Patent US3595419A successfully refreshed from Google Patents.
US3595419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure and seal
Assignee: TRI-SEAL EXTRUSION Inc A NEW YORK CORP
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Filing: 1969-09-03
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Granted: 1971-07-27
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Expires: 1989-09-03
Abstract
Abstract A cap and liner therefor, the cap having a groove at the top thereof for rotatably receiving the liner. The liner is formed of a sandwich and so arranged that a compressible intermediate layer can be squeezed beyond the normal periphery of the liner to engage the cap and make a better seal.
Inventors
- 👤 Joseph Dukess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:30
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/045; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/107; Y10T156/1072
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
97 words
A closure device comprising a cap having a top and an internally threaded cylindrical sidewall, said sidewall having a groove therein adjacent said top, a liner normally rotatably disposed in said groove and including a disc having a pair of outer layers and an intermediate layer sandwiched between said outer layers and bonded thereto, said outer layers being relatively thin and nonresilient, said intermediate layer being resilient and being compressible to form a lip extending beyond the periphery of said outer layers and into engagement with said sidewall in said groove, said intermediate layer being relatively thick.
Claim 2
Dependent Claim
97 words
A closure device comprising a cap having a top and an internally threaded cylindrical sidewall, said sidewall having a groove therein adjacent said top, a liner normally rotatably disposed in said groove and including a disc having a pair of outer layers and an intermediate layer sandwiched between said outer layers and bonded thereto, said outer layers being relatively thin and nonresilient, said intermediate layer being resilient and being compressible to form a lip extending beyond the periphery of said outer layers and into engagement with said sidewall in said groove, said intermediate layer being relatively thick.
Claim 3
Dependent Claim
23 words
A closure device according to claim 1, wherein said intermediate layer is from 12 to 30 times the thickness of said outer layers.
References Cited (Backward Citations)
US2039757A
Cited
US3463339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |