US3272043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for severing a moving web
Assignee: EIDP Inc
•
Filing: 1963-10-31
•
Granted: 1966-09-13
•
Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ryan Danahey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:38
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/20; B26D5/22; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0453; Y10T83/202; Y10T83/2022; Y10T83/2024; Y10T83/2066; Y10T83/2092; Y10T83/2196; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4766; Y10T83/4795; Y10T83/4804; Y10T83/4807
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A METHOD FOR SEVERING A WEB WHILE MAINTAINING POSITIVE TENSION ON THE WEB WHICH COMPRISES (1) INITIATING A (A) KNIFE ROLLS LOCATED ON EACH SIDE OF THE WEB TO BEGIN ROTATION AND (B) THE ENGAGEMENT OF THE FREE RUNNING GUIDE ROLL AND POWER DRIVEN ROLL, (2) CUTTING SAID WEB WHILE A FIRM GRASP IS MAINTAINED ON SAID WEB BY SAID KNIFE ROLLS, (3) SUPPORTING THE LEADING EDGE OF SAID CUT WEB WITH AN AIR CUSHION, (4) RECEIVING THE LEADING EDGE OF SAID CUT WEB BETWEEN SAID ENGAGED GUIDE ROLL POWER DRIVEN ROLL AND (5) DISENGAGED SAID GUIDE ROLL AND POWER DRIVEN ROLL UPON AN IMPULSE FROM A WEB DEDECTOR WHICH SENSED THE WEB AFTER PASSAGE FROM SAID ROLLS.
References Cited (Backward Citations)
US1479464A
Cited
US2219682A
Cited
US2546221A
Cited
US2943806A
Cited
US2877612A
Cited
US3169432A
Cited
US3153962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |