Synthetic thread composed of bundled split tape
Abstract
Abstract WITH THE HEATING DIE AT POINT OFCONTACT OF EACH OTHER AND THUS, TO TIGHTLY BUNDLE AND TAPE INTO A THREAD BODY. THE UNIQUE SYNTHETIC THREAD OF HE PRESENT INVENTION HAS A HIGH FILLING DENSITY OF 35 TO 90% AND CONSISTS OF ONE OR MORE THERMOPLASTIC SPLIT TAPES OF 5 TO 300U THICKNESS. THE SPLIT TAPE ESSENTIALLY CONSISTS OF POLYOLEFIN AND IS COMPOSED OF NUMEROUS FIBROUS UNIT STRIPS MUTUALLY CONNECTED IN A NETWORK. IN THE THREAD, THE SPLIT TAPE IS TIGHTLY BUNDLED IN SUCH A MANNER THAT THE FIBROUS UNIT STRIPS LOCATED ON THE PERIPHERY PORTIONS OF THE BUNDLE ARE MUTUALLY MELT-ADHERED AT POINT OF CONTACT TO EACH OTHER. THE UNIQUE THREAD OF THE PRESENT INVENTION IN MANUFACTURED BY PASSING THE SPLIT TAPE THROUGH ONE OR MORE HEATING DIES WHILE BEING IN CONTACT WITH THE INSIDE SURFACE OF THE HEATING DIE HEATED AT A TEMPERATURE HIGHER BY AT LEAST 10*C. THAN THE MELTING POINTOF THE TAPE SO AS TO MELT-ADHERE THE FIBROUS UNIT STRIPS BROUGHT INTO CONTACT
Inventors
- 👤 H Shimoyama
- 👤 T Nishikawa
- 👤 N Nishikawa
- 👤 M Okumura
- 👤 E Umemura
Bibliographic Details
Claims Analysis
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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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |