufacturing process disclosed above and its corresponding apparatus provide a new and improved manner for producing label laminates with, or without, the integral single-ply form sheets formed therewith.
- the resulting label laminate sheets enjoy the advantages of single-material composition, and single-side configuration of the opposite exposed surfaces.
Abstract
A foldform label laminate includes a web having first and second bands laminated together along a longitudinal running axis by complementary patterns of release and adhesive disposed therebetween. The patterns of release and adhesive repeat along the running axis to define a series of repeating laminated sheets. The second band has a corresponding label disposed in each of the sheets. Each of the labels is removable from atop the first band, with the adhesive remaining on the label, and the release remaining on the first band.
Description
- This application is a division of application Ser. No. 10/419,449; filed Apr. 21, 2003, which in turn is a continuation-in-part of application Ser. No. 09/775,998, filed Feb. 2, 2001, now U.S. Pat. No. 6,596,359.
- The present invention relates generally to label laminates, and, more specifically, to manufacturing thereof.
- The ubiquitous label laminate is found in various configurations for various uses, and is manufactured in various manners. The typical consumer label product is in the form of two-ply label sheet having multiple die cut labels removably bonded using pressure sensitive adhesive to an underlying liner coated with a release agent such as silicone.
- The liner is typically mass produced in large rolls and then subsequently laminated to a face sheet also provided from large rolls. The laminated face sheet is then suitably die cut to define the individual labels thereon, with the laminate typically being produced in a continuous web which is then divided into sheets which are either cut or folded into stacked reams, or wound into a continuous roll.
- Cut sheet labels are typically sold to consumers in stationery stores. The fan-fold and roll forms of label laminates are typically custom tailored for use by large commercial establishments for high speed use in large volume.
- One variation of label laminates includes an integral form sheet extending in single ply from the two-ply laminate for providing a combined single sheet form/label configuration. These integrated sheets are typically custom tailored in configuration and size for the particular commercial customer. And, these integrated sheets are typically pre-printed with standard information such as company identification and other indicia indicative of the intended use of the sheet such as in commercial sales transactions.
- The labels may be custom configured for customer and return address labels. The integral form may be configured for a packing list or invoice. And, in the typical pharmaceutical application, the various labels are specifically configured for identifying the particular pharmaceutical drug transaction, with the integral form containing use instructions and other details of the commercial drug purchase.
- Since the integrated form/label sheet includes the two-ply label laminate and the adjoining single ply form sheet, the manufacture thereof is correspondingly complex, with associated cost. And, the combined one-ply and two-ply integrated sheet affects its subsequent use in printing by the intended customer in either small volume laser printers, for example, or in large volume high-speed printers.
- As indicated above, pre-manufactured liner material may be laminated with pre-manufactured label material typically in continuous webs unwound from corresponding rolls. The singly ply form sheet may be suitably joined to the laminate with either a bonded lap-joint construction, or by integrating the form sheet with the face sheet defining the labels, with a liner patch laminated to the back side.
- In this configuration, the liner and face sheet materials are fundamentally different from each other, even if made from ordinary paper. Ordinary paper is typically porous, which permits desirable printing thereon in various forms of printers. However, porous paper increases the difficulty of forming a suitable liner.
- Liners are typically manufactured by applying a coating of liquid silicone which is then suitably cured, typically using ultraviolet (UV) light during the manufacturing process. If the paper is porous and readily absorbs the liquid silicone, the cured silicone may not form a suitable release coating for the pressure sensitive adhesive of the laminated face sheet.
- Accordingly, liner material is typically formed from supercalendered kraft (SCK) paper which is pressed thinner than ordinary bond paper to prevent excess absorption of the liquid silicone during the manufacture of the release liner. In this way, a minimum amount of silicone will coat the SCK paper and will rapidly cure in the high-speed production transport thereof to form a smooth release surface having the desired release characteristics with the selected adhesive for permitting subsequent removal of individual adhesive labels therefrom.
- The resulting integrated label/form sheet therefore includes a single ply face sheet for both the labels and form sheet, with a smaller patch of the thinner SCK liner bonded to the back side of the labels by the pressure sensitive adhesive laminated therebetween. Since the liner and face sheet have different material compositions and thicknesses, they are subject to undesirable curling thereof due to changes in temperature and relative humidity. Temperature and humidity cause the liner and face sheet to expand and contract differently from each other and leading to curl of the laminate which may cause misfeeding or jamming in typical printers.
- One advantage of the edge joined laminate and form sheet is that a continuous web thereof may be driven through a printing press in a single pass for printing the front and back sides of the web at relatively low cost. In this way, the custom printed sheets may then be suitably packaged in stacks or rolls and sold to the corresponding commercial customer for subsequent use in laser printers or high-speed printers.
- In another method of construction, the face sheet may be provided in a web and driven through the printer in one pass for printing thereof. The liner, in web form, may then be driven through the printer in another pass for printing the back side thereof as desired. And, the face sheet and liner are then laminated together with pressure sensitive adhesive therebetween in yet another processing step.
- These multiple processing steps correspondingly increase the cost of production as opposed to the edge-joined production method disclosed above. However, the materials typically cost less in this multiprocess procedure as compared to the edge-joined procedure described above. Nevertheless, the multi-pass process typically results in the end product being more costly.
- Accordingly, it is desired to provide an improved method of manufacturing label laminates, corresponding apparatus therefor, and the corresponding product produced thereby.
- A foldform label laminate includes a web having first and second bands laminated together along a longitudinal running axis by complementary patterns of release and adhesive disposed therebetween. The patterns of release and adhesive repeat along the running axis to define a series of repeating laminated sheets. The second band has a corresponding label disposed in each of the sheets. Each of the labels is removable from atop the first band, with the adhesive remaining on the label, and the release remaining on the first band.
- The invention, in accordance with preferred and exemplary embodiments, together with further objects and advantages thereof, is more particularly described in the following detailed description taken in conjunction with the accompanying drawings in which:
-
FIG. 1 is a schematic representation of an apparatus and method for making label laminates in accordance with exemplary embodiments. -
FIG. 2 is an isometric view of one of the label laminates produced inFIG. 1 in accordance with an exemplary embodiment. -
FIG. 3 is an isometric view of an enlarged portion of the laminate illustrated inFIG. 2 in accordance with another embodiment. -
FIG. 4 is an isometric view of an enlarged portion of the laminate illustrated inFIG. 2 in accordance with another embodiment. -
FIG. 5 is an isometric view of an enlarged portion of the laminate illustrated inFIG. 2 in accordance with another embodiment. -
FIG. 6 is an enlarged portion of the web illustrated inFIG. 1 in accordance with additional embodiments. - Illustrated schematically in
FIG. 1 is anapparatus 10 in the exemplary form of a flexographic printing press specifically configured for making alabel laminate 12 in accordance with a preferred embodiment of the present invention. Aweb 14 of single-ply material is initially provided in alarge roll 14r thereof. The web is mounted in thepress 10, with the press including suitable means 16, in the form of driven rollers or conveyor belts, which dispense and transport the web from the roll along the entire running path through the press. - The web may have any suitable material composition for use in producing the laminates, including paper or various synthetic materials typically used in label construction. The
web 14 is divided into three sections which extend longitudinally along the running or dispensing axis of the web as it travels through the press. - The web includes a first or
inboard band 18 adjoining second andthird outboard bands second bands fold line 24 extending along the running axis and parallel to the three bands. The three web bands are integrally joined together in a common or unitary web and therefore having an identical or common material composition and configuration. - The web and its bands have a first or front side or
surface 26 and an opposite second or back side orsurface 28. In typical paper construction, theweb front side 26 may be the wire screen side of the paper, with the web backside 28 being the felt side of the paper. Although the web is made of the same material composition across the bands, the front and back sides thereof are slightly different from each other due to their conventional method of manufacture. - The web includes a pattern of
release 30, such as conventional silicone release agent, disposed on itsfront side 26 atop the inboardfirst band 18, and a pattern of adhesive 32, such as typical pressure sensitive adhesive, disposed also on the web front side atop the outboardsecond band 20. - Since the silicone release and adhesive can be initially formulated as liquids, they may be printed atop the web in conventional printing towers commonly found in flexographic printing presses such as the exemplary press illustrated schematically in
FIG. 1 . More specifically, means in the form of aconventional printing tower 34 are incorporated in the press for applying the desired pattern ofrelease 30 on the web front side. Similarly, means 36 in the form of another conventional printing tower are provided in the press for applying the desired pattern of adhesive 32 on the web front side. The adhesive pattern is applied to complement the release pattern for forming the subsequent label laminates. - Accordingly, the release and adhesive patterns may be applied to the web at any desired locations thereon, including the first, second, or third bands, for the desired label laminate. And, the release and adhesive may be applied in any suitable manner, such as printing or extrusion thereof.
- Means in the conventional form of a plow or
plough folder 38 are also incorporated in the transport path of the press for folding the web along thefold line 24 on the run as the web is transported through the press. The web is folded along the fold line to join and bond together the corresponding front side portions of the first andsecond bands laminate 12 thereof. In this way, the first and second bands are folded together for exposing to view the common back side portions thereof on opposite sides of the resulting laminate. - Means in the form of a conventional
die cutting roller 40 are included in the press following the folding station for cutting thesecond band 20 to define one or moreremovable labels 42 therein. Eachlabel 42 is defined by a die cutperimeter 44 in a conventional manner which permits the individual label to be peeled away from the underlying release liner when desired for subsequent use. - An exemplary one of the foldform label laminates 12 manufactured in the press illustrated in
FIG. 1 is shown inFIG. 2 in more detail. The folded together first andsecond bands third band 22 extending laterally therefrom. Since thecommon web 14 illustrated inFIG. 1 is used for producing the entire laminate orsheet 12 illustrated inFIG. 2 , the three bands thereof all have the identical material composition and configuration, with the same front and back sides 26,28. Thethird band 22 extends from the laminate in a single-ply which is coextensive and coplanar with thefirst band 18 in a unitary construction therewith, which additionally includes the folded-oversecond band 20. - The
foldform laminate 12 illustrated inFIG. 2 enjoys significant advantages in construction, as well as being readily manufactured in a single pass through thepress 10 illustrated inFIG. 1 . From the plain,common web 14, a series of the laminates may be readily formed by simply folding theoutboard band 20 of the web atop itsinboard band 18 in a two-ply configuration, with the remainingoutboard band 22 extending laterally therefrom in a single-ply. - Since the laminate 12 illustrated in
FIG. 2 is formed of one, and only one material, it enjoys the same performance of the common material properties thereof. The two plies of the laminate have the same thickness and are laminated together for exposing the same, backside 28 on opposite sides of the laminated first andsecond bands FIG. 2 or, alternatively, it could be the wire side of the paper. In either embodiment, the configuration of the exposed opposite sides of the laminated two bands is identical, with their corresponding front sides being hidden inside the laminate along the bond formed by therelease 30 and adhesive 32. - In this configuration, both
bands bands foldform laminate 12 is later fed through a suitable printer, such as theexemplary laser printer 46 illustrated inFIG. 1 , misfeeding or jamming in the printer due to pre-curling will be substantially reduced. - In the preferred embodiment illustrated in
FIGS. 1 and 2 , thefolder 38 is configured for folding theweb 14 along the runningfold line 24 to form or crease a uniform thickness bend or fold 48 along the outside of theinternal fold line 24 for joining together the first andsecond bands edge fold 48 is an integral or unitary part of the laminate and its adjoining first and second bands, and provides increased structural stiffness along this edge, which is typically the leading edge of the laminate configured for first entering thelaser printer 46 illustrated inFIG. 1 . - The integral
leading edge fold 48 increases the leading edge stiffniess in cut-sheet configurations of the laminate, which correspondingly reduces leading edge damage and increases transport reliability through the printer. Furthermore, the fold completely closes the laminate along the leading edge and thusly prevents squeeze-out or liberation of any of the adhesive along this edge due to rolling loads in the laser printer acting on the adhesive softened during passage past the hot fusion roller therein. - Typical pressure sensitive adhesives used in label laminates readily soften under the high temperature of the hot fusion roller in the laser printer. This is also true of many of the conventional adhesives which may be used in the foldform laminate disclosed above. The adhesives may be solvent based, water based, hot melt, warm melt, and UV cured, as well as the various pressure sensitive adhesives typically cured by ultraviolet light.
- Since the
web 14 illustrated inFIG. 1 is preferably selected in material composition for the desired labels and form sheet, it may not enjoy the typical properties associated with the SCK paper typically used for release liners. The web material, such as typical bond paper, may excessively absorb the liquid silicone in the manufacturing process. - Accordingly, means in the form of another
printing tower 50 are incorporated in the press for applying or printing asuitable barrier coating 52 atop thefirst band 18 at the beginning of the transport path prior to applying the release coating on the first band. Barrier coatings are conventional and reduce absorption of the liquid silicone release by the paper web. The release coating may then be applied atop the barrier coating and suitably cured by an ultraviolet (UV) light 54 incorporated in the press following therelease tower 34. - A
conventional printing tower 56 may be incorporated in the press between the corresponding towers of the barrier and release coatings for printing atop the barrier coating in thefirst band 18 any suitable print orindicia 58 prior to applying therelease 30 atop the print. In this way, the resulting laminate illustrated inFIG. 2 may have someprint 58 visible through thetransparent release 30 for providing security features, or printing for any suitable application. Since conventional liner material is premanufactured, it is not possible to print anything under the release coating thereof, which reduces the efficiency of the liner material in label configurations. - The barrier coating and pre-printing under the release material are optional features in the manufacturing process, and may be used to advantage where desired.
- In addition to the option of printing under the release before its application, an
additional printing tower 56 may be introduced in an intermediate stage of the press for suitably printing theweb 14 outside the first band area occupied by the patternedrelease 30. Thissecond printing tower 56 may be located immediately following the UV light station for printing the front side of the web after curing the appliedrelease 30, and before folding the web. - Yet another
third printing tower 56 may be included in the press on the opposite side of the web so that the second and third printing stations can simultaneously print both the front and back sides of the web as it is transported along the running axis. The locations of the second and third printing towers may be before the folding station as illustrated, or may be after the folding station as desired for suitably printing the web. - In this way,
additional print 58 may be disposed on the front side of thethird band 22, as well as on the back side of thesecond band 20 which later becomes laminated atop the first band. As shown inFIGS. 1 and 2 , thethird band 22 of the web will define the single-ply form sheets of the final label laminate and may be pre-printed during the manufacturing process of the label laminates for the intended commercial customer. The print orindicia 58 printed on both sides of the web may have any suitable form such as including identification of the commercial customer by company name and address, and any suitable information corresponding with the form or labels found in the label laminates. - For example only, one of the labels is printed with the letter “A” which is indicative of any desired printing thereon. The third band contains the print “Form” indicative of any useful information to be printed on the subsequent form sheet. And, the
first band 18 is pre-printed with suitable indicia identified by the letter “B” formed below the resulting clear silicone release coating later applied in the press. - The common web illustrated in
FIG. 1 is used for producing and defining individual and discrete label laminates 12 which repeat in series along the continuous web until they are later separated from each other. Therelease 30, the adhesive 32, and thevarious print 58 repeats in series along the web for the corresponding portions thereof defining the interim blanks which result in the final label laminates 12 at the end of the several stations in the press. - In order to improve the efficiency of folding together the first and second bands, the press illustrated in
FIG. 1 further includes means in the form of another station including asuitable roller 60 for embossing or perforating thefold line 24 prior to folding therealong. For example, theembossing roller 60 may be used to provide a line indentation embossment of the fold line, designated 24e, for permitting accurate folding of the two bands therealong. - As shown in
FIGS. 1 and 3 , the press may also include means in the form of aconventional slitting knife 62 for cutting or slitting the foldedlaminate 12 along thefold line 24 and removing the edge fold 48 therefrom. Although thefold 48 may remain an integral part of the final laminate, it may be conveniently removed therefrom by the slitting station where desired. The so-slit resulting laminate will have a square leading edge as typically found in integrated form/label laminates produced by conventional methods. - The
die cutting station 40 illustrated inFIG. 1 may be used to define one ormore labels 42 in the laminatedsecond band 20 in any suitable configuration and size. For example, thesecond band 20 may be conveniently die cut to define the twolabels 42 illustrated inFIG. 1 inside a surroundingmatrix 64 which typically defines unused or scrap material. - Accordingly, the press illustrated in
FIG. 1 may also include suitable means 66 for pulling or removing thematrix 64 to expose thelabels 42 laminated atop thefirst band 18. This is illustrated schematically inFIG. 4 by removal of the matrix which is readily peeled away from theunderlying release coating 30 forming a weak bond with the adhesive 32 disposed behind the matrix. - The
embossing station 60 illustrated inFIG. 1 may alternatively be configured for perforating thefold line 24 prior to folding together the first and second bands. The resultingperforations 68 are illustrated inFIG. 5 as a line of small diecuts extending completely through the junction of the first and second bands along the hiddenfold line 24 therein. - The
fold 48 thusly includes the line ofperforation 68 which may be used in the embodiment illustrated inFIG. 4 for providing a clean tear line as thematrix 64 is removed from the laminate and scrapped. - Since the
entire web 14 illustrated inFIG. 1 is available between unfolded and folded states along the running axis of the press, the web may be embossed, perforated, or die cut at any convenient location in the press for any suitable purpose. Embossing and perforating the fold line have been addressed above. Die cutting thelabels 42 has also been addressed above. And, thethird band 22 may be conveniently die cut or perforated as desired. - For example, the third band may be perforated along the running axis which is transverse to the width of the individual label laminates, with the line of
perforation 68 being suitably spaced between the trailing edge or bottom edge of the laminate defined by the lower edge of the web and the junction of the first and third bands. The third band may be perforated using theembossing station 60 before the folding process, or it may be perforated after the folding process using thedie cutting station 40 as desired. - At the end of the press illustrated in
FIG. 1 , means 70,72,74 are provided for dividing the finally processed web into a group ofindividual laminate sheets 12, each sheet including a corresponding one of thelabels 42 therein. - For example, a
conventional sheet cutter 70 may be used for cutting the laminated web into identical andrepeating laminate sheets 12, with each sheet including corresponding labels therein. The sheets are cut from the web and suitably stacked in groups or reams, which may be packaged and sold to commercial customers, or to individual consumers. Such cut sheet form of the label laminates may be typically used by the consumer in a suitable printer, such as thelaser printer 46, and will enjoy the benefits from the unique and improved configuration thereof. - Alternatively, the
fan folding station 72 may be used for conventionally folding the laminated web into a stack offanfold laminate sheets 12, each including the corresponding labels therein. The fanfold laminates are typically used by commercial customers for high volume applications through high-speed printers, for example. - In yet another embodiment, the rolling
station 74 may be conventionally used for rolling thelaminated web 14 into a roll of the integratedlaminated sheets 12, with each of the sheets including the corresponding labels therein. The individual laminate sheets may be defined by the repeating pattern of labels therein, or may be defined by a suitable indicia between the laminates in the roll. - For example, a transverse row of perforations may be provided laterally across the width of laminated bands for permitting subsequent removal by tearing of individual sheets. However, label sheet rolls are conventional, and are typically used in commercial equipment having integral cutters therein which can repeatedly cut the roll into the individual sheets as they are printed at high volume.
- The
printing press 10 illustrated schematically inFIG. 1 , including the many specifically configured stations thereof, permits one-pass processing of the originallyplain web 14 into the finalproduct label laminate 12 including the integrated removable labels and form sheet portion thereof. Printing of all desired indicia or print, application of the desired release agent, and application of the desired pressure sensitive adhesive are all effected in corresponding stations along the running axis and permit a great variety in final form of the resulting label laminates. - In a simple embodiment illustrated in
FIG. 1 , therelease pattern 30 on thefirst band 18 is continuous, and theadhesive pattern 32 on thesecond band 20 is also continuous. In this way, the entiresecond band 20 as illustrated inFIG. 2 is adhesively bonded along the entirety of one side thereof to therelease coating 30 completely covering the opposing side of the first band. Theindividual labels 42 are readily removable from the laminate by being peeled away therefrom in typical fashion. And, thematrix 64 may or may not be removed from the laminate as desired. -
FIG. 6 illustrates schematically additional patterns of the release and adhesive which may be printed atop the first and second bands using the versatility provided by the press illustrated inFIG. 1 . Many of these patterns result in unique label laminates which are separately the subject of other patent applications or issued patents. Such laminates, however, may be manufactured to advantage using the newly configured press illustrated inFIG. 1 . - One embodiment illustrated in
FIG. 6 is therelease pattern 30 on thefirst band 18 being discontinuous, and theadhesive pattern 32 on thesecond band 20 also being discontinuous. The two discontinuous patterns of release and adhesive are complementary with each other or symmetrical along thefold line 24 so that the adhesive on one band is laminated against the release coating on the other band for permitting subsequent separation of the bands at their specifically configured labels. - In this configuration, the release and adhesive patterns include complementary rectangular patches which are nested inside each other in the pre-folded configuration illustrated in
FIG. 6 , as well as being nested inside each other after thesecond band 20 is folded and laminated atop thefirst band 18. The die cutperimeters 44 have been added toFIG. 6 for clarity of presentation to illustrate the resulting duplex label lamination configuration in which asmall label 42 in thefirst band 18 will nest inside thelarger label 42 defined in thesecond band 20. - The
small label 42 printed with the letter “B” includes a full coating of the adhesive which is initially laminated to the corresponding rectangle ofrelease 30 centered inside the large label on the second band. The small label may therefore be separately removed from the large label. - However, the
large label 42, with letter “A,” has a perimeter band of the adhesive around the center release rectangle and may be removed from the first band and used as a typical adhesive label. - In this configuration, the
release pattern 30 is repetitive along thefirst band 18 not only in each resulting laminate sheet but from sheet to sheet along the running axis of the web. And, theadhesive pattern 32 is similarly repetitive along thesecond band 20 in each sheet as well as along the running axis of the web. The repetitive release and adhesive patterns are complementary with each other over thefold line 24 so that the adhesive on one band is laminated against release on the opposite band to permit their subsequent delamination. - A particular advantage of the press illustrated in
FIG. 1 is that therelease 30 may be applied in a pattern atop theweb front side 26 along both the first andsecond bands front side 26 of both the first and second bands. The one side application of the release and adhesive is followed by folding of the first andsecond bands - The ability of the
press 10 illustrated inFIG. 1 to precisely print the corresponding patterns of release and adhesive coatings on the two bands permits any suitable patterns to be printed.FIG. 6 illustrates yet another embodiment in which the release and adhesive patterns include complementary and alternatingstripes fold line 24 and may therefore be nested together in the laminated product. The nested stripes permit nested labels to be formed in bothbands -
FIG. 6 also illustrates another form of the release and adhesive patterns incomplementary checkerboards fold line 24 and are nested together in the final product. Again, the checkerboard configuration permits the creation of labels in bothbands -
FIG. 6 illustrates yet another form ofadhesive stripes 32 a,b which may be formed of different adhesive compositions and strength for varying the bonding strength of the resulting label. Correspondingly, the adhesive may be printed in acheckerboard pattern 32 a,b of different strength adhesives for again varying the bonding characteristics of the resulting label. - Furthermore, the release characteristics of the release coating may be varied as desired by using one or more different compositions for the release material in suitable patterns tailored for the specific label configuration.
-
FIG. 6 illustrates yet another embodiment at the right end of the web in which the adhesive 32 may be applied atop the front sides of both the first andsecond bands fold line 24. In this way, the adhesive 32 may coat the two bands with half-thicknesses thereof so that when the two bands are laminated together, a full thickness of the adhesive is provided. - Note that the adhesive 32 applied to the
first band 18 is applied over therelease coating 30, with the adhesive being aligned along both sides of thefold line 24 to form a two-ply adhesive laminate thereof after folding together of the two bands. - When the adhesive is applied in half-thickness or half-weight to both sides of the fold line, the final adhesive coat weight is the sum of the two side coatings. This provides a benefit when using water-based pressure sensitive adhesives since thin coatings thereof dry more efficiently and quicker than thicker coatings thereof and improve the throughput capacity of the press.
- Illustrated in
FIG. 4 is a particularly unique form of the label, designated 42 b, which may be created by the web folding process. For example, both the first andsecond bands fold 48 to define asingle label 42 b which bridges both sides of the laminate and can therefore provide a correspondingly large label having greater than twice the area of either label formed alone in each of the two opposing bands. - In this configuration, the
release 30 s and adhesive 32 s are provided in complementary striped patterns on the first and second bands to provide adhesive on both of the bands which is removably bonded to opposing release on the other band. The resulting adhesive stripes on thelarge label 42b thusly alternate from one end to the other for permitting the label to be adhesively bonded to the intended surface. - In the embodiment illustrated in
FIG. 4 , the release and adhesive stripes extend parallel with thefold 48 and its fold line along the running axis of the web. However, the release and adhesive stripes could be disposed perpendicular to the fold line while alternating along the running axis. -
FIG. 5 illustrates yet another embodiment of thelabel diecuts 44 extending around thefold 48 to the line ofperforations 68. The resultinglabel 42 c can be slightly longer than theadjacent label 42 and can be readily peeled away from the underlyingfirst band 18 and torn along theperforations 68. If desired, the line ofperforations 68 could also be used in thelarge label 42 b ofFIG. 4 for providing additional advantage in the double size label bridging both sides of the laminates. - The foldform process of making the individual label laminate sheets in a continuous running web as illustrated in
FIG. 1 permits one-pass production of the final laminate sheets from the single web roll, and enjoys the many benefits disclosed above. The resulting laminate sheet is formed of a single material composition from a single-lot production of the web. The differently configuredwire front side 26 and felt backside 28 of the web are used to advantage in the foldforn final laminate illustrated for example inFIG. 2 . - The two
bands - Note in particular, that typical liner material is thin SCK paper which inherently has a different material composition than the label face sheet due to the different production thereof and the different manufacturing lots. And, the face sheet and SCK liner have their respective wire and felt sides which are different from each other and provide different performance when laminated together in the final product.
- Accordingly, the foldform manufacturing process disclosed above and its corresponding apparatus, provide a new and improved manner for producing label laminates with, or without, the integral single-ply form sheets formed therewith. The resulting label laminate sheets enjoy the advantages of single-material composition, and single-side configuration of the opposite exposed surfaces. These are several of many advantages disclosed above which are attributable to the foldform process in the various forms of label laminates which may be produced therefrom.
- While there have been described herein what are considered to be preferred and exemplary embodiments of the present invention, other modifications of the invention shall be apparent to those skilled in the art from the teachings herein, and it is, therefore, desired to be secured in the appended claims all such modifications as fall within the true spirit and scope of the invention.
Claims (37)
1. A label laminate comprising:
a web including first and second bands adjoining along a fold line extending longitudinally along a running axis, with said web and bands thereof having a front side and an opposite back side;
a pattern of release disposed on said web front side atop said first band;
a pattern of adhesive disposed on said web front side atop said second band to complement said release;
said front side portions of said first and second bands being bonded together by said adhesive in a laminate, with said back side portions of said bands being exposed on opposite sides of said laminate; and
said second band including a removable label therein.
2. A laminate according to claim 1 wherein said web further includes a third band extending from said first band in a single-ply therewith, and adjoining said second band in two plies with said first band.
3. A laminate according to claim 2 further comprising an integral fold disposed along said fold line joining together said first and second bands along a common edge of said laminate.
4. A laminate according to claim 3 further comprising a barrier coating disposed atop said first band and below said release.
5. A laminate according to claim 4 further comprising print disposed atop said barrier coating and below said release.
6. A laminate according to claim 3 further comprising print disposed on said web outside said release.
7. A laminate according to claim 6 further comprising print disposed on both said front and back sides of said web.
8. A laminate according to claim 3 wherein release pattern on said first band is continuous, and said adhesive pattern on said second band is continuous.
9. A laminate according to claim 3 wherein release pattern on said first band is discontinuous, and said adhesive pattern on said second band is discontinuous and complementary with said discontinuous release pattern.
10. A laminate according to claim 3 wherein said release pattern is repetitive along said first band, and said adhesive pattern is repetitive along said second band and complementary with said repetitive release pattern.
11. A laminate according to claim 3 further comprising:
said release being disposed in a pattern atop said front side of both said first and second bands;
said adhesive being disposed in a pattern atop said front side of both said first and second bands; and
said release and adhesive patterns being complementary to each other on said first and second bands symmetrically along said fold line.
12. A laminate according to claim 11 wherein said release and adhesive patterns include complementary rectangular patches nested inside each other.
13. A laminate according to claim 11 wherein said release and adhesive patterns include complementary alternating stripes.
14. A laminate according to claim 11 wherein said release and adhesive patterns include complementary checkerboards.
15. A laminate according to claim 3 further comprising said adhesive being disposed atop said front side of both said first and second bands.
16. A laminate according to claim 15 wherein said adhesive on both said first and second bands is aligned along said fold line to form a two-ply adhesive laminate thereof.
17. A laminate according to claim 3 further comprising said label having a die cut perimeter disposed inside a surrounding matrix in said second band.
18. A label laminate comprising:
first and second bands having an identical material composition with common front and back sides;
said first band having a pattern of release atop said front side thereof;
said second band having a pattern of adhesive atop said front side thereof;
said first and second bands being bonded together by said adhesive and release along said front sides thereof to form said laminate, and exposing said back sides thereof on opposite sides of said laminate; and
said second band having a removable label therein defined by a die cut perimeter.
19. A laminate according to claim 18 further comprising a third band adjoining said first band in a coplanar single-ply therewith, with second band joined atop said first band in a two-ply laminate.
20. A laminate according to claim 19 further comprising an integral fold along said fold line joining together said first and second bands along a common edge of said laminate.
21. A laminate according to claim 20 further comprising print disposed on said first band under said release.
22. A laminate according to claim 20 further comprising print disposed on said front side of said third band and on said back side of said second band laminated atop said first band.
23. A laminate according to claim 20 wherein said fold line is embossed.
24. A laminate according to claim 20 where said fold includes a line of perforations.
25. A laminate according to claim 20 wherein said label bridges said fold and extends on both sides of said first and second bands, with a common die cut perimeter.
26. A foldform label laminate comprising:
a web including first and second bands laminated together along a longitudinal running axis by complementary patterns of release and adhesive disposed therebetween;
said patterns of release and adhesive repeating along said running axis to define a series of repeating laminated sheets, with said second band having a corresponding label disposed in each of said sheets; and
each of said labels being removable from atop said first band, with said adhesive remaining on said label, and said release remaining on said first band.
27. A laminate according to claim 26 wherein said first and second bands have identical material composition and configuration in a common single-lot web.
28. A laminate according to claim 27 wherein said web includes opposite front and back sides, and said first and second bands are laminated together to expose said web back side on opposite sides of said laminated bands and hide said web front side inside said laminated bands.
29. A laminate according to claim 28 wherein said web comprises paper, and said web front side comprises the wire screen side thereof, and said web back side comprises the felt side thereof.
30. A laminate according to claim 28 wherein said web further includes a third band extending from said laminated bands in a single-ply being coextensive with said first band.
31. A laminate according to claim 28 further comprising a fold integrally joining together said first and second bands along a common outboard edge.
32. A laminate according to claim 28 wherein said first and second bands are laminated together along a bond formed by said adhesive and release, and said bond is exposed along a square outboard edge of said laminated bands.
33. A laminate according to claim 28 wherein each of said labels is disposed inside a surrounding matrix in said second band.
34. A laminate according to claim 28 wherein each of said labels is laminated atop said first band without a surrounding matrix of said second band to expose said release on said first band.
35. A laminate according to claim 28 wherein said web is divided into a group of individual laminated sheets, and said sheets are stacked together in a ream.
36. A laminate according to claim 28 wherein said web is folded into a stack of fanfold laminated sheets.
37. A laminate according to claim 28 wherein said web comprises a roll of said laminated sheets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/252,071 US20060035049A1 (en) | 2001-02-02 | 2005-10-17 | Foldform label laminate |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/775,998 US6596359B2 (en) | 2001-02-02 | 2001-02-02 | Duplex label laminate |
US10/419,449 US7241357B2 (en) | 2001-02-02 | 2003-04-21 | Foldform label laminate |
US11/252,071 US20060035049A1 (en) | 2001-02-02 | 2005-10-17 | Foldform label laminate |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/419,449 Division US7241357B2 (en) | 2001-02-02 | 2003-04-21 | Foldform label laminate |
Publications (1)
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US20060035049A1 true US20060035049A1 (en) | 2006-02-16 |
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ID=25106174
Family Applications (3)
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US10/419,449 Expired - Fee Related US7241357B2 (en) | 2001-02-02 | 2003-04-21 | Foldform label laminate |
US11/252,071 Abandoned US20060035049A1 (en) | 2001-02-02 | 2005-10-17 | Foldform label laminate |
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US09/775,998 Expired - Lifetime US6596359B2 (en) | 2001-02-02 | 2001-02-02 | Duplex label laminate |
US10/419,449 Expired - Fee Related US7241357B2 (en) | 2001-02-02 | 2003-04-21 | Foldform label laminate |
Country Status (2)
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US (3) | US6596359B2 (en) |
EP (1) | EP1229509A3 (en) |
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Also Published As
Publication number | Publication date |
---|---|
EP1229509A3 (en) | 2004-08-04 |
US6596359B2 (en) | 2003-07-22 |
US7241357B2 (en) | 2007-07-10 |
US20020106494A1 (en) | 2002-08-08 |
EP1229509A2 (en) | 2002-08-07 |
US20040001930A1 (en) | 2004-01-01 |
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