US3194151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender and method of threading same
Assignee: Individual
•
Filing: 1963-07-01
•
Granted: 1965-07-13
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J H Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:52
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD FOR THREADING PAPER INTO A CALENDER HAVING A MASTER ROLL AND AT LEAST ONE AUXILIARY ROLL POSITIONED AROUND THE MASTER ROLL, SAID METHOD COMPRISING: (A) SKEWING THE AUXILIARY ROLL WITH RESPECT TO THE MASTER ROLL SO THAT ONE END OF THE AUXILIARY ROLL IS IN NIPPING ENGAGEMENT WITH THE MASTER ROLL AND THE OTHER END OF SUCH AUXILIARY ROLL IS SEPARATED SUBSTANTIALLY FROM SAID MASTER ROLL, AND (B) POSITIVELY DRIVING SAID MASTER ROLL, SAID MASTER ROLL IN TURN FRICTIONALLY DRIVING THE AUXILIARY ROLL BY VIRTUE OF THE NIPPING ENGAGEMENT OF THE SAID ONE END OF THE SAID AUXILIARY ROLL WITH THE MASTER ROLL, AND THEN (C) THREADING THE PAPER THE SKEWED ROLLS.
Claim 2
Independent Claim
114 words
A METHOD FOR THREADING PAPER INTO A CALENDER HAVING A MASTER ROLL AND AT LEAST ONE AUXILIARY ROLL POSITIONED AROUND THE MASTER ROLL, SAID METHOD COMPRISING: (A) SKEWING THE AUXILIARY ROLL WITH RESPECT TO THE MASTER ROLL SO THAT ONE END OF THE AUXILIARY ROLL IS IN NIPPING ENGAGEMENT WITH THE MASTER ROLL AND THE OTHER END OF SUCH AUXILIARY ROLL IS SEPARATED SUBSTANTIALLY FROM SAID MASTER ROLL, AND (B) POSITIVELY DRIVING SAID MASTER ROLL, SAID MASTER ROLL IN TURN FRICTIONALLY DRIVING THE AUXILIARY ROLL BY VIRTUE OF THE NIPPING ENGAGEMENT OF THE SAID ONE END OF THE SAID AUXILIARY ROLL WITH THE MASTER ROLL, AND THEN (C) THREADING THE PAPER THE SKEWED ROLLS.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |