US3206922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle for producing crimped yarn by the twisting method
Assignee: TEIKOKN JINZO KENSHI KABUSHIKI
•
Filing: 1961-06-19
•
Granted: 1965-09-21
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Nagahara Katsumi
- 👤 Sakajiri Shoichi
- 👤 Mukai Taizo
- 👤 Takai Isao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A NOZZLE FOR PRODUCING CRIMPED YARN BY THE TWISTING METHOD COMPRISING MEANS DEFINING A TUBULAR YARN PASSAGE AND A FLUID INLET TUBE DISPOSED IN A DIRECTION SUBSTANTIALLY PERPENDICULAR AND TANGENTIAL TO THE AXIS OF SAID TUBULAR YARN PASSAGE, CHARACTERIZED IN THAT THE INLET END OF SAID TUBULAR YARN PASSAGE IS CONSTRICTED FOR THE PURPOSE OF MINIMIZING BALLOONING OF THE YARN, SAID YARN PASSAGE AHEAD IN THE RUNNING DIRECTION OF THE CONSTRICTED PORTION BEING SUBSTANTIALLY CYLINDRICAL AND THE OTHER END OF SAID YARN PASSAGE BEING LEFT WIDE OPEN, SAID TUBULAR YARN PASSAGE BEING DIVIDED INTO A CONSTRICTED PORTION AND A TUBULAR BODY, AND A FLUID INLET GROOVE BEING PROVIDED IN AN ADJOINING SURFACE OF SAID CONSTRICTED PORTION OF SAID TUBULAR BODY, FORMING PART OF SAID INLET FLUID TUBE.
Claim 2
Dependent Claim
127 words
A NOZZLE FOR PRODUCING CRIMPED YARN BY THE TWISTING METHOD COMPRISING MEANS DEFINING A TUBULAR YARN PASSAGE AND A FLUID INLET TUBE DISPOSED IN A DIRECTION SUBSTANTIALLY PERPENDICULAR AND TANGENTIAL TO THE AXIS OF SAID TUBULAR YARN PASSAGE, CHARACTERIZED IN THAT THE INLET END OF SAID TUBULAR YARN PASSAGE IS CONSTRICTED FOR THE PURPOSE OF MINIMIZING BALLOONING OF THE YARN, SAID YARN PASSAGE AHEAD IN THE RUNNING DIRECTION OF THE CONSTRICTED PORTION BEING SUBSTANTIALLY CYLINDRICAL AND THE OTHER END OF SAID YARN PASSAGE BEING LEFT WIDE OPEN, SAID TUBULAR YARN PASSAGE BEING DIVIDED INTO A CONSTRICTED PORTION AND A TUBULAR BODY, AND A FLUID INLET GROOVE BEING PROVIDED IN AN ADJOINING SURFACE OF SAID CONSTRICTED PORTION OF SAID TUBULAR BODY, FORMING PART OF SAID INLET FLUID TUBE.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |