US3104419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinneret pack
Assignee: EIDP Inc
•
Filing: 1962-08-24
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Granted: 1963-09-24
•
Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 Forge Arthur Angelo La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/10; D01D1/106; B; B29; B29C; B29C48/00; B29C48/25; B29C48/254; B29C48/2545; B29C48/36; B29C48/50; B29C48/69; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A SPINNERET PACK FOR A MELT-SPINNING ASSEMBLY COMPRISING A FIXED ADJACENT RELATION, IN THE ORDER OF POLYMER FLOW, A GRANULR BED OF FINELY DIVIDED INERT MATERIAL, A POROUS METAL PLATE HAVING A THICKNESS OF ABOUT 1/16 TO 1/2 INCH AND CONTAINING IMMOBILE VOIDS HAVING A MEAN PORE DIAMETER OF FROM ABOUT 5 TO ABOUT 200 MICRONS, LATERAL DISTRIBUTION MEANS, AND A SPINNERET PLATE CONTAINING EXTRUSION ORIFICES, SAID GRANULAR BED AND SAID METAL PLATE TOGETHER PROVIDING A TOTAL SHEAR FACTOR, L/NR4, WITHIN THE RANGE OF FROM 1 TO 30 FOR A PACK INLET PRESSURE WITHIN THE RANGE OF FROM 3300 TO 7700 POUNDS PER SQUARE INCH,
Claim 2
Dependent Claim
105 words
A SPINNERET PACK FOR A MELT-SPINNING ASSEMBLY COMPRISING A FIXED ADJACENT RELATION, IN THE ORDER OF POLYMER FLOW, A GRANULR BED OF FINELY DIVIDED INERT MATERIAL, A POROUS METAL PLATE HAVING A THICKNESS OF ABOUT 1/16 TO 1/2 INCH AND CONTAINING IMMOBILE VOIDS HAVING A MEAN PORE DIAMETER OF FROM ABOUT 5 TO ABOUT 200 MICRONS, LATERAL DISTRIBUTION MEANS, AND A SPINNERET PLATE CONTAINING EXTRUSION ORIFICES, SAID GRANULAR BED AND SAID METAL PLATE TOGETHER PROVIDING A TOTAL SHEAR FACTOR, L/NR4, WITHIN THE RANGE OF FROM 1 TO 30 FOR A PACK INLET PRESSURE WITHIN THE RANGE OF FROM 3300 TO 7700 POUNDS PER SQUARE INCH,
References Cited (Backward Citations)
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US2869176A
Cited
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Cited
US3028627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |