US3255508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for crimping textile yarn
Assignee: EIDP Inc
•
Filing: 1964-10-08
•
Granted: 1966-06-14
•
Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Weiss Ernst
- 👤 Rudolf A Prokesch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:15
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN APPARATUS FOR CRIMPING THERMOPLASTIC TEXTILE YARN A NOZZLE FOR PASSAGE OF THE YARN IN AN AXIAL DIRECTION, A MOVABLE BARRIER SCREEN FOR RECEIVING THE YARN FROM THE NOZZLE, THE NOZZLE HAVING ONE END CLOSELY ADJACENT TO A PORTION OF THE SCREEN AND BEING SUBSTANTIALLY PERPENDICULAR SO THAT PORTION OF THE SCREEN, MEANS FOR CONTINUOUSLY MOVING SAID BARRIER SCREEN, MEANS FOR PASSING A LAMINAR STREAM OF HEATED FLUID THROUGH THE NOZZLE FOR PLASTIFYING AND PROPELLING THE YARN AGAINST THE BARRIER SCREEN IN A PLASTIC CONDITION WITH SUFFICIENT FORCE TO MECHANICALLY DEFORM THE YARN, THE STREAM BEING DIVERTED FROM THE YARN AT THE BARRIER SCREEN AND THE YARN BEING SET ON THE SCRREEN WHILE FREE FROM FLUID DISTURBANCE, FEED MEANS FOR CONTINUOUSLY FORWARDING THE YARN INTO SAID NOZZLE, AND TAKEUP MEANS FOR REMOVING THE YARN FROM THE BARRIER SCREEN AT A SPEED BETWEEN ABOUT 50 AND 90% OF THE FORWARDING SPEED OF THE FEED MEANS.
Claim 2
Dependent Claim
154 words
IN APPARATUS FOR CRIMPING THERMOPLASTIC TEXTILE YARN A NOZZLE FOR PASSAGE OF THE YARN IN AN AXIAL DIRECTION, A MOVABLE BARRIER SCREEN FOR RECEIVING THE YARN FROM THE NOZZLE, THE NOZZLE HAVING ONE END CLOSELY ADJACENT TO A PORTION OF THE SCREEN AND BEING SUBSTANTIALLY PERPENDICULAR SO THAT PORTION OF THE SCREEN, MEANS FOR CONTINUOUSLY MOVING SAID BARRIER SCREEN, MEANS FOR PASSING A LAMINAR STREAM OF HEATED FLUID THROUGH THE NOZZLE FOR PLASTIFYING AND PROPELLING THE YARN AGAINST THE BARRIER SCREEN IN A PLASTIC CONDITION WITH SUFFICIENT FORCE TO MECHANICALLY DEFORM THE YARN, THE STREAM BEING DIVERTED FROM THE YARN AT THE BARRIER SCREEN AND THE YARN BEING SET ON THE SCRREEN WHILE FREE FROM FLUID DISTURBANCE, FEED MEANS FOR CONTINUOUSLY FORWARDING THE YARN INTO SAID NOZZLE, AND TAKEUP MEANS FOR REMOVING THE YARN FROM THE BARRIER SCREEN AT A SPEED BETWEEN ABOUT 50 AND 90% OF THE FORWARDING SPEED OF THE FEED MEANS.
References Cited (Backward Citations)
US2202030A
Cited
US2204341A
Cited
US2395371A
Cited
US2313630A
Cited
US2294957A
Cited
US2435891A
Cited
US2379824A
Cited
US2584043A
Cited
US2563986A
Cited
US2931076A
Cited
US3016599A
Cited
US2874446A
Cited
US3148101A
Cited
US3036357A
Cited
US3142147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |