Twisting and forming device for pneumatic and mechanical spinning
Abstract
Abstract A TWISTING AND FORMING DEVICE IS PROVIDED FOR PNEUMATIC AND MECHANICAL SPINNING AND THE DEVICE COMPRISES A HOUSING CONTAINING A SPINNING CUP IN WHICH A DISC-SHAPED FIBER DEFLECTOR IS INSTALLED SO AS TO FORM AN ANNULAR CAVITY BETWEEN THE COVER OF THE HOUSING AND THE DEFLECTOR. AN ANNULAR GAP FOR THE PASSAGE OF FIBERS INTO THE CUP IS FORMED BETWEEN THE WALLS OF THE CUP AND THE FIBER DEFLECTOR AND THE SIZE OF THIS GAP IS EQUAL TO 0.5-5 MM. A SECOND ANNULAR GAP OF A SIZE BETWEEN 0.3 AND 4 MM. AND SMALLER THAN THE FIRST GAP IS FORMED BETWEEN THE EDGE OF THE CUP AND THE COVER AND IT WIDENS OUTWARDLY FOR REMOVING LINT AND IMPURITIES FROM THE FIBERS PASSING THROUGH THE ANNULAR CAVITY IN THE COURSE OF AIR EVACUATION FROM THE CUP AND HOUSING.
Inventors
- 👤 Lev Ivanovich Oskin
- 👤 Chary Anna-Seidov
- 👤 Alexandr Sergeevich Zhukov
- 👤 Alexandr Fedoseevich
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |