US3131729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weft thread supply system for looms for weaving
Assignee: Sulzer AG
•
Filing: 1960-12-05
•
Granted: 1964-05-05
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Leysinger Hans Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:10
CPC Classifications
D; D03; D03D; D03D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A WEAVING MACHINE OF THE GRIPPER SHUTTLE TYPE WHEREIN WEFT THREAD IS SUPPLIED FROM A STORAGE SPOOL LOCATED OUTSIDE OF A SHED FORMED BY WARP THREADS: A ROTATABLE WEFT THREAD ACCUMULATING DEVICE CONTINUOUSLY ROTATED AT A RELATIVELY SLOW SPEED, STATIONARY SHAFT MEANS HAVING AN END PORTION ROTATABLY SUPPORTING SAID DEVICE AND HAVING A FREE END, SAID DEVICE INCLUDING THREAD CARRIER MEANS MOVABLE SUBSTANTIALLY PARALLEL WITH THE ROTATION AXIS OF SAID DEVICE, THE WEFT THREAD BEING SUBSTANTIALLY CONTINOUSLY UNWOUND FROM THE STORAGE SPOOL AND SUBSTANTIALLY CONTINUOUSLY WOUND IN A SINGLE LAYER AROUND SAID CARRIER MEANS COAXIAL OF THE ROTATION AXIS OF SAID ACCUMULATING DEVICE, THE WEFT THREAD BEING INTERMITTENTLY PULLED AND UNWOUND AT RELATIVELY HIGH SPEED FROM SAID LAYER,
Claim 2
Dependent Claim
119 words
IN A WEAVING MACHINE OF THE GRIPPER SHUTTLE TYPE WHEREIN WEFT THREAD IS SUPPLIED FROM A STORAGE SPOOL LOCATED OUTSIDE OF A SHED FORMED BY WARP THREADS: A ROTATABLE WEFT THREAD ACCUMULATING DEVICE CONTINUOUSLY ROTATED AT A RELATIVELY SLOW SPEED, STATIONARY SHAFT MEANS HAVING AN END PORTION ROTATABLY SUPPORTING SAID DEVICE AND HAVING A FREE END, SAID DEVICE INCLUDING THREAD CARRIER MEANS MOVABLE SUBSTANTIALLY PARALLEL WITH THE ROTATION AXIS OF SAID DEVICE, THE WEFT THREAD BEING SUBSTANTIALLY CONTINOUSLY UNWOUND FROM THE STORAGE SPOOL AND SUBSTANTIALLY CONTINUOUSLY WOUND IN A SINGLE LAYER AROUND SAID CARRIER MEANS COAXIAL OF THE ROTATION AXIS OF SAID ACCUMULATING DEVICE, THE WEFT THREAD BEING INTERMITTENTLY PULLED AND UNWOUND AT RELATIVELY HIGH SPEED FROM SAID LAYER,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |