Polyester composite filament yarn having stable crimps
Abstract
Abstract A POLYESTER COMPOSITE MULTIFILAMENT YARN COMPOSED OF A PLURALITY OF INDIVIDUAL FILAMENTS HAVING COMBINED PROPERTIES OF THE SHRINKING PROPERTIES RESTRICTED AS FOLLOWS. PERCENT (1) A RANGE OF APPARENT SHRINKAGE WHEN THE YARN IS TREATED IN HOT WATER AT A STRETCHED CONDITION OF APPROXIMATELY 5 MG./DENIER 0-20 (2) SUBSTANTIAL SHRINKAGE WHEN THE YARN IS TREATED BY THE SAME MANNER AS IN CASE OF MEASURING THE APPARENT SHRINKAGE OF YARN LOWER THAN 3 THE ABOVE-MENTIONED COMPOSITE MULTIFILAMENT YARN CAN BE ALSO DEFINED WITH RESPECT TO THE DENSITY OF FILAMENT, OR NUMBER OF CRIMPS AFTER TREATMENT IN BOILING WATER. THE PREFERABLE CONDITION OF THE DENSITY OF FILAMENT IS RESTRICTED AT MORE THAN 1.3850 WHILE THE NUMBER OF CRIMPS IS RESTRICTED A RANGE FROM 10 TO 35/CM.
Inventors
- 👤 Kazuo Tomiita
- 👤 Takeshi Takase
- 👤 Mototada Fukuhara
- 👤 Chikara Sano
- 👤 Nobuo Ohmae
Bibliographic Details
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |