US3309036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper machinery
Assignee: Black Clawson Co
•
Filing: 1965-03-29
•
Granted: 1967-03-14
•
Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:03
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1857; B65H19/1868; B65H19/1805; B65H19/181; B65H19/1821; B65H2408/00; B65H2408/20; B65H2408/24; B65H2408/241; B65H2408/2411
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN IMPROVED APPARATUS FOR CONTINUOUSLY UNWINDING AND SPLICING WEB MATERIALS WHEREIN EITHER SIDE OF THE WEB FROM AN UNWINDING ROLL CAN BE SPLICED SELECTIVELY TO THE LEAD END OF A WEB FROM THE NEW ROLL REGARDLESS OF THE EXTENT OF WEB MATERIAL REMAINING ON THE UNWINDING ROLL, COMPRISING A REEL INCLUDING MEANS FOR SUPPORTING A PLURALITY OF ROLLS OF WEB MATERIALS, WEB SEVERING MEANS ON SAID REEL, SPEED-UP MEANS FOR ROTATING THE NEW ROLL UNTIL ITS PERIPHERAL SPEED IS SUBSTANTIALLY THE SAME AS THE UNWINDING WEB SPEED, A PRESSURE ROLL POSITIONED ON EACH SIDE OF THE UNWINDING WEB, MEANS FOR SELECTIVELY MOVING EACH OF SAID PRESSURE ROLLS GENERALLY TOWARD SAID SUPPORTING MEANS FROM A RETRACTED POSITION
Claim 2
Dependent Claim
116 words
AN IMPROVED APPARATUS FOR CONTINUOUSLY UNWINDING AND SPLICING WEB MATERIALS WHEREIN EITHER SIDE OF THE WEB FROM AN UNWINDING ROLL CAN BE SPLICED SELECTIVELY TO THE LEAD END OF A WEB FROM THE NEW ROLL REGARDLESS OF THE EXTENT OF WEB MATERIAL REMAINING ON THE UNWINDING ROLL, COMPRISING A REEL INCLUDING MEANS FOR SUPPORTING A PLURALITY OF ROLLS OF WEB MATERIALS, WEB SEVERING MEANS ON SAID REEL, SPEED-UP MEANS FOR ROTATING THE NEW ROLL UNTIL ITS PERIPHERAL SPEED IS SUBSTANTIALLY THE SAME AS THE UNWINDING WEB SPEED, A PRESSURE ROLL POSITIONED ON EACH SIDE OF THE UNWINDING WEB, MEANS FOR SELECTIVELY MOVING EACH OF SAID PRESSURE ROLLS GENERALLY TOWARD SAID SUPPORTING MEANS FROM A RETRACTED POSITION
References Cited (Backward Citations)
US3106360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |