US20160069028A1 - Method for producing a printable single or multi-layered material web as well as a material web produced in this manner and an associated installation for producing such a material web - Google Patents
Method for producing a printable single or multi-layered material web as well as a material web produced in this manner and an associated installation for producing such a material web Download PDFInfo
- Publication number
- US20160069028A1 US20160069028A1 US14/787,128 US201414787128A US2016069028A1 US 20160069028 A1 US20160069028 A1 US 20160069028A1 US 201414787128 A US201414787128 A US 201414787128A US 2016069028 A1 US2016069028 A1 US 2016069028A1
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- United States
- Prior art keywords
- material web
- doctor blade
- primer
- printing
- 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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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/20—Apparatus therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/34—Knife or blade type coaters
- D21H23/36—Knife or blade forming part of the fluid reservoir, e.g. puddle-type trailing blade or short-dwell coaters
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/40—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper only one side of the paper being in contact with the material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
- D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
Definitions
- the invention relates to a method for producing a printable single or multi-layer material web according to the preamble of claim 1 , and to a material web produced thereby according to claim 20 , and to an installation for producing a material web of this kind according to claim 22 .
- printed paper specifically what are referred to as decorative films, is used within the context of industrial manufacturing.
- this paper is generally printed by means of an intaglio printing process.
- the print quality here, depends on various factors. As well as the quality of the printing material used, for example the paper printing web used, the quality primarily also depends on the surface structure of the printing rollers.
- Decorative films of this kind which are often printed with imitations of wood, are used for producing printed or printable components of various kinds, specifically in particular for producing furniture applications, but also for producing floor, ceiling and/or wall applications. Furniture applications using decorative wood patterns are known for example.
- corresponding decorative paper printed with imitations of wood and/or pre-impregnated decorative paper is glued to corresponding base panels which may consist, for example, of a medium-density or high-density fiberboard, in particular wood fiberboard. Since corresponding panels provided with decorative paper or pre-impregnated decorative paper, for example in the form of a furniture application or laminate flooring, have to withstand high stresses, laminate flooring must comprise an additional protective layer as the top layer, i.e. a corresponding plastics material layer, which is also referred to as an overlay layer.
- PI-paper synthetic resin impregnation
- material webs which for example comprise a plastics film layer as the top layer or consist of a plastics film.
- the mentioned material webs to be printed can be not only single-layer but also multi-layer, it being possible for the bottom layer to consist for example of a decorative paper web and the layers positioned thereon to consist of other materials and to in addition comprise adhesive intermediate layers.
- the top layer may consist of plastics material.
- a category-defining method for producing a paper layer for a planar printed or printable component, for example in the form of a floor, wall, ceiling and/or furniture panel, is known from WO 2009/097986 A1 for example.
- the printed decorative paper can then be resin-treated. This is generally and preferably carried out in that the printed decorative paper web is guided through an appropriate vat containing resin and subsequently dried under the influence of heat.
- the printed paper web which has been treated and saturated with resin in this way can then be applied to wood panels by means of heating, for which reason a resin which can be re-activated under the influence of heat, such as amino resin, melamine resin or the like, is preferably proposed.
- decorative paper is to be used which has not been resin-treated and which is to be coated on the printing side with a dye-absorbing material, subsequently printed and then saturated by means of resin.
- the paper layer it should also be possible for the paper layer to be resin-treated from the underside prior to printing in a defined manner such that the upper region of the fibre structure having a low or no resin content preferably extends over a maximum of 30% of the thickness of the fibre structure.
- the printed decorative paper web is preferably only resin-treated after the printing process has been carried out. If resin treatment occurs prior to printing, however, then only the underside of the decorative paper web should be saturated with resin, and specifically without resin reaching the printing side.
- the dye-absorbing substance used can be applied to the decorative paper web by various methods. It is mentioned that the dye-absorbing substance can be applied separately or together with a sealing liquid, by means of rollers, sprays, doctor blades, blade coating methods, airbrushes, cast coating methods, film pressing methods, cloth pressing methods, curtain coating methods and/or by means of application using a slotted nozzle.
- doctor blades for paper, cardboard, finishing or tissue machines is further known, for example, from WO 2008/037850 A1.
- doctor blade which has a specific construction so as to be usable for as long as possible.
- the doctor blade described in this prior publication is arranged such that the free forward-moving end of the doctor blade is in contact with a surface of a roll or of a cylinder.
- doctor blades of the kind described in WO 2008/037850 A1 can be used in various manners.
- the described doctor blades can be used, for example, as scraper blades.
- the doctor blade points counter to the direction of rotation of the roll.
- the doctor blade described in the document can, however, also be used as a coating blade. In this case, the doctor blade points in the direction of rotation of the roll.
- the object of the present invention is that of providing an improved method and an improved device for producing printable or printed single or multi-layer material webs, in particular for further processing to form printed base panels or construction materials, for example in the form of furniture, floor, ceiling and/or wall elements.
- the present invention assumes, in the same way as the prior art, that the material web to be printed should be provided with a primer layer prior to printing.
- a primer layer is applied, in an excess amount, to the printing side of the material web.
- a doctor knife is used, which will also be referred to hereinafter as a doctor blade.
- the spacing and preferably the orientation position of this doctor blade relative to the material web which is guided past can be adjusted such that the free-flowing or viscous material of the primer to be used runs onto this doctor knife and can be transferred in an adhesive manner from the doctor knife to the material web to be printed only in the desired pre-set layer thickness.
- the excess material is then removed and collected.
- the doctor blade, and particularly the tip thereof to be arranged for example between two rollers which are spaced apart (i.e. in general between two contact lines which are spaced apart and between which the material web is guided), such that the tip of the doctor blade lifts up from the coated material web, in the form of a hydrodynamic high pressure zone established between the doctor blade and the material web. Direct contact between the tip and the material web is thus interrupted.
- the mentioned hydrodynamic high pressure zone which is similar to what is known as the aquaplaning effect, ensures an interruption-free start of the primer material on the entire width of the material web, in the exact pre-set layer thickness and at optimal quality.
- the doctor blade does not interact with the surface of the material web 1 at the point at which the material web rests on the roller drum of a roller.
- the doctor blade is arranged such that the tip thereof is spaced apart from the deflection rollers which may be present, i.e. outside what is known as the wrap region, on a roller on which the material web is in contact with the surface of a rotating roller.
- a primer material which has properties relating to the solids content and relating to the runout time which are also defined within the context of the invention.
- FIG. 1 is a schematic side view of a press according to the invention for pre-treating a material web to be printed;
- FIG. 2 is an enlarged detail of the doctor knife in the orientation position thereof relative to the material web guided past said knife.
- FIGS. 1 and 2 schematically show how a material web 1 to be printed can be coated with a free-flowing, i.e. at least viscous, material.
- the material web 1 may be a film-like material web 1 of a pre-determined width.
- the width corresponds to the use (not shown in the drawings) in typical printing cylinders of a printing press.
- it may for example be an intaglio printing process, an inkjet printing process or another common printing process.
- the detail of the press shown in the drawings may, in this case, be part of an entire printing press, since the method according to the invention can also preferably be carried out in what is known as an online process, i.e. the material web to be printed is continuously first coated and then correspondingly printed.
- the material web to be printed is first appropriately pre-treated within the context of the invention, and then for example wound onto a winding station in order to be printed later, in a second separate step at a different time and optionally also a different location.
- the mentioned material web may for example be a pre-impregnated paper web, specifically pre-impregnated decorative paper 1 ′.
- a plastics film or plastics film web 1 ′′ can optionally also be used.
- the material webs may be single-layer or multi-layer and, for example, the layer closer to the printing side 1 a may consist of or comprise decorative paper 1 ′ or a plastics film 1 ′′ and the other layers may consist of or comprise comparable or other materials.
- a multi-layer decorative paper web can also comprise plastics film layers and, vice versa, a plastics film can comprise at least one paper layer on the side remote from the printing.
- bonding agents or adhesive layers for example can also be provided between the individual layers. There are no restrictions in this respect.
- pre-impregnated paper layer specifically what is known as pre-impregnated decorative paper.
- decorative papers should be understood as meaning all pre-impregnates, film papers, thin films in a wide range of colour combinations, etc.
- the material web 1 for example, in particular in the form of the decorative paper 1 ′, can be saturated using a wide range of resin solutions, for example melamine resins and urea resins in a wide variety of compositions, plastics acrylate compounds (e.g. Acronal, Acrodur mixed with various chemical additives), paper sized using starch sizing, AKD sizing or sizing agents in combination with acrylates etc.
- resin solutions for example melamine resins and urea resins in a wide variety of compositions, plastics acrylate compounds (e.g. Acronal, Acrodur mixed with various chemical additives), paper sized using starch sizing, AKD sizing or sizing agents in combination with acrylates etc.
- the preferred application amount of the above-mentioned options can be for example between 10% and 50%, based on the basis weight of the material web 1 , in particular the decorative paper web 1 ′, it being possible for the basis weight of said material web 1 , and in particular of said decorative paper web 1 ′, to usually be between 30 g/m 2 and 100 g/m 2 .
- a material web of this kind is moved through the press by means of an appropriate drive means using one or more driven rollers and rolls, feed, support and/or guide rollers generally being used, which are correspondingly caused to rotate, i.e. are actively driven.
- idling rollers may also be provided, over which the material web 1 is guided at a predetermined wrap angle corresponding to the travel path, and in the process also sets into rotation the corresponding rollers which are not actively driven.
- an application roller 2 and a feed roller 3 are also provided in the press, the scraper 4 , i.e. the so-called doctor scraper or doctor blade 4 ′ provided within the context of the invention, being positioned between these two rollers 2 and 3 .
- Said scraper 4 for example in the form of the doctor blade 4 ′, is arranged directly in the removal direction A of the material web 1 , in front of the feed or drive roller 3 , i.e. before the material web 1 touches the peripheral wall 3 a of the feed roller 3 , i.e. outside what is known as the wrap region of said drive roller 3 .
- the application roller 2 is arranged above a primer vat 5 which is filled with the primer material 6 to be used. Said primer vat 5 is therefore located directly below the material web 1 in the removal direction A and in front of the doctor blade arrangement.
- the mentioned scraper 4 is fixed to an adjustment mechanism 7 , by means of which a position and/or orientation of the scraper 4 can be adjusted, and thus in particular the doctor blade tip 44 can be correspondingly adjusted relative to the material web 1 .
- the doctor blade 4 ′ can be adjusted, by means of the adjustment mechanism 7 , at an appropriate angle ⁇ relative to the material web 1 , i.e. in particular the pre-impregnated paper web 1 ′ or paper layer 1 ′ or a plastics film or plastics film web 1 ′′, i.e. at an appropriate angle relative to the plane of the material web 1 .
- Said angle ⁇ should preferably be between 25° and 75°.
- the smallest angle 1 a between the plane of the doctor blade 7 ′ and the plane of the material web 1 should be greater than 30°, in particular greater than 35°, 40°, 45°, 50°, 55° or 60°.
- the angle ⁇ should generally be less than 70°, 65°, 60°, 55°, 50°, 45° or 40°.
- optimal angular ranges are between 35° and 55°, in particular between 40° and 50°, above all approximately 45°.
- the scraper 4 i.e. the doctor blade 4 ′
- the scraper 4 is adjusted in an appropriate manner relative to the material web 1 which is correspondingly guided, and tensioned and coated by the rotary rollers during the production process, resulting in a hydrodynamic high pressure zone 8 ( FIG. 2 ) being established in the angular range between the doctor blade 4 ′ and the material web 1 .
- a specific stable hydrodynamic surface overpressure of the primer material i.e. the liquid, free-flowing or at least viscous primer material, which overpressure also depends on the primer material, is established in this hydrodynamic high pressure zone 8 , as a result of which said primer material is evenly applied over the entire surface 1 a of the material web 1 . This is a similar effect to that known by the term “aquaplaning”.
- the mentioned hydrodynamic high pressure zone 8 is established in the shape of a “wedge” in front of the blade of the doctor blade 7 by the liquid or free-flowing primer material applied to the material web 1 , as a result of which high pressure zone the tip 44 of the doctor blade 4 lifts off the coated material web 1 .
- the tip 44 and the material web 1 is interrupted.
- the mentioned hydrodynamic high pressure zone 8 which is similar to what is known as the aquaplaning effect, interruption-free application of the primer material over the entire width of the material web 1 in the exact pre-set layer thickness and at optimal quality is ensured.
- the film web is supported between two rolls, in this case between a contact line (in parallel with the axis of rotation) on the application roller 2 and on the feed roller 3 .
- the doctor blade 4 ′ and thus the blade of the doctor blade 4 ′, is arranged in this case in such a way that the material web 1 extends here in a slightly angled manner between the contact line on the roller 2 and the roller 3 , as can be seen in FIG. 1 .
- a corresponding pressure is indirectly exerted on the material web, via the doctor blade, since the corresponding primer material layer is still passing through, in the corresponding thickness, between the passing blade 44 and the material web 1 .
- the entire arrangement is such that the application roller 2 removes the corresponding primer material from the vat 5 during the rotational movement and applies said material to the printing side 1 a of the material web 1 , this application occurring on the underside of the material web 1 which, in this region, is moved forwards, at least approximately horizontally between the rollers 2 and 3 , i.e. by means of at least predominantly horizontal movement components, such that the excess primer material running onto the doctor blade 4 ′ and removed in part falls downwards under the effect of gravity and is collected in a vat collecting portion 55 and can be returned to the vat 5 .
- doctor blade 4 which consists for example of stainless steel, plastics material or other materials also coated and is designed in the shape of a panel or slat.
- the panel-shaped or slat-shaped stainless steel doctor blade extends perpendicularly to the feed movement A of the material web, i.e. in parallel with the respective axes of rotation of the rollers.
- the doctor blade thickness i.e. the thickness of the doctor blades transversely to the longitudinal extension thereof, may vary within wide ranges, for example it may be between 0.1 mm and 15 mm. Preferred values are above 0.2 mm, 0.3 mm or 0.4 mm and/or 0.5 mm. Likewise, preferred values should be below 15 mm, for example below 12.5 mm, 10 mm, 7.5 mm or 5 mm. Corresponding values can also be present for the phase width D at the doctor blade cutting edge ( FIG. 2 ).
- typical press speeds at which a decorative paper or decorative film of this kind should be coated with the mentioned primer may be between 100 m/min and 350 m/min.
- optimal values may also extend into intermediate ranges, i.e. may also have press speeds which are greater than 100 m/min, specifically for example 110 m/min, 120 m/min, 130 m/min, 140 m/min, 150 m/min, 160 m/min, 170 m/min, 180 m/min, 190 m/min, 200 m/min, 210 m/min, 220 m/min, 230 m/min, 240 m/min, 250 m/min.
- the press speeds are preferably not above 350 m/min, and lower than this value for many uses, specifically lower than 340 m/min, 330 m/min, 320 m/min, 310 m/min, 300 m/min, 290 m/min, 280 m/min, 270 m/min, 260 m/min, 250 m/min, 240 m/min, 230 m/min, 220 m/min, 210 m/min or lower than 200 m/min.
- the primer solution will be described and should preferably be used as a layer to be applied.
- the primer material is a water-based synthetic resin or acrylate resin dispersion.
- the primer material is not a varnish. Rather, a varnish-free primer material is used.
- the primer material should be selected so as to have, for example, a viscosity (kinematic at 20° C.) of between 10 seconds and 30 seconds according to DIN standard 53211/4.
- the runout time of the primer material (primer solution) from the DIN measuring beaker is from 10 seconds to approximately 30 seconds.
- the primer material has pH values of between 5 and 9, preferably between 6.5 and 8, in particular approximately 7.5.
- the primer material may have a solids content of 20% or more, in particular of at least 25%, 30%, 35%, 40%, 45% or at least 50%.
- good and adequate values are also achieved when the solids content is less than or equal to 70%, 65%, 60%, 55%, 50% or less than 45%.
- a value of from approximately 45% to 55% is optimal in many cases.
- the primer material used is miscible with or soluble in water.
- a preferred primer material should be entirely miscible with water or soluble in water.
- the primer material should have a low solvent content of less than 3%, in particular of less than 2%, 1% or even 0.5%. If the primer material in addition has a flash point of over 100° C., there are generally no problems even if the material has to undergo heat treatment prior to printing.
- a primer material of this kind it is possible to print a printable material web 1 , in particular a printable pre-impregnated paper layer or pre-impregnated decorative paper in an optimal manner, which makes it possible to achieve far better printing results, in particular in an intaglio printing process (although an inkjet process or other printing processes can in principle also be considered).
- the material web 1 which is pre-impregnated in particular on the printing side 1 a which web is in particular in the form of a pre-impregnated paper web 1 ′, has been coated with the mentioned primer, and once the primer has undergone at least an adequate drying or surface drying phase, the correspondingly pre-treated material web 1 can then be printed.
- water-based intaglio inks having a solids content of from 5% to 35%, in particular of from 10% to 30% or of from 15% to 25% are used during the mentioned subsequent printing.
- the preferably water-based intaglio inks should for example have a pH value of between 7 and 9, in particular a value of from 7.5 to 8.5.
- Particularly good results can be achieved when the printing inks have a flow rate of from 13 seconds to 30 seconds according to DIN standard 53211/4, already described with reference to the primer material.
- Preferred values are, for example, of between 18 seconds and 25 seconds.
- the printing inks may further comprise binders.
- the binder of the individual basic colours preferably consists of casein. Furthermore, a blend of the binder casein or other binders common in ink production can also be added to the printing inks.
- the use of the primer ultimately makes it possible above all to also smooth the paper and/or film web to be printed.
- this is also a layer which is applied and which smooths unevenness in the decorative paper web.
- the material used is also a type of bonding agent, which acts as a bonding agent for the printing ink which is to be applied. The significantly improved printing results can thereby be achieved.
Abstract
Description
- The invention relates to a method for producing a printable single or multi-layer material web according to the preamble of
claim 1, and to a material web produced thereby according to claim 20, and to an installation for producing a material web of this kind according to claim 22. - In order to produce decorative surfaces (for example by imitating real wood structures, stone and other natural patterns, or artistic imaginative patterns), printed paper, specifically what are referred to as decorative films, is used within the context of industrial manufacturing. In this case, this paper is generally printed by means of an intaglio printing process.
- The print quality, here, depends on various factors. As well as the quality of the printing material used, for example the paper printing web used, the quality primarily also depends on the surface structure of the printing rollers.
- Decorative films of this kind, which are often printed with imitations of wood, are used for producing printed or printable components of various kinds, specifically in particular for producing furniture applications, but also for producing floor, ceiling and/or wall applications. Furniture applications using decorative wood patterns are known for example. In this case, corresponding decorative paper printed with imitations of wood and/or pre-impregnated decorative paper is glued to corresponding base panels which may consist, for example, of a medium-density or high-density fiberboard, in particular wood fiberboard. Since corresponding panels provided with decorative paper or pre-impregnated decorative paper, for example in the form of a furniture application or laminate flooring, have to withstand high stresses, laminate flooring must comprise an additional protective layer as the top layer, i.e. a corresponding plastics material layer, which is also referred to as an overlay layer.
- What is referred to as decorative paper is used for the printed material webs, which paper can, in advance, be in part provided with a corresponding suitable synthetic resin impregnation (pre-impregnated paper=PI-paper). In the process, it should be ensured that the resin penetrates the paper layer as evenly as possible.
- In practice, however, when printing pre-impregnated paper of this kind, problems arise relating to the achievable print quality.
- Similar problems also arise when material webs are to be used which for example comprise a plastics film layer as the top layer or consist of a plastics film.
- In general, the mentioned material webs to be printed can be not only single-layer but also multi-layer, it being possible for the bottom layer to consist for example of a decorative paper web and the layers positioned thereon to consist of other materials and to in addition comprise adhesive intermediate layers. In the same way, in multi-layer material webs to be printed, the top layer may consist of plastics material.
- A category-defining method for producing a paper layer for a planar printed or printable component, for example in the form of a floor, wall, ceiling and/or furniture panel, is known from WO 2009/097986 A1 for example.
- According to this prior publication, it is proposed to proceed for example from (untreated) decorative paper and to cover the printing side of the decorative paper with a dye-absorbing substance prior to printing. As a result of the application of this dye-absorbing substance, on the printing side, the fibres or the fibre structure of the decorative paper should be encased by the dye-absorbing substance and/or cavities between the fibres should be filled completely or in part, so as to thereby improve the printing.
- Once the printing process has been carried out, the printed decorative paper can then be resin-treated. This is generally and preferably carried out in that the printed decorative paper web is guided through an appropriate vat containing resin and subsequently dried under the influence of heat. The printed paper web which has been treated and saturated with resin in this way can then be applied to wood panels by means of heating, for which reason a resin which can be re-activated under the influence of heat, such as amino resin, melamine resin or the like, is preferably proposed.
- It can thus be seen from the above description that, according to the prior publication in question, decorative paper is to be used which has not been resin-treated and which is to be coated on the printing side with a dye-absorbing material, subsequently printed and then saturated by means of resin. In principle, however, it should also be possible for the paper layer to be resin-treated from the underside prior to printing in a defined manner such that the upper region of the fibre structure having a low or no resin content preferably extends over a maximum of 30% of the thickness of the fibre structure. In other words, according to this prior publication, it is essential for there to be no resin present on the printing side prior to printing. For this purpose, the printed decorative paper web is preferably only resin-treated after the printing process has been carried out. If resin treatment occurs prior to printing, however, then only the underside of the decorative paper web should be saturated with resin, and specifically without resin reaching the printing side.
- It is also known from this prior publication that the dye-absorbing substance used can be applied to the decorative paper web by various methods. It is mentioned that the dye-absorbing substance can be applied separately or together with a sealing liquid, by means of rollers, sprays, doctor blades, blade coating methods, airbrushes, cast coating methods, film pressing methods, cloth pressing methods, curtain coating methods and/or by means of application using a slotted nozzle.
- The design and use of doctor blades for paper, cardboard, finishing or tissue machines is further known, for example, from WO 2008/037850 A1.
- This prior publication discloses a doctor blade which has a specific construction so as to be usable for as long as possible. In this case, the doctor blade described in this prior publication is arranged such that the free forward-moving end of the doctor blade is in contact with a surface of a roll or of a cylinder. It is further mentioned that doctor blades of the kind described in WO 2008/037850 A1 can be used in various manners. The described doctor blades can be used, for example, as scraper blades. In this case, the doctor blade points counter to the direction of rotation of the roll. The doctor blade described in the document can, however, also be used as a coating blade. In this case, the doctor blade points in the direction of rotation of the roll.
- Proceeding therefrom, the object of the present invention is that of providing an improved method and an improved device for producing printable or printed single or multi-layer material webs, in particular for further processing to form printed base panels or construction materials, for example in the form of furniture, floor, ceiling and/or wall elements.
- The object is achieved according to the invention in accordance with the features of
claim 1 regarding the method, in accordance with the features ofclaim 19 regarding corresponding printed material webs, and in accordance with the features of claim 21 regarding a corresponding press for producing material webs of this kind. Advantageous embodiments of the invention are specified in the dependent claims. - It has to be said to be extremely surprising that significantly improved printing results are achievable within the scope of the solution according to the invention.
- The present invention assumes, in the same way as the prior art, that the material web to be printed should be provided with a primer layer prior to printing.
- In order to achieve an improved printing result, first, specific pre-treatment must be carried out on a material web to be printed, by a specific substance being applied to the material web, which is to be printed later, in a specific layer thickness which can be pre-selected and optimised for the specific printing.
- For this purpose, initially, within the context of the invention, a primer layer is applied, in an excess amount, to the printing side of the material web. In order to then remove the excess amount not required from the printing side of the material web, what is known as a doctor knife is used, which will also be referred to hereinafter as a doctor blade. The spacing and preferably the orientation position of this doctor blade relative to the material web which is guided past can be adjusted such that the free-flowing or viscous material of the primer to be used runs onto this doctor knife and can be transferred in an adhesive manner from the doctor knife to the material web to be printed only in the desired pre-set layer thickness. The excess material is then removed and collected.
- In this case it is important, within the context of the solution according to the invention, for the doctor blade, and particularly the tip thereof, to be arranged for example between two rollers which are spaced apart (i.e. in general between two contact lines which are spaced apart and between which the material web is guided), such that the tip of the doctor blade lifts up from the coated material web, in the form of a hydrodynamic high pressure zone established between the doctor blade and the material web. Direct contact between the tip and the material web is thus interrupted. The mentioned hydrodynamic high pressure zone, which is similar to what is known as the aquaplaning effect, ensures an interruption-free start of the primer material on the entire width of the material web, in the exact pre-set layer thickness and at optimal quality.
- However, this can only be achieved within the context of the invention in that the doctor blade, and thus the doctor blade tip thereof, does not interact with the surface of the
material web 1 at the point at which the material web rests on the roller drum of a roller. According to the invention, the doctor blade is arranged such that the tip thereof is spaced apart from the deflection rollers which may be present, i.e. outside what is known as the wrap region, on a roller on which the material web is in contact with the surface of a rotating roller. - Finally, a primer material is used which has properties relating to the solids content and relating to the runout time which are also defined within the context of the invention.
- Particularly good results can be achieved when, on the one hand, the values specified within the context of the dependent claims are used for adjusting the doctor blade and, on the other hand, a primer material is used which has the characteristic values found in the claims and the description.
- The invention will be described in more detail in the following, with reference to the drawings, in which:
-
FIG. 1 is a schematic side view of a press according to the invention for pre-treating a material web to be printed; and -
FIG. 2 is an enlarged detail of the doctor knife in the orientation position thereof relative to the material web guided past said knife. -
FIGS. 1 and 2 schematically show how amaterial web 1 to be printed can be coated with a free-flowing, i.e. at least viscous, material. - The
material web 1 may be a film-like material web 1 of a pre-determined width. In this case, the width corresponds to the use (not shown in the drawings) in typical printing cylinders of a printing press. In this case, it may for example be an intaglio printing process, an inkjet printing process or another common printing process. The detail of the press shown in the drawings may, in this case, be part of an entire printing press, since the method according to the invention can also preferably be carried out in what is known as an online process, i.e. the material web to be printed is continuously first coated and then correspondingly printed. Likewise, it is also possible that the material web to be printed is first appropriately pre-treated within the context of the invention, and then for example wound onto a winding station in order to be printed later, in a second separate step at a different time and optionally also a different location. - The mentioned material web may for example be a pre-impregnated paper web, specifically pre-impregnated
decorative paper 1′. Likewise, a plastics film orplastics film web 1″ can optionally also be used. The material webs may be single-layer or multi-layer and, for example, the layer closer to the printing side 1 a may consist of or comprisedecorative paper 1′ or aplastics film 1″ and the other layers may consist of or comprise comparable or other materials. Thus, a multi-layer decorative paper web can also comprise plastics film layers and, vice versa, a plastics film can comprise at least one paper layer on the side remote from the printing. Likewise, bonding agents or adhesive layers for example can also be provided between the individual layers. There are no restrictions in this respect. - The main use within the context of the invention is the preparatory treatment of a pre-impregnated paper layer, specifically what is known as pre-impregnated decorative paper. In this case, “decorative papers” should be understood as meaning all pre-impregnates, film papers, thin films in a wide range of colour combinations, etc.
- In this case, the
material web 1 for example, in particular in the form of thedecorative paper 1′, can be saturated using a wide range of resin solutions, for example melamine resins and urea resins in a wide variety of compositions, plastics acrylate compounds (e.g. Acronal, Acrodur mixed with various chemical additives), paper sized using starch sizing, AKD sizing or sizing agents in combination with acrylates etc. - The preferred application amount of the above-mentioned options can be for example between 10% and 50%, based on the basis weight of the
material web 1, in particular thedecorative paper web 1′, it being possible for the basis weight of saidmaterial web 1, and in particular of saiddecorative paper web 1′, to usually be between 30 g/m2 and 100 g/m2. - A material web of this kind is moved through the press by means of an appropriate drive means using one or more driven rollers and rolls, feed, support and/or guide rollers generally being used, which are correspondingly caused to rotate, i.e. are actively driven. Furthermore, idling rollers may also be provided, over which the
material web 1 is guided at a predetermined wrap angle corresponding to the travel path, and in the process also sets into rotation the corresponding rollers which are not actively driven. - As can further be seen from
FIG. 1 , anapplication roller 2 and a feed roller 3 are also provided in the press, thescraper 4, i.e. the so-called doctor scraper ordoctor blade 4′ provided within the context of the invention, being positioned between these tworollers 2 and 3. -
Said scraper 4, for example in the form of thedoctor blade 4′, is arranged directly in the removal direction A of thematerial web 1, in front of the feed or drive roller 3, i.e. before thematerial web 1 touches the peripheral wall 3 a of the feed roller 3, i.e. outside what is known as the wrap region of said drive roller 3. Theapplication roller 2 is arranged above aprimer vat 5 which is filled with theprimer material 6 to be used. Saidprimer vat 5 is therefore located directly below thematerial web 1 in the removal direction A and in front of the doctor blade arrangement. - In addition, both feed and application modules having additional guide or support rollers are provided.
- The mentioned
scraper 4 is fixed to an adjustment mechanism 7, by means of which a position and/or orientation of thescraper 4 can be adjusted, and thus in particular thedoctor blade tip 44 can be correspondingly adjusted relative to thematerial web 1. - Thus, the
doctor blade 4′ can be adjusted, by means of the adjustment mechanism 7, at an appropriate angle α relative to thematerial web 1, i.e. in particular thepre-impregnated paper web 1′ orpaper layer 1′ or a plastics film orplastics film web 1″, i.e. at an appropriate angle relative to the plane of thematerial web 1. Said angle α should preferably be between 25° and 75°. These values are in part also dependent on the primer material used, which will be described in more detail in the following. However, it has been found that the smallest angle 1 a between the plane of the doctor blade 7′ and the plane of thematerial web 1 should be greater than 30°, in particular greater than 35°, 40°, 45°, 50°, 55° or 60°. On the other hand, the angle α should generally be less than 70°, 65°, 60°, 55°, 50°, 45° or 40°. In other words, optimal angular ranges are between 35° and 55°, in particular between 40° and 50°, above all approximately 45°. - In practice, the
scraper 4, i.e. thedoctor blade 4′, is adjusted in an appropriate manner relative to thematerial web 1 which is correspondingly guided, and tensioned and coated by the rotary rollers during the production process, resulting in a hydrodynamic high pressure zone 8 (FIG. 2 ) being established in the angular range between thedoctor blade 4′ and thematerial web 1. A specific stable hydrodynamic surface overpressure of the primer material, i.e. the liquid, free-flowing or at least viscous primer material, which overpressure also depends on the primer material, is established in this hydrodynamichigh pressure zone 8, as a result of which said primer material is evenly applied over the entire surface 1 a of thematerial web 1. This is a similar effect to that known by the term “aquaplaning”. - Regulation of the doctor blade adjustment angle α relative to the surface of the
material web 1 in the form of thepre-impregnated paper web 1′ or theplastics film web 1″ in conjunction with correspondingly selected parameters regarding the feed speed of the web, the material tension, the amount of primer used, finally also leads to self-cleaning of thedoctor blade 4′ used. The way in which the corresponding parameters can be adjusted in view of the feed speed of the material web, the build-up of the necessary web tension and the web proofing is sufficiently known from corresponding presses which are known in principle. Reference is made in this respect to known presses of this kind. - In summary, therefore, it can be noted that, during application of the primer material to the
material web 1 following the forward movement A of thematerial web 1 through the press, the mentioned hydrodynamichigh pressure zone 8 is established in the shape of a “wedge” in front of the blade of the doctor blade 7 by the liquid or free-flowing primer material applied to thematerial web 1, as a result of which high pressure zone thetip 44 of thedoctor blade 4 lifts off thecoated material web 1. Thus, direct contact between thetip 44 and thematerial web 1 is interrupted. As a result of the mentioned hydrodynamichigh pressure zone 8, which is similar to what is known as the aquaplaning effect, interruption-free application of the primer material over the entire width of thematerial web 1 in the exact pre-set layer thickness and at optimal quality is ensured. - It can also be seen from
FIG. 1 that the film web is supported between two rolls, in this case between a contact line (in parallel with the axis of rotation) on theapplication roller 2 and on the feed roller 3. Thedoctor blade 4′, and thus the blade of thedoctor blade 4′, is arranged in this case in such a way that thematerial web 1 extends here in a slightly angled manner between the contact line on theroller 2 and the roller 3, as can be seen inFIG. 1 . As a result, a corresponding pressure is indirectly exerted on the material web, via the doctor blade, since the corresponding primer material layer is still passing through, in the corresponding thickness, between the passingblade 44 and thematerial web 1. - In this case, the entire arrangement is such that the
application roller 2 removes the corresponding primer material from thevat 5 during the rotational movement and applies said material to the printing side 1 a of thematerial web 1, this application occurring on the underside of thematerial web 1 which, in this region, is moved forwards, at least approximately horizontally between therollers 2 and 3, i.e. by means of at least predominantly horizontal movement components, such that the excess primer material running onto thedoctor blade 4′ and removed in part falls downwards under the effect of gravity and is collected in avat collecting portion 55 and can be returned to thevat 5. - The improved printing results described have been found to be achievable, for example, when using a
doctor blade 4 which consists for example of stainless steel, plastics material or other materials also coated and is designed in the shape of a panel or slat. The panel-shaped or slat-shaped stainless steel doctor blade extends perpendicularly to the feed movement A of the material web, i.e. in parallel with the respective axes of rotation of the rollers. The doctor blade thickness, i.e. the thickness of the doctor blades transversely to the longitudinal extension thereof, may vary within wide ranges, for example it may be between 0.1 mm and 15 mm. Preferred values are above 0.2 mm, 0.3 mm or 0.4 mm and/or 0.5 mm. Likewise, preferred values should be below 15 mm, for example below 12.5 mm, 10 mm, 7.5 mm or 5 mm. Corresponding values can also be present for the phase width D at the doctor blade cutting edge (FIG. 2 ). - For the sake of completeness, it should be mentioned that typical press speeds at which a decorative paper or decorative film of this kind should be coated with the mentioned primer, described in the following, may be between 100 m/min and 350 m/min. In general, optimal values may also extend into intermediate ranges, i.e. may also have press speeds which are greater than 100 m/min, specifically for example 110 m/min, 120 m/min, 130 m/min, 140 m/min, 150 m/min, 160 m/min, 170 m/min, 180 m/min, 190 m/min, 200 m/min, 210 m/min, 220 m/min, 230 m/min, 240 m/min, 250 m/min. On the other hand, the press speeds are preferably not above 350 m/min, and lower than this value for many uses, specifically lower than 340 m/min, 330 m/min, 320 m/min, 310 m/min, 300 m/min, 290 m/min, 280 m/min, 270 m/min, 260 m/min, 250 m/min, 240 m/min, 230 m/min, 220 m/min, 210 m/min or lower than 200 m/min.
- In the following, the primer solution will be described and should preferably be used as a layer to be applied. The primer material is a water-based synthetic resin or acrylate resin dispersion. In other words, the primer material is not a varnish. Rather, a varnish-free primer material is used.
- The primer material should be selected so as to have, for example, a viscosity (kinematic at 20° C.) of between 10 seconds and 30 seconds according to DIN standard 53211/4. In other words, the runout time of the primer material (primer solution) from the DIN measuring beaker is from 10 seconds to approximately 30 seconds.
- For achieving optimal printing results, it has further proven favourable for the primer material to have pH values of between 5 and 9, preferably between 6.5 and 8, in particular approximately 7.5.
- In addition, the primer material may have a solids content of 20% or more, in particular of at least 25%, 30%, 35%, 40%, 45% or at least 50%. On the other hand, good and adequate values are also achieved when the solids content is less than or equal to 70%, 65%, 60%, 55%, 50% or less than 45%. A value of from approximately 45% to 55% is optimal in many cases.
- Finally, it is also favourable for the primer material used to be miscible with or soluble in water. In this case, a preferred primer material should be entirely miscible with water or soluble in water. Finally, the primer material should have a low solvent content of less than 3%, in particular of less than 2%, 1% or even 0.5%. If the primer material in addition has a flash point of over 100° C., there are generally no problems even if the material has to undergo heat treatment prior to printing.
- By using a primer material of this kind, it is possible to print a
printable material web 1, in particular a printable pre-impregnated paper layer or pre-impregnated decorative paper in an optimal manner, which makes it possible to achieve far better printing results, in particular in an intaglio printing process (although an inkjet process or other printing processes can in principle also be considered). - Thus, after the
material web 1 which is pre-impregnated in particular on the printing side 1 a, which web is in particular in the form of apre-impregnated paper web 1′, has been coated with the mentioned primer, and once the primer has undergone at least an adequate drying or surface drying phase, the correspondinglypre-treated material web 1 can then be printed. - Preferably, water-based intaglio inks having a solids content of from 5% to 35%, in particular of from 10% to 30% or of from 15% to 25% are used during the mentioned subsequent printing. The preferably water-based intaglio inks should for example have a pH value of between 7 and 9, in particular a value of from 7.5 to 8.5. Particularly good results can be achieved when the printing inks have a flow rate of from 13 seconds to 30 seconds according to DIN standard 53211/4, already described with reference to the primer material. Preferred values are, for example, of between 18 seconds and 25 seconds.
- The printing inks may further comprise binders. The binder of the individual basic colours preferably consists of casein. Furthermore, a blend of the binder casein or other binders common in ink production can also be added to the printing inks.
- It has been explained, within the context of the invention, that the use of the primer ultimately makes it possible above all to also smooth the paper and/or film web to be printed. In this respect, this is also a layer which is applied and which smooths unevenness in the decorative paper web. In addition, the material used is also a type of bonding agent, which acts as a bonding agent for the printing ink which is to be applied. The significantly improved printing results can thereby be achieved.
Claims (22)
Applications Claiming Priority (3)
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DE102013007602.1 | 2013-05-03 | ||
DE102013007602.1A DE102013007602A1 (en) | 2013-05-03 | 2013-05-03 | Process for producing a printable single-layer or multilayer material web and a material web produced thereon and an associated system for producing such a material web |
PCT/EP2014/001100 WO2014177258A1 (en) | 2013-05-03 | 2014-04-24 | Method for producing a printable single or multi-layered material web as well as a material web produced in this manner and an associated installation for producing such a material web |
Publications (1)
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US20160069028A1 true US20160069028A1 (en) | 2016-03-10 |
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US (1) | US20160069028A1 (en) |
EP (1) | EP2992142B1 (en) |
JP (1) | JP2016522741A (en) |
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BR (1) | BR112015026150B1 (en) |
CA (1) | CA2908175A1 (en) |
DE (1) | DE102013007602A1 (en) |
DK (1) | DK2992142T3 (en) |
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HU (1) | HUE033174T2 (en) |
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PT (1) | PT2992142T (en) |
RU (1) | RU2661211C2 (en) |
SI (1) | SI2992142T1 (en) |
WO (1) | WO2014177258A1 (en) |
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US9719263B1 (en) * | 2014-09-28 | 2017-08-01 | King Conroy, LLC | System, kit, and method of resurfacing and/or embellishing a countertop |
CN109868682A (en) * | 2019-01-15 | 2019-06-11 | 上海馨星环保科技有限公司 | A kind of technique preparing polylactic acid membrane and its sizer |
CN112619999A (en) * | 2020-12-04 | 2021-04-09 | 王斌 | Gluing device and adhesive tape coating machine |
US11535045B2 (en) | 2019-03-06 | 2022-12-27 | Ricoh Company, Ltd. | Adjustable web handling mechanism |
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DE102017128258A1 (en) * | 2017-09-14 | 2019-03-14 | Schattdecor Ag | Method of manufacturing and protecting against inadmissible duplication of decor paper or films |
KR20210076354A (en) | 2019-12-16 | 2021-06-24 | 엘지전자 주식회사 | Refrigerator |
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2013
- 2013-05-03 DE DE102013007602.1A patent/DE102013007602A1/en not_active Withdrawn
-
2014
- 2014-04-24 LT LTEP14722551.0T patent/LT2992142T/en unknown
- 2014-04-24 EP EP14722551.0A patent/EP2992142B1/en active Active
- 2014-04-24 RU RU2015146996A patent/RU2661211C2/en active
- 2014-04-24 CN CN201480025133.2A patent/CN105189867B/en active Active
- 2014-04-24 HU HUE14722551A patent/HUE033174T2/en unknown
- 2014-04-24 WO PCT/EP2014/001100 patent/WO2014177258A1/en active Application Filing
- 2014-04-24 PT PT147225510T patent/PT2992142T/en unknown
- 2014-04-24 CA CA2908175A patent/CA2908175A1/en not_active Abandoned
- 2014-04-24 DK DK14722551.0T patent/DK2992142T3/en active
- 2014-04-24 US US14/787,128 patent/US20160069028A1/en not_active Abandoned
- 2014-04-24 SI SI201430318T patent/SI2992142T1/en unknown
- 2014-04-24 JP JP2016510961A patent/JP2016522741A/en active Pending
- 2014-04-24 PL PL14722551T patent/PL2992142T3/en unknown
- 2014-04-24 ES ES14722551.0T patent/ES2637814T3/en active Active
- 2014-04-24 BR BR112015026150-7A patent/BR112015026150B1/en active IP Right Grant
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US9719263B1 (en) * | 2014-09-28 | 2017-08-01 | King Conroy, LLC | System, kit, and method of resurfacing and/or embellishing a countertop |
CN109868682A (en) * | 2019-01-15 | 2019-06-11 | 上海馨星环保科技有限公司 | A kind of technique preparing polylactic acid membrane and its sizer |
US11535045B2 (en) | 2019-03-06 | 2022-12-27 | Ricoh Company, Ltd. | Adjustable web handling mechanism |
CN112619999A (en) * | 2020-12-04 | 2021-04-09 | 王斌 | Gluing device and adhesive tape coating machine |
Also Published As
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JP2016522741A (en) | 2016-08-04 |
HUE033174T2 (en) | 2017-11-28 |
DE102013007602A1 (en) | 2014-11-06 |
BR112015026150B1 (en) | 2022-02-22 |
BR112015026150A2 (en) | 2017-07-25 |
SI2992142T1 (en) | 2017-09-29 |
EP2992142A1 (en) | 2016-03-09 |
PT2992142T (en) | 2017-08-28 |
EP2992142B1 (en) | 2017-05-17 |
CN105189867B (en) | 2018-07-13 |
DK2992142T3 (en) | 2017-08-21 |
CA2908175A1 (en) | 2014-11-06 |
CN105189867A (en) | 2015-12-23 |
PL2992142T3 (en) | 2017-10-31 |
RU2661211C2 (en) | 2018-07-13 |
RU2015146996A (en) | 2017-06-08 |
LT2992142T (en) | 2017-09-11 |
WO2014177258A1 (en) | 2014-11-06 |
ES2637814T3 (en) | 2017-10-17 |
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