US3096546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for curling lips of container articles
Assignee: Illinois Tool Works Inc
•
Filing: 1958-08-19
•
Granted: 1963-07-09
•
Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:10
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)
US1433696A
Cited
US1525528A
Cited
US1545177A
Cited
US2274827A
Cited
US2532844A
Cited
US2611412A
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 |