US2602964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of spun yarns and fibers
Assignee: Akzo Nobel UK PLC
•
Filing: 1947-01-29
•
Granted: 1952-07-15
•
Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Sisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:04
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01G1/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
THE METHOD OF PRODUCING A BUNDLE CONSISTING ENTIRELY OF SUBSTANTIALLY PARALLEIZED CRIMPED DISCONTINUOUS FIBERS SUITABLE FOR SPINNING INTO A YARN, FROM A LARGE TOTAL DENIER BUNDLE OF SUBSTANTIALLY PARALLELIZED CONTINUOUS WET-SPUN STRAITHT REGENERATED CELLULOSE FLIAMENTS CHARACTERIZED BY BEING REVERSIBLY CONVERTIBLE BY PLASTICIZATION AND SETTING THEREOF BETWEEN AN INHERENT CRIMPED CONDITION OBTAINABLE BY SETTING UNDER RELAXATION, AND A STRAIGHT CONDITON OBTAIABLE BY SETTING UNDER TENSION, IN AT MOST ONLY SLIGHTLY TWISTED CONDITION, WHICH COMPRISES SUBJECTING THE BUNDLE OF CONTINUOUS FLIAMENTS TO SUFFICIENT TENSION TO BREAK THE FILAMENTS, AFTER THE FILAMENTS ARE WITHDRAWN FROM THE SPINNING BTH AND WHILE THEY ARE STILL IN THE WET CONDITION, THEREBY CONVERTING ALL OF THE FILAMENTS TO SUBSTANTIALLY PARALLELIZED DISCONTINUOUS FIBERS WITHOUT DISRUPTION OF LOSS OF CONTINUITY OF THE BUNDLE, RELAXING THE BUNDLE OF DISCONTINUOUS FIBERS, AND DRYING THE FIBERS WHILE THE BUNDLE IS RELAXED TO THEREBY SET THE FIBERS IN THE BUNDLE IN CRIMPED CONDITION.
Claim 2
Independent Claim
150 words
THE METHOD OF PRODUCING A BUNDLE CONSISTING ENTIRELY OF SUBSTANTIALLY PARALLEIZED CRIMPED DISCONTINUOUS FIBERS SUITABLE FOR SPINNING INTO A YARN, FROM A LARGE TOTAL DENIER BUNDLE OF SUBSTANTIALLY PARALLELIZED CONTINUOUS WET-SPUN STRAITHT REGENERATED CELLULOSE FLIAMENTS CHARACTERIZED BY BEING REVERSIBLY CONVERTIBLE BY PLASTICIZATION AND SETTING THEREOF BETWEEN AN INHERENT CRIMPED CONDITION OBTAINABLE BY SETTING UNDER RELAXATION, AND A STRAIGHT CONDITON OBTAIABLE BY SETTING UNDER TENSION, IN AT MOST ONLY SLIGHTLY TWISTED CONDITION, WHICH COMPRISES SUBJECTING THE BUNDLE OF CONTINUOUS FLIAMENTS TO SUFFICIENT TENSION TO BREAK THE FILAMENTS, AFTER THE FILAMENTS ARE WITHDRAWN FROM THE SPINNING BTH AND WHILE THEY ARE STILL IN THE WET CONDITION, THEREBY CONVERTING ALL OF THE FILAMENTS TO SUBSTANTIALLY PARALLELIZED DISCONTINUOUS FIBERS WITHOUT DISRUPTION OF LOSS OF CONTINUITY OF THE BUNDLE, RELAXING THE BUNDLE OF DISCONTINUOUS FIBERS, AND DRYING THE FIBERS WHILE THE BUNDLE IS RELAXED TO THEREBY SET THE FIBERS IN THE BUNDLE IN CRIMPED CONDITION.
References Cited (Backward Citations)
US1883384A
Cited
US2077079A
Cited
US2216810A
Cited
GB490751A
Cited
GB474402A
Cited
US2186135A
Cited
US2287099A
Cited
US2277086A
Cited
US2414800A
Cited
US2410307A
Cited
US2412969A
Cited
US2517946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |