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Publication numberUS3917100 A
Publication typeGrant
Publication date4 Nov 1975
Filing date24 Jun 1974
Priority date21 Jul 1971
Publication numberUS 3917100 A, US 3917100A, US-A-3917100, US3917100 A, US3917100A
InventorsDukess Joseph
Original AssigneeDukess Joseph
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Closure with rotatable layered liner
US 3917100 A
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 non-resilient layers. The intermediate layer can be squeezed beyond the periphery of the material for making a better seal.
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Description  (OCR text may contain errors)

Umted States Patent 11 1 1111 3,917,100

Dukess Nov. 4, 1975 1 CLOSURE WITH ROTATABLE LAYERED 2,039,757 5/1936 Von Till 215/350 x LINER 2,188,942 2/1940 Eisen 215/347 2,626,073 l/l953 Miller Zl5/347 X Inventor: J p Dukess, 931 Greacen Pomt, 3,202,308 8/1965 Botkin 215/347 x Mamaroneck, N.Y. 10543 3,463,339 8/1969 MCGuCkin 215/275 X Filed: J 1974 3,471,051 10/1969 Cistone 215/329 X [21] Appl' 482,417 Primary Examiner-Donald F. Norton Related s, A li ti Data Attorney, Agent, or Firm-Kenneth S. Goldfarb [62] Division of Ser. No. 164,658, July 21, 1971, Pat. No.

57 ABSTRACT [52] US. Cl. 215/329; 215/347; 215/350 M t i l f ap liners in the form of a sandwich and lift. GL2 so arranged a compressible intermediate layer of Field 0f Search 3 347, relatively great thickness is disposed between two rela- 220/304 tively thin non-resilient layers. The intermediate layer can be squeezed beyond the periphery of the material [56] References Cited for making a better seal.

UNITED STATES PATENTS v 1,431,871 10/1922 Burnet 215/347 x 5 i 7 Draw; F'gures U.S. Patent Nov. 4, 1975 3,917,100

. 1 FIG. 7

CLOSURE WITH ROTATABLE LAYERED LINER REFERENCE-To RELATED APPLICATION This application is a division of application Serf o. l64,658. filed July 2.l 19 71 for MATERIAL FOR CAP liner, now IJ.S. Pat. .No. 3,819,460. t

DESCRIPTION 'OF THE PRIOR ART g I Various types of cap..constructid ns 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 atthe mouth of the container.Such;previous capconstructions and.line rs-an'dmaterial us,ed,for liners therefor have been a compromise b etween 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 :comprssible enough to provide for an effective seal. The present invention overcomes the difficulties of the prior art liner materialandlhasall 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 SUMMARY OF THE INVENTION 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 without 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:

BRIEF DESCRIPTION OF THE DRAWING 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 liner material;

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;

FlG. 6 is a-sectional view of a modification; and FIG. 7 is a sectional detail view of a modified form ofliner material.

DETAILED DESCRIPTION 'oF- THE PREFERRED I EMBODIMENT With continuing-reference to the accompanying drawing, wherein 'like reference numerals designate neck IZ'wliichis threaded at 14. In order to provide'a I closure. for the container l0 a cap 16 is employed which includes cylindrical side walls 18 which are inter- 24 is'formed as 'theiippermo'st of the threads 20 and is for the purpose of receiving therein a liner 26. The, cap

16 isl'pre'ferably molded out of any suitable synthetic plastie materialand 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 ofa low density polyethylene, such as that sold inder 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% onethousandths 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 400F while the intermediate layer 32 is extruded at approximately 220 to 320F. The various layers are brought together within a combination dye and at about 300F 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 polye thylene which is used for the outer layers, and which are relatively thin so as to permit for an effectively resilient liner.

lt 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.

In connection with the two ply liner, it has been found that the intermediate layer may be made of a foamed polyethylene and may be from 12 to 40 times the thickness of the-outer layer. The use of foamed polyethylene results in a saving of material. The foamed polyethylene may be bonded by any suitable adhesive to the undersurface of the top of the cap as desired.

A latitude of modification, substitution and change is intended in the foregoing disclosure, and in some instances some features of the invention will be employed without a corresponding use of other features.

I claim:

1. A closure device comprising a cap having a top and an internally threaded cylindrical side wall, said side wall having a groove therein adjacent said top, a liner normally rotatably disposed in said groove and including a disc having one outer layer and an intermediate layer and bonded thereto, said outer layer being relatively thin and non-resilient, said intermediate layer being resilient and being compressible to form a lip extending beyond the periphery of said outer layer and into engagement with said side wall in said groove, said intermediate layer being relatively thick.

2. A closure device according to claim 1, wherein said intermediate layer is from 12 to 40 times the thickness of said outer layer.

3. A closure device according to claim 2, wherein said outer layer is of a low density polyethylene, said intermediate layer being engageable with said top and being of a thermoplastic rubberlike material.

4. A closure device according to claim 3, wherein said intermediate layer is of ethylene vinyl acetate copolymer.

5. A closure device according to claim 2, wherein said intermediate layer is of foamed polyethylene.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1431871 *6 Feb 192210 Oct 1922Burnet EdwardBottle and like closing device
US2039757 *12 Dec 19305 May 1936Anchor Cap & Closure CorpMolded cap
US2188942 *25 Jan 19386 Feb 1940Gutmann & Co FerdContainer closure
US2626073 *30 Jun 194820 Jan 1953Armstrong Cork CoVenting closure and liner therefor
US3202308 *28 May 196224 Aug 1965Botkin Albert LClosure liners
US3463339 *25 Apr 196626 Aug 1969Hamilton CoSealing element
US3471051 *26 Jun 19687 Oct 1969Armstrong Cork CoVented closure
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4085861 *31 Dec 197525 Apr 1978Ruff Stanley LInsulating drink-through closure lids for potable open-top containers
US4381840 *24 Aug 19813 May 1983Ethyl Products CompanyThreaded closure with free-floating liner
US4457440 *6 Jul 19823 Jul 1984Joseph DukessCap liner having an intermediate layer of discrete strips
US4484916 *20 Jan 198227 Nov 1984American Hospital Supply CorporationMedical solution container and port construction
US4558794 *19 Oct 198317 Dec 1985Tbl Development CorporationContainer with vessel for retention of telltales
US4651886 *14 Jul 198624 Mar 1987Gene StullScrew cap with sealing liner
US4674642 *19 Aug 198523 Jun 1987Tbl Development CorporationPressure-indicative container closure
US4717034 *6 Jul 19825 Jan 1988Owens-Illinois Closure Inc.One-piece thermoplastic closure having press-on screw off structure including spaced vertical ribs in the skirt of the closure
US4739891 *10 Jul 198726 Apr 1988Velo Bind, Inc.Plastic bottle cap having foil neck seal
US4793504 *12 Sep 198327 Dec 1988Tbl Development CorporationClosure with containment of telltale means
US4818577 *20 Aug 19874 Apr 1989Minnesota Mining And Manufacturing CompanySynthetic liner capable of resisting chemical attack and high temperature
US4852754 *26 Feb 19881 Aug 1989W. R. Grace & Co.Hot melt gaskets and method of forming same
US4988467 *30 May 198929 Jan 1991W. R. Grace & Co.-Conn.Method of forming hot melt gaskets
US5176271 *26 May 19925 Jan 1993Groupe Lavo Inc.Bottle assembly with improved seal
US5411157 *2 Oct 19922 May 1995Beeson And Sons LimitedContainer and the manufacture thereof
US5477972 *2 Jun 199426 Dec 1995Lester; William M.Tamper evident closure device for bottles and the like
US5579944 *17 Nov 19943 Dec 1996Precision Valve CorporationMulti-layer gasket for an aerosol container
US5598940 *16 May 19954 Feb 1997Tri-Seal International, Inc.Cap liner for hot filled container and method of making
US5601200 *6 Sep 199111 Feb 1997Tri-Seal International, Inc.Cap liner for hot filled container and method
US5615789 *16 Mar 19941 Apr 1997Tri-Seal International, Inc.Cap liner for hot filled container and method of making
US743820413 Oct 200521 Oct 2008S. C. Johnson & Son, Inc.Apparatus for dispensing a granular product from a container
US764490231 May 200312 Jan 2010Rexam Medical Packaging Inc.Apparatus for producing a retort thermal processed container with a peelable seal
US776617829 Jan 20073 Aug 2010Rexam Medical Packaging Inc.Closure for a retort processed container having a peelable seal
US7780024 *25 Jan 200624 Aug 2010Rexam Closures And Containers Inc.Self peel flick-it seal for an opening in a container neck
US779835928 Jul 200521 Sep 2010Momar Industries LLCHeat-sealed, peelable lidding membrane for retort packaging
US810027719 Dec 200624 Jan 2012Rexam Closures And Containers Inc.Peelable seal for an opening in a container neck
US8113367 *20 Feb 200714 Feb 2012Con Agra Foods RDM, Inc.Non-removable closure having a dispensing aperture extending therethrough
US82512362 Nov 200728 Aug 2012Berry Plastics CorporationClosure with lifting mechanism
US865083919 May 200818 Feb 2014Berry Plastics CorporationClosure with lifting mechanism
US9493288 *7 Nov 200715 Nov 2016Charm Sciences, Inc.Resealable moisture tight containers
US20050211657 *29 Mar 200529 Sep 2005Guillaume MalletDevice for closing a container neck, container equipped with such a device and process for manufacturing such a device
US20080197099 *20 Feb 200721 Aug 2008Adam PawlickNon-removable closure
US20100043359 *7 Nov 200725 Feb 2010Skiffington Richard TResealable Moisture Tight Containers
EP1580136A1 *25 Mar 200528 Sep 2005Tetra Laval Holdings & Finance S.A.Plugging device of a collar of a container, container equipped with such a device and manufacturing process of such a device
Classifications
U.S. Classification215/329, 215/350, 215/347
International ClassificationB32B27/00, B65D41/04
Cooperative ClassificationB32B27/00, B65D41/045
European ClassificationB32B27/00, B65D41/04D2
Legal Events
DateCodeEventDescription
18 Jun 1990ASAssignment
Owner name: TRI-SEAL EXTRUSION, INC., A NEW YORK CORP.
Free format text: MERGER;ASSIGNOR:TRI-SEAL INTERNATIONAL INC., A CORP. OF DE.;REEL/FRAME:005432/0237
Owner name: TRI-SEAL INTERNATIONAL INC., A CORP. OF NY.
Free format text: CHANGE OF NAME;ASSIGNOR:TRI-SEAL EXTRUSION INC., A CORP. OF NY.;REEL/FRAME:005432/0244
Effective date: 19891221
18 Jun 1990AS01Change of name
Owner name: TRI-SEAL EXTRUSION INC., A CORP. OF NY.
Owner name: TRI-SEAL INTERNATIONAL INC., A CORP. OF NY.
Effective date: 19891221
18 Jun 1990AS03Merger
Owner name: TRI-SEAL EXTRUSION, INC., A NEW YORK CORP.
Effective date: 19891221
Owner name: TRI-SEAL INTERNATIONAL INC., A CORP. OF DE.
5 Jun 1990AS17Release by secured party
Owner name: ATLANTIC RESEARCH CORPORATION
Owner name: TRI-SEAL INTERNATIONAL, INC., 217 BRADLEY HILL ROA
Effective date: 19900509
5 Jun 1990ASAssignment
Owner name: TRI-SEAL INTERNATIONAL, INC., A CORP. OF DE, NEW Y
Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:ATLANTIC RESEARCH CORPORATION;REEL/FRAME:005321/0319
Effective date: 19900509
28 Feb 1985AS06Security interest
Owner name: PRIVATBANKEN A/S, 450 PARK AVENUE, NEW YORK, NY 10
Effective date: 19850111
Owner name: TRI-SEAL INTERNATIONAL, INC.
28 Feb 1985ASAssignment
Owner name: PRIVATBANKEN A/S, 450 PARK AVENUE, NEW YORK, NY 1
Free format text: SECURITY INTEREST;ASSIGNOR:TRI-SEAL INTERNATIONAL, INC.;REEL/FRAME:004367/0398
Effective date: 19850111
23 Jan 1985ASAssignment
Owner name: ATLANTIC RESEARCH CORPORATION, 5390 CHEROKEE AVENU
Free format text: SECURITY INTEREST;ASSIGNOR:TRI-SEAL INTERNATIONAL, INC.;REEL/FRAME:004357/0858
Effective date: 19850102
23 Jan 1985AS06Security interest
Owner name: ATLANTIC RESEARCH CORPORATION, 5390 CHEROKEE AVENU
Effective date: 19850102
Owner name: TRI-SEAL INTERNATIONAL, INC.