Patent US3296676A successfully refreshed from Google Patents.
US3296676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weft straightening apparatus and method
Assignee: Individual
•
Filing: 1964-06-03
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Granted: 1967-01-10
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Macomson Wistar Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:45
CPC Classifications
D; D06; D06H; D06H3/00; D06H3/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
141 words
APPARATUS FOR STRAIGHTENING WEFT YARNS OF AN ELONGATE WOVEN FABRIC WEB TO REMOVE A SKEWED, BOWED OR DOGLEGGED DISTORTION THEREFROM AND TO BRING THE SAME INTO PERPENDICULARITY WITH THE WARP YARNS OF THE FABRIC WEB, SAID APPARATUS INCLUDING (A) FIRST MEANS DEFINING A FIRST ZONE FOR REARRANGING THE WEFT YARNS IN THE FABRIC WEB REGARDLESS OF THEIR INITIAL CONDITION INTO A PREDETERMINED, SUBSTANTIALLY UNIFORM STRAIGHT-LINE SKEW BY MOVING ONE SIDE EDGE OF THE FABRIC WEB THROUGH A LONGER PATH OF TRAVEL THAN THE OTHER SIDE EDGE THEREOF, AND (B) SECOND MEANS DEFINING A SECOND ZONE FOR REARRANGING THE WEFT YARNS IN THE FABRIC WEB TO REMOVE SAID STRAIGHT-LINE SKEW THEREFROM AND TO BRING THE WEFT YARNS INTO PERPENDICULAR RELATION TO THE WARP YARNS BY MOVING SAID OTHER SIDE EDGE THROUGH A LONGER PATH OF TRAVEL THAN SAID ONE SIDE EDGE THEREOF.
Claim 2
Dependent Claim
141 words
APPARATUS FOR STRAIGHTENING WEFT YARNS OF AN ELONGATE WOVEN FABRIC WEB TO REMOVE A SKEWED, BOWED OR DOGLEGGED DISTORTION THEREFROM AND TO BRING THE SAME INTO PERPENDICULARITY WITH THE WARP YARNS OF THE FABRIC WEB, SAID APPARATUS INCLUDING (A) FIRST MEANS DEFINING A FIRST ZONE FOR REARRANGING THE WEFT YARNS IN THE FABRIC WEB REGARDLESS OF THEIR INITIAL CONDITION INTO A PREDETERMINED, SUBSTANTIALLY UNIFORM STRAIGHT-LINE SKEW BY MOVING ONE SIDE EDGE OF THE FABRIC WEB THROUGH A LONGER PATH OF TRAVEL THAN THE OTHER SIDE EDGE THEREOF, AND (B) SECOND MEANS DEFINING A SECOND ZONE FOR REARRANGING THE WEFT YARNS IN THE FABRIC WEB TO REMOVE SAID STRAIGHT-LINE SKEW THEREFROM AND TO BRING THE WEFT YARNS INTO PERPENDICULAR RELATION TO THE WARP YARNS BY MOVING SAID OTHER SIDE EDGE THROUGH A LONGER PATH OF TRAVEL THAN SAID ONE SIDE EDGE THEREOF.
Claim 3
Independent Claim
144 words
A METHOD OF STRAIGHTENING WEFT YARNS OF AN ELONGATE WOVEN FABRIC WEB TO REMOVE A SKEWED, BOWED OR DOGLEGGED DISTORTION THEREFROM AND TO BRING THE WEFT YARNS INTO PERPENDICULARITY WITH THE WARP YARNS OF THE FABRIC WEB, SAID METHOD COMPRISING THE STEPS OF (A) MOVING THE FABRIC WEB WARPWISE THROUGH A FIRST ZONE WHILE REARRANGING THE WEFT YARNS INTO A PREDETERMINED, SUBSTANTIALLY UNIFORM STRAIGHT-LINE SKEW BY MOVING ONE SIDE EDGE OF THE FABRIC WEB THROUGH A A LONGER PATH OF TRAVEL THAN THE OTHER SIDE EDGE THEREOF, AND THEN (B) MOVING THE FABRIC WEB WARPWISE THROUGH A SECOND ZONE WHILE REARRANGING THE WEFT YARNS TO REMOVE THE PREDETERMINED, STRAIGHT-LINE SKEW THEREFROM AND TO BRING THE SAME INTO PERPENDICULAR RELATION TO THE WARP YARNS BY MOVING SAID OTHER SIDE EDGE OF THE FABRIC THROUGH A LONGER PATH OF TRAVEL THAN SAID ONE SIDE EDGE THEREOF.
Claim 4
Independent Claim
144 words
A METHOD OF STRAIGHTENING WEFT YARNS OF AN ELONGATE WOVEN FABRIC WEB TO REMOVE A SKEWED, BOWED OR DOGLEGGED DISTORTION THEREFROM AND TO BRING THE WEFT YARNS INTO PERPENDICULARITY WITH THE WARP YARNS OF THE FABRIC WEB, SAID METHOD COMPRISING THE STEPS OF (A) MOVING THE FABRIC WEB WARPWISE THROUGH A FIRST ZONE WHILE REARRANGING THE WEFT YARNS INTO A PREDETERMINED, SUBSTANTIALLY UNIFORM STRAIGHT-LINE SKEW BY MOVING ONE SIDE EDGE OF THE FABRIC WEB THROUGH A A LONGER PATH OF TRAVEL THAN THE OTHER SIDE EDGE THEREOF, AND THEN (B) MOVING THE FABRIC WEB WARPWISE THROUGH A SECOND ZONE WHILE REARRANGING THE WEFT YARNS TO REMOVE THE PREDETERMINED, STRAIGHT-LINE SKEW THEREFROM AND TO BRING THE SAME INTO PERPENDICULAR RELATION TO THE WARP YARNS BY MOVING SAID OTHER SIDE EDGE OF THE FABRIC THROUGH A LONGER PATH OF TRAVEL THAN SAID ONE SIDE EDGE THEREOF.
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |