Process and means for treating textile fibres
Abstract
Abstract APPARATUS FOR TREATING A RANDOM MASS OF WOOL OR OTHER TEXTILE FIBRES TO CONVERT THEM INTO A LAP OR SLIVER HAVING THE FIBRES IN SUBSTANTIALLY PARALLEL FORMATION, WHEREIN THE RANDOM MASS OF FIBRES IS SUPPLIED BETWEEN A PAIR OF PINNED FEED ROLLERS WHOSE PINS CO-OPERATE TO EFFECT A RESTRAINING BUT NON-POSITIVE GRIP ON THE MATERIAL WHILST IT IS DRAWN FROM THE PINS OF THE ROLLERS BY FALLER GILLS MOVING AT A SPEED AT LEAST THREE TIMES AS FAST AS THAT WHICH THE FIBRES ARE FORWARDED BY SAID ROLLERS TO STRAIGHTEN THE FIBRES IN THE SPACE BETWEEN THE ROLLERS AND THE NEAREST FALLER GILLS, WHICH SPACE IS NOT GREATER THAN THE MEAN FIBRE LENGTH OF THE MATERIAL BEING TREATED, THE FIBRES THEN BEING DRAWN OFF THE FALLER GILLS BY DELIVERY ROLLERS.
Inventors
- 👤 Donald Walker
- 👤 Michael John Walker
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |