US5020683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic closure
Assignee: Pepsico Inc
•
Filing: 1990-01-29
•
Granted: 1991-06-04
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Expires: 2010-01-29
Abstract
Abstract The closure includes a bottle cap having a thread on the inner surface of the side wall and a hollow plastic container having an open neck end including a lip region with an outer threaded wall portion extending downwardly therefrom and engagable with the thread on the cap. The lip region includes tapered portions engagable with corresponding tapers on the cap with the lip region placed under stress against the cap.
Inventors
- 👤 Herbert Strassheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0407; B65D41/0414; B65D41/0421
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
143 words
A plastic closure and a deformable container which comprises: a bottle cap having a top wall, a cylindrical side wall depending from the top wall and a thread on the inner surface of the side wall; a hollow plastic container having an open neck end including a lip region and extending downwardly therefrom an outer threaded wall portion engagable with the thread on the cap; an inwardly facing first taper on the lip region engagable with a corresponding mating first taper on the bottle cap and an outwardly facing second taper on the lip region engagable with a corresponding mating second taper on the bottle cap; wherein the second taper on the bottle cap is greater than the second taper on the lip region suitable to inwardly deform the lip region and to stress the first lip taper against the first cap taper.
Claim 2
Dependent Claim
143 words
A plastic closure and a deformable container which comprises: a bottle cap having a top wall, a cylindrical side wall depending from the top wall and a thread on the inner surface of the side wall; a hollow plastic container having an open neck end including a lip region and extending downwardly therefrom an outer threaded wall portion engagable with the thread on the cap; an inwardly facing first taper on the lip region engagable with a corresponding mating first taper on the bottle cap and an outwardly facing second taper on the lip region engagable with a corresponding mating second taper on the bottle cap; wherein the second taper on the bottle cap is greater than the second taper on the lip region suitable to inwardly deform the lip region and to stress the first lip taper against the first cap taper.
Claim 3
Dependent Claim
31 words
A plastic container-closure according to claim 1 wherein the container has an open neck end, a body region depending from the neck and a closed end depending from the body region.
Claim 4
Dependent Claim
29 words
A plastic container-closure according to claim 1 wherein the open neck includes an inner wall portion opposed to the outer threaded wall portion extending downwardly from the lip region.
Claim 5
Dependent Claim
16 words
A plastic container-closure according to claim wherein the first lip taper is about 10° to 40°.
Claim 6
Dependent Claim
17 words
A plastic container-closure according to claim 1 wherein the second lip taper is about 2° to 10°.
Claim 7
Dependent Claim
23 words
A plastic container-closure according to claim 5 wherein the second cap taper is about 0.2° to 1° greater than the second lip taper.
Claim 8
Dependent Claim
59 words
A plastic container-closure according to claim 1 wherein the cap includes a downwardly facing groove having an inner and outer surface, with a downwardly extending flange portion forming the inner surface of said groove and the first cap taper, and the outer surface of said groove forming the second cap taper and having the cap threads downwardly extending therefrom.
Claim 9
Dependent Claim
13 words
A plastic container-closure according to claim 1 wherein the container is polyethylene terephthalate.
Claim 10
Dependent Claim
13 words
A plastic container-closure according to claim 8 wherein the cap is polyethylene terephthalate.
References Cited (Backward Citations)
US3433380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-03 | 1994-12-03 | 1995-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-03 | 1998-12-03 | 1999-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-03 | 2002-12-03 | 2003-06-04 | $7700.00 | Window Closed / Lapsed |