Yarn treating apparatus and method
Abstract
Abstract APPARATUS FOR TREATING THERMOPLASTIC YARN COMPRISING MEANS FOR HEATING AND DRAWING THE YARN WHILE ADVANCING THE YARN, MEANS FOR CRIMPING THE YARN BY LONGITUDINAL COMPRESSION DIRECTLY AFTER DRAWING WHILE THE YARN IS STILL IN A HEATED CONDITION FROM THE HEATING AND DRAWING MEANS, THE MEANS FOR WINDING UP THE DRAWN AND CRIMPED YARN, SAID HEATING AND DRAWING MEANS COMPRISING A PAIR OF ROLLER ARRANGEMENTS, EACH OF SAID ROLLER ARRANGEMENTS HAVING A PERIPHERAL SURFACE WITH WHICH THE YARN IS CONTACTED, ONE OF SAID ROLLER ARRANGEMENTS BEING HEATALBE AND ROTATABLE TO HEAT THE ADVANCE YARN FROM THE SUPPLY TO THE OTHER OF SAID ROLLER ARRANGEMENTS, SAID OTHER ROLLER ARRANGEMENT BEING HEATABLE AND ROTATABLE TO ADVANCE THE YARN AT A RATE GREATER THAN THE RATE AT WHICH THE YARN IS ADVANCED BY THE SAID ONE ROLLER ARRANGEMENT TO THEREBY DRAW THE YARN WHILE IN A HEATED CONDITION FROM THE SAID ONE ROLLER ARRANGEMENT, SAID CRIMPING MEANS COMPRISING A CHAMBER DEFINING A YARN BUNCHING ZONE FOR FORMING A PLUG OF CRIMPED YARN AND MEANS FOR DRIVING THE DRAWN YARN INTO THE CHAMBER WHILE THE YARN IS STILL IN A HEATED CONDITION FROM THE HEATING AND DRAWING MEANS.
Inventors
- 👤 Fred B Satterwhite
Bibliographic Details
Claims Analysis
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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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
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| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |