US4331249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic closure member with flowed-in liner
Assignee: Continental Group Inc
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Filing: 1981-03-10
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Granted: 1982-05-25
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Expires: 2001-03-10
Abstract
Abstract This relates to a closure member for containers wherein products are packaged under pressurized conditions. The closure member has a flowed-in liner, and in order to prevent relative movement between the liner and the closure member of the closure assembly, there is provided an interlock between the base of the liner and the base of a channel in which the liner is formed. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.
Inventors
- 👤 John N. Banich, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:53
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/0442
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
108 words
A closure assembly comprising a plastic closure member and a liner seated in said closure member, said closure member having an internal annular channel, said liner being separately formed and seated in said channel, and there being a mechanical interlock between said liner and said closure member other than said liner being seated in said channel, said closure member including an end panel of which a portion defines a base of said channel, and said mechanical interlock including pocket means formed in said base and projecting portions of said liner seated in said pocket means, said pocket means being in the form of a grid of crossing channels.
Claim 2
Dependent Claim
108 words
A closure assembly comprising a plastic closure member and a liner seated in said closure member, said closure member having an internal annular channel, said liner being separately formed and seated in said channel, and there being a mechanical interlock between said liner and said closure member other than said liner being seated in said channel, said closure member including an end panel of which a portion defines a base of said channel, and said mechanical interlock including pocket means formed in said base and projecting portions of said liner seated in said pocket means, said pocket means being in the form of a grid of crossing channels.
Claim 3
Dependent Claim
21 words
A closure assembly according to claim 1 wherein said crossing channels are straight line channels defining a plurality of projecting islands.
Claim 4
Dependent Claim
23 words
A closure assembly according to claim 1 wherein said crossing channels are straight line dovetailed cross-sectional channels defining a plurality of projecting islands.
Claim 5
Dependent Claim
117 words
A closure assembly comprising a plastic closure member and a liner seated in said closure member, said closure member having an internal annular channel, said liner being separately formed and seated in said channel, and there being a mechanical interlock between said liner and said closure member other than said liner being seated in said channel, said closure member including an end panel of which a portion defines a base of said channel, and said mechanical interlock including pocket means formed in said base and projecting portions of said liner seated in said pocket means, said pocket means being in the form of a plurality of individual bores arranged in a plurality of circumferentially spaced radiating rows.
Claim 6
Dependent Claim
117 words
A closure assembly comprising a plastic closure member and a liner seated in said closure member, said closure member having an internal annular channel, said liner being separately formed and seated in said channel, and there being a mechanical interlock between said liner and said closure member other than said liner being seated in said channel, said closure member including an end panel of which a portion defines a base of said channel, and said mechanical interlock including pocket means formed in said base and projecting portions of said liner seated in said pocket means, said pocket means being in the form of a plurality of individual bores arranged in a plurality of circumferentially spaced radiating rows.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-24 | 1985-11-23 | 1986-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-24 | 1989-11-23 | 1990-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-24 | 1993-11-23 | 1994-05-25 | $7700.00 | Window Closed / Lapsed |