US4930646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capliner/innerseal composite utilizing cold seal adhesive
Assignee: Unipac Corp
•
Filing: 1989-02-01
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Granted: 1990-06-05
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Expires: 2009-02-01
Abstract
Abstract Composite capliner/innerseal for containers. The composite capliner/innerseal comprises, from top to bottom: (a) a capliner, (b) a layer of release film, (c) a first layer of adhesive, (d) an innerseal, and (e) a second layer of adhesive. The release film acts to separate the capliner from the innerseal upon application of a sufficient amount of force. The first layer of adhesive bonds the capliner/release film assembly to the innerseal; the second layer of adhesive bonds the capliner/innerseal composite to the mouth of the container.
Inventors
- 👤 Jeffrey O. Emslander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:51
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/045; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
103 words
Capliner/innerseal composite comprising a planar capliner having sufficient resilience such that when subjected to shear force, out-of-plane deformation will occur to convert some of said shear force to peel force, a layer of release film applied to one major surface of said capliner, a first layer of adhesive which bonds the release film to an innerseal, and a second layer of adhesive which is capable of bonding the innerseal to the mouth of a container, the adhesion between said layer of release film and said capliner being less than the adhesion between said layer of release film and said first layer of adhesive.
Claim 2
Dependent Claim
103 words
Capliner/innerseal composite comprising a planar capliner having sufficient resilience such that when subjected to shear force, out-of-plane deformation will occur to convert some of said shear force to peel force, a layer of release film applied to one major surface of said capliner, a first layer of adhesive which bonds the release film to an innerseal, and a second layer of adhesive which is capable of bonding the innerseal to the mouth of a container, the adhesion between said layer of release film and said capliner being less than the adhesion between said layer of release film and said first layer of adhesive.
Claim 3
Dependent Claim
15 words
The capliner/innerseal composite of claim 1, wherein said capliner comprises a layer of polymeric foam.
Claim 4
Dependent Claim
15 words
The capliner/innerseal composite of claim 1, wherein said capliner comprises a layer of polyethylene film.
Claim 5
Dependent Claim
24 words
The capliner/innerseal composite of claim 1, wherein the value of peel of said release film ranges from about 1/2 oz/in. to about 10 oz/in.
Claim 6
Dependent Claim
16 words
The capliner/innerseal composite of claim 1, wherein said first layer of adhesive is a pressure-sensitive adhesive.
Claim 7
Dependent Claim
16 words
The capliner/innerseal composite of claim 1, wherein said second layer of adhesive is a torque-activatable adhesive.
Claim 8
Dependent Claim
16 words
The capliner/innerseal composite of claim 1, wherein said second layer of adhesive is a pressure-sensitive adhesive.
Claim 9
Dependent Claim
8 words
Container comprising the capliner/innerseal composite of claim 1.
Claim 10
Dependent Claim
9 words
Container cap comprising the capliner/innerseal composite of claim 1.
Claim 11
Dependent Claim
103 words
Capliner/innerseal composite comprising a planar capliner having sufficient resilience such that when subjected to lift force, out-of-plan deformation will occur to convert some of said lift force to peel force, a layer of release film applied to one major surface of said capliner, a first layer of adhesive which bonds the release film to an innerseal, and a second layer of adhesive which is capable of bonding the innerseal to the mouth of a container, the adhesion between said layer of release film and said capliner being less than the adhesion between said layer of release film and said first layer of adhesive.
Claim 12
Dependent Claim
103 words
Capliner/innerseal composite comprising a planar capliner having sufficient resilience such that when subjected to lift force, out-of-plan deformation will occur to convert some of said lift force to peel force, a layer of release film applied to one major surface of said capliner, a first layer of adhesive which bonds the release film to an innerseal, and a second layer of adhesive which is capable of bonding the innerseal to the mouth of a container, the adhesion between said layer of release film and said capliner being less than the adhesion between said layer of release film and said first layer of adhesive.
Claim 13
Dependent Claim
15 words
The capliner/innerseal composite of claim 10 wherein said capliner comprises a layer of polymeric foam.
Claim 14
Dependent Claim
15 words
The capliner/innerseal composite of claim 10, wherein said capliner comprises a layer of polyethylene film.
Claim 15
Dependent Claim
24 words
The capliner/innerseal composite of claim 10, wherein the value of peel of said release film ranges from about 1/2 oz/in. to about 10 oz/in.
Claim 16
Dependent Claim
16 words
The capliner/innerseal composite of claim 10, wherein said first layer of adhesive is a pressure-sensitive adhesive.
Claim 17
Dependent Claim
16 words
The capliner/innerseal composite of claim 10, wherein said second layer of adhesive is a torque-activatable adhesive.
Claim 18
Dependent Claim
16 words
The capliner/innerseal composite of claim 10, wherein said second layer of adhesive is a pressure-sensitive adhesive.
Claim 19
Dependent Claim
8 words
Container comprising the capliner/innerseal composite of claim 11.
Claim 20
Dependent Claim
9 words
Container cap comprising the capliner/innerseal composite of claim 10.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-06-04 | 1993-12-04 | 1994-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-04 | 1997-12-04 | 1998-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-04 | 2001-12-04 | 2002-06-05 | $7700.00 | Window Closed / Lapsed |