US3259952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet device for blowing yarn and process
Assignee: Eastman Kodak Co
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Filing: 1964-02-12
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Granted: 1966-07-12
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 James F Caines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A NEW JET APPARATUS ADAPTED FOR PROJECTING MULTIFILAMENT POLYMERIC YARN WHICH JET COMPRISES AN OUTER HOUSING MEMBER CONTAINING THEREIN A YARN INLET MEMBER AND A VENTURI EXIT MEMBER, THE VENTURI EXIT MEMBER COMPRISING A CONVERGING ENTRY PORTION, A CYLINDRICAL THROAT SECTION AND A LONG DIVERGENT EXIT SECTION IN SERIES, MEANS FOR SUPPLYING A PRIMARY FLOW OF GASEOUS FLUID AROUND SAID YARN INLET MEMBER SO THAT THE FLUID CONTACTS THE YARN AS IT EMERGES FROM SAID INLET MEMBER AND FURTHER MEANS FOR INTRODUCING A SECONDARY FLOW OF GASEOUS FLUID INTO THE VENTURI MEMBER THROUGH AT LEAST ONE SMALL HOLE LOCATED APPROXIMATELY MID-WAY ALONG THE LENGTH OF THE DIVERGENT EXIT SECTION OF THE VENTURI.
Claim 2
Dependent Claim
112 words
A NEW JET APPARATUS ADAPTED FOR PROJECTING MULTIFILAMENT POLYMERIC YARN WHICH JET COMPRISES AN OUTER HOUSING MEMBER CONTAINING THEREIN A YARN INLET MEMBER AND A VENTURI EXIT MEMBER, THE VENTURI EXIT MEMBER COMPRISING A CONVERGING ENTRY PORTION, A CYLINDRICAL THROAT SECTION AND A LONG DIVERGENT EXIT SECTION IN SERIES, MEANS FOR SUPPLYING A PRIMARY FLOW OF GASEOUS FLUID AROUND SAID YARN INLET MEMBER SO THAT THE FLUID CONTACTS THE YARN AS IT EMERGES FROM SAID INLET MEMBER AND FURTHER MEANS FOR INTRODUCING A SECONDARY FLOW OF GASEOUS FLUID INTO THE VENTURI MEMBER THROUGH AT LEAST ONE SMALL HOLE LOCATED APPROXIMATELY MID-WAY ALONG THE LENGTH OF THE DIVERGENT EXIT SECTION OF THE VENTURI.
References Cited (Backward Citations)
FR993215A
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US2852906A
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US2884756A
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US2879948A
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US3110151A
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |