US3279024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making bulky continuous filament yarn
Assignee: Teijin Ltd
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Filing: 1964-09-24
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Granted: 1966-10-18
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Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 Sakai Magoichi
- 👤 Mori Kenkichi
- 👤 Yoshioka Masazumi
- 👤 Konishi Satoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:30
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN AN APPARATUS FOR MAKING BULKY CONTINUOUS FILAMENT YARN COMPRISING A VENTURI MEMBER HAVING A THROAT ADAPTED TO CREAT A TURBULENT ZONE AND AT LEAST ONE FLUID JETTING PASSAGE FOR SUPPLYING A FLUID TO SAID THROAT AND A GUIDE MEMBER HAVING A YARN GUIDE PASSAGE FOR CONDUCTING A FILAMENT YARN TO SAID VENTURI THROAT, THE IMPROVEMENT WHEREIN THE JUNCTURE OF SAID GUIDE MEMBER AND SAID VENTURI MEMBER ARE RENDERED FAST SO AS TO BE AIR-TIGHT AT THEIR RESPECTIVE YARN GUIDE PASSAGE EXIST SURFACE AND VENTURI THROAT ENTRY SURFACE BY MEANS OF A SURFACE-TO-SURFACE CONTACT, SAID EXIT AND ENTRY ARE DISPOSED CCONCENTRICALLY, AND THE DIAMETER OF SAID EXIT IS AT LEAST AS GREAT AS THAT OF SAID ENTRY.
Claim 2
Dependent Claim
117 words
IN AN APPARATUS FOR MAKING BULKY CONTINUOUS FILAMENT YARN COMPRISING A VENTURI MEMBER HAVING A THROAT ADAPTED TO CREAT A TURBULENT ZONE AND AT LEAST ONE FLUID JETTING PASSAGE FOR SUPPLYING A FLUID TO SAID THROAT AND A GUIDE MEMBER HAVING A YARN GUIDE PASSAGE FOR CONDUCTING A FILAMENT YARN TO SAID VENTURI THROAT, THE IMPROVEMENT WHEREIN THE JUNCTURE OF SAID GUIDE MEMBER AND SAID VENTURI MEMBER ARE RENDERED FAST SO AS TO BE AIR-TIGHT AT THEIR RESPECTIVE YARN GUIDE PASSAGE EXIST SURFACE AND VENTURI THROAT ENTRY SURFACE BY MEANS OF A SURFACE-TO-SURFACE CONTACT, SAID EXIT AND ENTRY ARE DISPOSED CCONCENTRICALLY, AND THE DIAMETER OF SAID EXIT IS AT LEAST AS GREAT AS THAT OF SAID ENTRY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |