US4746026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper-proof closure
Assignee: Vereinigte Aluminium Werke AG
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Filing: 1987-04-22
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Granted: 1988-05-24
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Expires: 2007-04-22
Abstract
Abstract A closure for sealing threaded bottles, jars or similar containers, comprises a metallic cap and a plastic collar having an upper attachment part adapted to releasably engage said cap. The collar further includes an interior security ring spaced from the collar and attached thereto by means of fracturable integrally formed links and at least one non-fracturable connecting web. A plurality of claws adapted to engage the undersurface of the threaded portion of the container extends from the inner surface of the security ring.
Inventors
- 👤 Heinz Leonhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:10
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/3442; B65D41/3457; B65D2401/00; B65D2401/15; B65D2401/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
87 words
A closure for sealing threaded bottles, jars or similar containers, comprising: a metallic cap; a plastic collar having an upper attachment part adapted to releasably engage said cap, said collar further including an interior security ring spaced from said collar and attached thereto by means of a plurality of fracturable integrally formed links and at least one non-fracturable connecting web, said security ring further comprising a plurality of claws adapted to engage the undersurface of a rim beneath threaded portion of said bottles, jars or similar containers.
Claim 2
Dependent Claim
87 words
A closure for sealing threaded bottles, jars or similar containers, comprising: a metallic cap; a plastic collar having an upper attachment part adapted to releasably engage said cap, said collar further including an interior security ring spaced from said collar and attached thereto by means of a plurality of fracturable integrally formed links and at least one non-fracturable connecting web, said security ring further comprising a plurality of claws adapted to engage the undersurface of a rim beneath threaded portion of said bottles, jars or similar containers.
Claim 3
Dependent Claim
16 words
A closure according to claim 1, wherein said fracturable links are positioned between said safety claws.
Claim 4
Dependent Claim
24 words
A closure according to claim 2, wherein the means for securing the cap and collar comprise mating serrated surfaces on said cap and collar.
Claim 5
Dependent Claim
24 words
A closure according to claim 1, wherein there are between six and eight safety claws symmetrically distributed over the circumference of the security ring.
Claim 6
Dependent Claim
95 words
A closure for sealing threaded bottles, jars or similar containers, comprising: a metallic cap; a plastic collar having an upper attachment part adapted to releasably engage said cap, said collar further including an interior security ring including at least two sections spaced from said collar, with each section attached thereto by means of a plurality of fracturable integrally formed links and at least one non-fracturable connecting web, said security ring further comprising a plurality of claws adapted to engage the undersurface of a rim beneath the threaded portion of said bottles, jars or similar containers.
Claim 7
Dependent Claim
95 words
A closure for sealing threaded bottles, jars or similar containers, comprising: a metallic cap; a plastic collar having an upper attachment part adapted to releasably engage said cap, said collar further including an interior security ring including at least two sections spaced from said collar, with each section attached thereto by means of a plurality of fracturable integrally formed links and at least one non-fracturable connecting web, said security ring further comprising a plurality of claws adapted to engage the undersurface of a rim beneath the threaded portion of said bottles, jars or similar containers.
Claim 8
Dependent Claim
16 words
A closure according to claim 5 wherein said fracturable links are positioned between said safety claws.
Claim 9
Dependent Claim
24 words
A closure according to claim 6, wherein the means for securing the cap and collar comprise mating serrated surfaces on said cap and collar.
Claim 10
Dependent Claim
24 words
A closure according to claim 5, wherein there are between six and eight safety claws symmetrically distributed over the circumference of the security ring.
References Cited (Backward Citations)
US4511053A
Cited
US4610367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-24 | 1991-11-23 | 1992-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-24 | 1995-11-23 | 1996-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-24 | 1999-11-23 | 2000-05-24 | $7700.00 | Window Closed / Lapsed |