US3819460A - Material for cap liner - Google Patents

Material for cap liner Download PDF

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Publication number
US3819460A
US3819460A US16465871A US3819460A US 3819460 A US3819460 A US 3819460A US 16465871 A US16465871 A US 16465871A US 3819460 A US3819460 A US 3819460A
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Prior art keywords
liner
cap
intermediate layer
container
resilient
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Expired - Lifetime
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J Dukess
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TRI-SEAL INTERNATIONAL Inc A CORP OF NY
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J Dukess
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Application filed by J Dukess filed Critical J Dukess
Priority to US16465871 priority Critical patent/US3819460A/en
Priority to US482417A priority patent/US3917100A/en
Application granted granted Critical
Publication of US3819460A publication Critical patent/US3819460A/en
Assigned to ATLANTIC RESEARCH CORPORATION reassignment ATLANTIC RESEARCH CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TRI-SEAL INTERNATIONAL, INC.
Assigned to PRIVATBANKEN A/S, A DANISH BANKING CORPORATION reassignment PRIVATBANKEN A/S, A DANISH BANKING CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TRI-SEAL INTERNATIONAL, INC.
Assigned to TRI-SEAL INTERNATIONAL, INC., A CORP. OF DE reassignment TRI-SEAL INTERNATIONAL, INC., A CORP. OF DE RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: ATLANTIC RESEARCH CORPORATION
Assigned to TRI-SEAL INTERNATIONAL INC., A CORP. OF NY. reassignment TRI-SEAL INTERNATIONAL INC., A CORP. OF NY. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: TRI-SEAL EXTRUSION INC., A CORP. OF NY.
Assigned to TRI-SEAL EXTRUSION, INC., A NEW YORK CORP. reassignment TRI-SEAL EXTRUSION, INC., A NEW YORK CORP. MERGER (SEE DOCUMENT FOR DETAILS). MAY 11 1990, NY. Assignors: TRI-SEAL INTERNATIONAL INC., A CORP. OF DE.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2435/00—Closures, end caps, stoppers
    • B32B2435/02—Closures, end caps, stoppers for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2581/00—Seals; Sealing equipment; Gaskets
    • 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
    • Y10T428/21—Circular sheet or circular blank
    • Y10T428/215—Seal, gasket, or packing
    • 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.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Definitions

  • ABSTRACT [51 Int. Cl B32b 31/20 Material for p liners the form of a Sandwich and 53 Field f Search u 1 1/42 43 211 242 252 so arranged that a compressible intermediate layer of 1 1/253 401; 215 40 43 R relatively great thickness is disposed between two .relatively thin non-resilient layers.
  • the intermediate layer 5 References Cited can be squeezed beyond the periphery of the material for makmg a better Sal.
  • liners are employed to seal the contents of the container preventing leaking between the threaded portions of a container neck and the cap by providing for a positive seal at the mouth of the container.
  • Such previous cap constructions and liners and material used for liners therefor have been a compromise between the requirement that the liner material be stress and crack resistant while also being moisture impervious and impervious to chemicals and acids, yet being bendable and compressible enough to provide for an effective seal.
  • the present invention oversomes the difficulties of the prior art liner material and has all of the advantages of these prior materials without the corresponding disadvantages.
  • a further advantage of the liner according to the present invention is that liners are capable of being stamped out of stock liner material without freezing.
  • One of the features of the invention resides in liner material capable of forming a liner that is freely rotatable within the cap until such time as the mouth of the container is firmly against the liner compressing the liner so that an intermediate layer of the liner is compressed and expands outwardly thereby abutting against the side walls of the cap for making a most effective seal.
  • a further object of the invention resides in the production of a liner material that is capable of being extruded as a multi-layer sandwich.
  • FIG. 1 is an exploded sectional detail view illustrating the cap and liner therefor made from liner material according to the invention
  • FIG. 2 is a sectional detail view showing the cap liner therefor in a stage of being secured on the neck of a container:
  • FIG. 3 is an enlarged vertical detail view illustrating a portion of the cap and liner therefor as firmly secured on a container;
  • FIG. 4 is a partial sectional view of the linermaterial
  • FIG. 5 is a view similar to FIG. 4 but showing the shape of the liner after it has been compressed when the cap has been tightly closed on the container;
  • FIG. 6 is a sectional view of a modification
  • FIG. 7 is a sectional detail view of a modified form of liner material.
  • reference numeral 10 is used to generally designate a conventional container such as a bottle, tube, or can having a neck 12 which is threaded at 14.
  • a cap 16 is employed which includes cylindrical side walls 18 which are internally threaded at 20 and atop 22.
  • a cylindrical groove 24 is formed as the uppermost of the threads 20 and is for the purpose of receiving therein a liner 26.
  • the cap 16 is preferably molded out of any suitable synthetic plastic material and is adapted to be threadedly secured on the neck 12 with the threads 20 engaging the threads 14.
  • the liner 26, see FIG. 4, is from a liner material in accordance with the invention formed of a sandwich of outer layers 28, and 30, and an innerlayer 32, the liner 26 preferably being stamped in the shape of a disc.
  • the outer layers 28 and 30 are formed of a low density polyethylene, such as that sold under the trademark Alathion 20. This material is stress resistant, crack resistant, relatively non-resilient, impervious and is extruded in a very thin layer in the order of approximately 1 /2 one-thousandths of an inch.
  • the intermediate layer 32 is a thermoplastic rubber like material such as butylene in polyethylene known as pliothene, or other resilient material such as ethylene vinyl acetate or the material sold under the trademark Karton, which is'a thermoplastic rubber.
  • this material is resilient though not necessarily as resistant to stress and cracks- /or as impervious to foreign substances as the material of the outer layers 28 and 30.
  • the outer layers 28 and 30 are extruded at a temperature approximately 300 to 400 F while the intermediate layer 32 is extruded at approximately 220 F to 320 F.
  • the various layers are brought together within a combination dye and at about 300 F for bonding within the combination dye.
  • the resultant sheet material has a much increased resistance to distortion or stress, can be stamped without freezing and is impervious to chemicals and acids as well as moisture.
  • the intermediate layer 32 be between 12 to 30 times the normal width of each of the outer layers 28 and 30.
  • FIGS. 6 and 7 there is shown a modified form of the invention wherein a two-ply liner is used.
  • the cap has its top 122 serve as the upper outer liner, there being only an intermediate liner 132 and a lower outer liner 130.
  • outer layers being relatively thin and non-resilient, said intermediate layer being resilient, compressible, and relatively thick, said outer layers being of low density polyethylene, said intermediate layer being of an ethylene vinyl acetate copolymer, said intermediate layer being from 12 to 30 times the thickness of said outer layers.

Abstract

Material for cap liners in the form of a sandwich and so arranged that a compressible intermediate layer of relatively great thickness is disposed between two relatively thin nonresilient layers. The intermediate layer can be squeezed beyond the periphery of the material for making a better seal.

Description

United States Patent 1191 Dukess 1 June 25, 1974 MATERlAL FOR CAP LINER 2,238,681 4/1941 Dorough 1111/42 11 2,601,318 6 1952 N 'k'.' [76] Inventorl JsePh Dukess 931 Greace" P 9" 2,620,939 12/1952 w e isgzrber 161/42 x Mamaroneck, 3,183,144 5/1965 Caviglia.....-.
21 3,493,453 Ceresa [21] Appl. No.: 164,658
Related Application Data Primary Examinerl\/Iari0n E. McCamish [60] Continuatioh-iri-part and Di isien of ser. 1911955,- Gddfarb 155, Sept. 3, 1969, Pat. No. 3,595,419.
[52] US. Cl 161/42, 161/43, 161/211,
161/242, 161/252, 161/253, 161/401, [57] ABSTRACT [51 Int. Cl B32b 31/20 Material for p liners the form of a Sandwich and 53 Field f Search u 1 1/42 43 211 242 252 so arranged that a compressible intermediate layer of 1 1/253 401; 215 40 43 R relatively great thickness is disposed between two .relatively thin non-resilient layers. The intermediate layer 5 References Cited can be squeezed beyond the periphery of the material for makmg a better Sal.
1,431,871 10/1922 Burnet 161/42X 1 (1131M Drawing Figures PAIENTEDJHNZBIBY! 3.819.460
' INVENTOR. flag/2v ATTORNEY MATERIAL FOR CAP LINER This invention relates to material for cap liners and is a continuation in part and is a division of application Ser. No. 855,155, filed Sept. 3, 1969, now US. Pat. No. 3,595,419 for Closure and Seal.
Various types of cap constructions utilizing liners have been devised in the past. These liners are employed to seal the contents of the container preventing leaking between the threaded portions of a container neck and the cap by providing for a positive seal at the mouth of the container. Such previous cap constructions and liners and material used for liners therefor have been a compromise between the requirement that the liner material be stress and crack resistant while also being moisture impervious and impervious to chemicals and acids, yet being bendable and compressible enough to provide for an effective seal. The present invention oversomes the difficulties of the prior art liner material and has all of the advantages of these prior materials without the corresponding disadvantages. A further advantage of the liner according to the present invention is that liners are capable of being stamped out of stock liner material without freezing.
One of the features of the invention resides in liner material capable of forming a liner that is freely rotatable within the cap until such time as the mouth of the container is firmly against the liner compressing the liner so that an intermediate layer of the liner is compressed and expands outwardly thereby abutting against the side walls of the cap for making a most effective seal.
A further object of the invention resides in the production of a liner material that is capable of being extruded as a multi-layer sandwich.
Still further, objects and features of this invention resides in the provision of a cap and liner therefor that is capable of being extruded by conventional machinery and which can be conveniently stamped to shape with out requiring freezing thereby permitting manufacture at a relatively low cost, and which is highly effective in use,
These, together with the various ancillary objects and features of this invention, which will become apparent as the following description proceeds, are attained by this liner material, a preferred embodiment of which is illustrated in the accompanying drawing, by way of'example only, wherein:
FIG. 1 is an exploded sectional detail view illustrating the cap and liner therefor made from liner material according to the invention;
FIG. 2 is a sectional detail view showing the cap liner therefor in a stage of being secured on the neck of a container:
FIG. 3 is an enlarged vertical detail view illustrating a portion of the cap and liner therefor as firmly secured on a container;
FIG. 4 is a partial sectional view of the linermaterial;
FIG. 5 is a view similar to FIG. 4 but showing the shape of the liner after it has been compressed when the cap has been tightly closed on the container;
FIG. 6 is a sectional view of a modification; and
FIG. 7 is a sectional detail view of a modified form of liner material.
With continuing reference to the accompanying drawing, wherein like reference numerals designate similar parts throughout the various views, reference numeral 10 is used to generally designate a conventional container such as a bottle, tube, or can having a neck 12 which is threaded at 14. In order to provide a closure for the container 10 a cap 16 is employed which includes cylindrical side walls 18 which are internally threaded at 20 and atop 22. A cylindrical groove 24 is formed as the uppermost of the threads 20 and is for the purpose of receiving therein a liner 26. The cap 16 is preferably molded out of any suitable synthetic plastic material and is adapted to be threadedly secured on the neck 12 with the threads 20 engaging the threads 14.
The liner 26, see FIG. 4, is from a liner material in accordance with the invention formed of a sandwich of outer layers 28, and 30, and an innerlayer 32, the liner 26 preferably being stamped in the shape of a disc. The outer layers 28 and 30 are formed of a low density polyethylene, such as that sold under the trademark Alathion 20. This material is stress resistant, crack resistant, relatively non-resilient, impervious and is extruded in a very thin layer in the order of approximately 1 /2 one-thousandths of an inch. The intermediate layer 32 is a thermoplastic rubber like material such as butylene in polyethylene known as pliothene, or other resilient material such as ethylene vinyl acetate or the material sold under the trademark Karton, which is'a thermoplastic rubber. Particularly, this material is resilient though not necessarily as resistant to stress and cracks- /or as impervious to foreign substances as the material of the outer layers 28 and 30. When the sandwich is manufactured by way of simultaneous multiple extrusion, the outer layers 28 and 30 are extruded at a temperature approximately 300 to 400 F while the intermediate layer 32 is extruded at approximately 220 F to 320 F. The various layers are brought together within a combination dye and at about 300 F for bonding within the combination dye. The resultant sheet material has a much increased resistance to distortion or stress, can be stamped without freezing and is impervious to chemicals and acids as well as moisture.
When the disc 26 is inserted in the groove 24 in a normal state it will freely rotate therein permitting for effective setting of the disc 26 within the groove 24 and effective engagement of the mouth 15 of the container 10 against the under surface 34 of the layer 30. Continued closure of the cap 16 will cause the resilient intermediate layer 32 to be compressed exuding a tongue 36 beyond the peripheral edges of the outer layers 28 and 30 and as shown in FIG. 3 against the inner wall of the groove 24 frictionally sealing the liner 26 with the cap 16. Thus, there is achieved an inner effective seal and closure for the contents of the container 10 than heretofore possible to achieve while retaining all of the desirable features of the non-resilient low density polyethylene which is used for the outerlayers, and which are relatively thin so as to permit for an effectively resilient liner.
It has been found that for the liner material according to the invention it is desirable that the intermediate layer 32 be between 12 to 30 times the normal width of each of the outer layers 28 and 30.
In FIGS. 6 and 7 there is shown a modified form of the invention wherein a two-ply liner is used. The cap has its top 122 serve as the upper outer liner, there being only an intermediate liner 132 and a lower outer liner 130.
outer layers being relatively thin and non-resilient, said intermediate layer being resilient, compressible, and relatively thick, said outer layers being of low density polyethylene, said intermediate layer being of an ethylene vinyl acetate copolymer, said intermediate layer being from 12 to 30 times the thickness of said outer layers.
US16465871 1969-09-03 1971-07-21 Material for cap liner Expired - Lifetime US3819460A (en)

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Application Number Priority Date Filing Date Title
US16465871 US3819460A (en) 1969-09-03 1971-07-21 Material for cap liner
US482417A US3917100A (en) 1971-07-21 1974-06-24 Closure with rotatable layered liner

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US85515569A 1969-09-03 1969-09-03
US16465871 US3819460A (en) 1969-09-03 1971-07-21 Material for cap liner

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457440A (en) * 1982-07-06 1984-07-03 Joseph Dukess Cap liner having an intermediate layer of discrete strips
US4558794A (en) * 1983-10-19 1985-12-17 Tbl Development Corporation Container with vessel for retention of telltales
US4789074A (en) * 1987-07-10 1988-12-06 Minnesota Mining And Manufacturing Company Cap liner
US4818577A (en) * 1987-08-20 1989-04-04 Minnesota Mining And Manufacturing Company Synthetic liner capable of resisting chemical attack and high temperature
US4858758A (en) * 1986-08-04 1989-08-22 The Clorox Company Oxidant bleach, container and fragrancing means therefor
WO1990014945A1 (en) * 1989-06-01 1990-12-13 The Dow Chemical Company Coextruded multilayer foamed film for plastic container closures and process for manufacture
US5477972A (en) * 1994-06-02 1995-12-26 Lester; William M. Tamper evident closure device for bottles and the like
US5579944A (en) * 1990-07-18 1996-12-03 Precision Valve Corporation Multi-layer gasket for an aerosol container
US5598940A (en) * 1991-09-06 1997-02-04 Tri-Seal International, Inc. Cap liner for hot filled container and method of making
US6602309B2 (en) * 2000-05-26 2003-08-05 Performance Systematix, Inc. Vented, grooved back, heat induction foil
US20080197099A1 (en) * 2007-02-20 2008-08-21 Adam Pawlick Non-removable closure
US20090317578A1 (en) * 2008-06-20 2009-12-24 Neil John Rogers Foamed film package
US20100043359A1 (en) * 2006-11-07 2010-02-25 Skiffington Richard T Resealable Moisture Tight Containers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1431871A (en) * 1922-01-20 1922-10-10 Burnet Edward Bottle and like closing device
US2238681A (en) * 1939-03-16 1941-04-15 Du Pont Container closure
US2601318A (en) * 1946-06-11 1952-06-24 Armstrong Cork Co Method of laminating articles
US2620939A (en) * 1948-09-09 1952-12-09 Johnson & Johnson Sealing closure for containers
US3183144A (en) * 1961-05-03 1965-05-11 Hoosier Crown Corp Method of making polyethylene seals
US3493453A (en) * 1965-09-15 1970-02-03 Grace W R & Co Process for making lined metallic container closures

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1431871A (en) * 1922-01-20 1922-10-10 Burnet Edward Bottle and like closing device
US2238681A (en) * 1939-03-16 1941-04-15 Du Pont Container closure
US2601318A (en) * 1946-06-11 1952-06-24 Armstrong Cork Co Method of laminating articles
US2620939A (en) * 1948-09-09 1952-12-09 Johnson & Johnson Sealing closure for containers
US3183144A (en) * 1961-05-03 1965-05-11 Hoosier Crown Corp Method of making polyethylene seals
US3493453A (en) * 1965-09-15 1970-02-03 Grace W R & Co Process for making lined metallic container closures

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457440A (en) * 1982-07-06 1984-07-03 Joseph Dukess Cap liner having an intermediate layer of discrete strips
US4558794A (en) * 1983-10-19 1985-12-17 Tbl Development Corporation Container with vessel for retention of telltales
US4858758A (en) * 1986-08-04 1989-08-22 The Clorox Company Oxidant bleach, container and fragrancing means therefor
US4789074A (en) * 1987-07-10 1988-12-06 Minnesota Mining And Manufacturing Company Cap liner
US4818577A (en) * 1987-08-20 1989-04-04 Minnesota Mining And Manufacturing Company Synthetic liner capable of resisting chemical attack and high temperature
WO1990014945A1 (en) * 1989-06-01 1990-12-13 The Dow Chemical Company Coextruded multilayer foamed film for plastic container closures and process for manufacture
US5000992A (en) * 1989-06-01 1991-03-19 The Dow Chemical Company Coextruded multilayer foamed film for plastic container closures and process for manufacture
US5579944A (en) * 1990-07-18 1996-12-03 Precision Valve Corporation Multi-layer gasket for an aerosol container
US5601200A (en) * 1991-09-06 1997-02-11 Tri-Seal International, Inc. Cap liner for hot filled container and method
US5598940A (en) * 1991-09-06 1997-02-04 Tri-Seal International, Inc. Cap liner for hot filled container and method of making
US5615789A (en) * 1991-09-06 1997-04-01 Tri-Seal International, Inc. Cap liner for hot filled container and method of making
US5477972A (en) * 1994-06-02 1995-12-26 Lester; William M. Tamper evident closure device for bottles and the like
US6602309B2 (en) * 2000-05-26 2003-08-05 Performance Systematix, Inc. Vented, grooved back, heat induction foil
US20100043359A1 (en) * 2006-11-07 2010-02-25 Skiffington Richard T Resealable Moisture Tight Containers
US9493288B2 (en) * 2006-11-07 2016-11-15 Charm Sciences, Inc. Resealable moisture tight containers
US20080197099A1 (en) * 2007-02-20 2008-08-21 Adam Pawlick Non-removable closure
US8113367B2 (en) * 2007-02-20 2012-02-14 Con Agra Foods RDM, Inc. Non-removable closure having a dispensing aperture extending therethrough
US20090317578A1 (en) * 2008-06-20 2009-12-24 Neil John Rogers Foamed film package
US20090317605A1 (en) * 2008-06-20 2009-12-24 Neil John Rogers Printed foamed film package
US8173233B2 (en) 2008-06-20 2012-05-08 The Procter & Gamble Company Foamed film package

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