Patent US2980964A successfully refreshed from Google Patents.
Patent US3095607A successfully refreshed from Google Patents.
US3095607A
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Spinneret assembly
Assignee: EIDP Inc
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Filing: 1962-07-10
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Granted: 1963-07-02
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Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr James S Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:37
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SPINNERET ASSEMBLY FOR THE EXTRUSION OF FIBERFORMING MATERIAL INTO A PLURALITY OF SHAPED FILAMENTS BY PASSAGE THROUGH A BANK OF NON-CIRCULAR ORIFICES IN A SPINNERET PLATE, THE IMPROVEMENT COMPRISING A METERING PLATE DIRECTLY ADJACENT THE UPSTREAM FACE OF THE SPINNERET PLATE AND HAVING A PLURALITY OF SUBSTANTIALLY IDENTICAL CIRCULAR APERTURES THEREIN IN ALIGNMENT WITH SAID ORIFICES, EACH APERTURE COMMUNICATING DIRECTLY WITH A SINGLE ORIFICE, THE APERTURES PROVIDING SUBSTANTIALLY EQUAL FLOW OF FLUID TO THE RESPECTIVE ORIFICES WITH WHICH THEY ARE ALIGNED AND PROVIDING A RESISTANCE TO FLOW OF FLUID AT LEAST TWICE THE RESISTANCE OFFERED BY THE ORIFICES OF THE SPINNERET PLATE TO THE SAME FLUID FLOWING TO THE SAME EXTENT THROUGH THE ORIFICES.
Claim 2
Dependent Claim
116 words
IN A SPINNERET ASSEMBLY FOR THE EXTRUSION OF FIBERFORMING MATERIAL INTO A PLURALITY OF SHAPED FILAMENTS BY PASSAGE THROUGH A BANK OF NON-CIRCULAR ORIFICES IN A SPINNERET PLATE, THE IMPROVEMENT COMPRISING A METERING PLATE DIRECTLY ADJACENT THE UPSTREAM FACE OF THE SPINNERET PLATE AND HAVING A PLURALITY OF SUBSTANTIALLY IDENTICAL CIRCULAR APERTURES THEREIN IN ALIGNMENT WITH SAID ORIFICES, EACH APERTURE COMMUNICATING DIRECTLY WITH A SINGLE ORIFICE, THE APERTURES PROVIDING SUBSTANTIALLY EQUAL FLOW OF FLUID TO THE RESPECTIVE ORIFICES WITH WHICH THEY ARE ALIGNED AND PROVIDING A RESISTANCE TO FLOW OF FLUID AT LEAST TWICE THE RESISTANCE OFFERED BY THE ORIFICES OF THE SPINNERET PLATE TO THE SAME FLUID FLOWING TO THE SAME EXTENT THROUGH THE ORIFICES.
References Cited (Backward Citations)
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |