US3153316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulky yarn and method of producing the yarn
Assignee: Celanese Corp
•
Filing: 1962-05-15
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Granted: 1964-10-20
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 Malcolm R Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:50
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/367; D02G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF PRODUCING A BULKY YARN COMPRISING SUPPLYING TO A ROTATABLE ROLL AT LEAST ONE ROVING OF STAPLE LENGTH FIBERS, SUPPLYING TO SAID ROLL TOGETHER WITH SAID ROVING A YARN TO SERVE AS A CORE, SAID SUPPLY OF CORE BEING AT A LINEAR SPEED OF ABOUT 25 TO 75% OF THE PERIPHERAL SPEED OF SAID ROLL, SUCH THAT SAID CORE IS CONTINUOUSLY UNDER TENSION AND SAID ROLL CONTINUOUSLY SLIPS RELATIVE THERETO SO THAT THE FIBERS OF SAID ROVING ARE CAUSED TO PILE UP AND BUCKLE ABOUT SAID CORE DURING SLIPPAGE, AND TWISTING THE CORE AND ROVING FIBERS ISSUING FROM SAID ROLL.
Claim 2
Independent Claim
102 words
A METHOD OF PRODUCING A BULKY YARN COMPRISING SUPPLYING TO A ROTATABLE ROLL AT LEAST ONE ROVING OF STAPLE LENGTH FIBERS, SUPPLYING TO SAID ROLL TOGETHER WITH SAID ROVING A YARN TO SERVE AS A CORE, SAID SUPPLY OF CORE BEING AT A LINEAR SPEED OF ABOUT 25 TO 75% OF THE PERIPHERAL SPEED OF SAID ROLL, SUCH THAT SAID CORE IS CONTINUOUSLY UNDER TENSION AND SAID ROLL CONTINUOUSLY SLIPS RELATIVE THERETO SO THAT THE FIBERS OF SAID ROVING ARE CAUSED TO PILE UP AND BUCKLE ABOUT SAID CORE DURING SLIPPAGE, AND TWISTING THE CORE AND ROVING FIBERS ISSUING FROM SAID ROLL.
References Cited (Backward Citations)
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |