Patent US3096546A successfully refreshed from Google Patents.
US3096546A
Expired / Lapsed
US
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Machine and method for curling lips of container articles
Assignee: Illinois Tool Works Inc
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Filing: 1958-08-19
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Granted: 1963-07-09
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Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:00
CPC Classifications
B; B29; B29C; B29C57/00; B29C57/12; B29C57/125
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
APPARATUS FOR FORMING A ROLLED-UNDER LIP ON A PLASTIC CUP OR THE LIKE OF THE TYPE HAVING A SIDEWALL TERMINATING IN AN OUTWARDLY AND DOWNWARDLY PROJECTING CIRCUMFERENTIAL RIM, SAID APPARATUS COMPRISING: CAMMING MEANS FOR ENGAGING SAID RIM AT A PLURALITY OF EQUALLY ARCUATELY SPACED POSITIONS, SAID MEANS INCLUDING A PLURALITY OF ROLLERS, EACH OF SAID ROLLERS CARRYING A SPIRAL GROOVE WHICH RECEIVES SAID RIM, SAID GROOVES HAVING A GRADUALLY DIMINISHING AND SUBSEQUENTLY GRADUALLY INCREASING DEPTH AND HEIGHT; AND DRIVE MEANS OPERATING SAID CAMMING MEANS, WHEREBY SAID RIM IS PROGRESSIVELY DEFLECTED TOWARD SAID SIDEWALL.
References Cited (Backward Citations)
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Cited
US2532844A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |