US2904828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinneret filter pack
Assignee: Bridgestone Firestone Inc
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Filing: 1958-01-06
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Granted: 1959-09-22
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Walter J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:24
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/10; D01D1/106; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/25; B29C48/36; B29C48/50; B29C48/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A SPINNERET FOR THE MELT-SPINNING OF THERMOPLASTIC NYLON, COMPRISING A PLENUM CHAMBER FOR RECEIVING MOLTEN NYLON FROM A SOURCE ADAPTED TO SUPPLY MOLTEN NYLON UNDER HIGH PRESURE, A DIE PLATE IN COMMUNICATION WITH SAID CHAMBER AND PROVIDED WITH A PLURALITY OF DIE ORIFICES THERETHROUGH ARRANGED TO RECEIVE MOLTEN NYLON FROM THE PLENUM CHAMBER AND TO SPIN THE SAME AS FILAMENTS, AND A FILTER PACK INTERPOSED BETWEEN THE PLENUM CHAMBER AND THE DIE PLATE COMPRISING WOVEN GLASS FILAMENT FABRIC SAID GLASS FILAMENT FABRIC HAVING A WEIGHT OIF 5 TO 50 OUNCES PER SQUARE YARD, A THREAD COUNT OF 20 TO 90 THREADS PER INCH IN BOTH DIRECTIONS, THE THREADS BEING SPUN FROM A NUMBER OF GLASS FILAMENTS HAVING INDIVIDUAL FABRIC AS A WHOLE BEING COMPACTED SO AS TO CLOSE THE FABRIC AS A WHOLE BEING COMPACTED SO AS TO CLOSE THE GROSS APERTURES AT THE CROSSOVERS IN THE WAVED OF THE FABRIC AND TO FORCE THE MOLTEN NYLON TO PASS THROUGH THE INTE
Claim 2
Dependent Claim
162 words
A SPINNERET FOR THE MELT-SPINNING OF THERMOPLASTIC NYLON, COMPRISING A PLENUM CHAMBER FOR RECEIVING MOLTEN NYLON FROM A SOURCE ADAPTED TO SUPPLY MOLTEN NYLON UNDER HIGH PRESURE, A DIE PLATE IN COMMUNICATION WITH SAID CHAMBER AND PROVIDED WITH A PLURALITY OF DIE ORIFICES THERETHROUGH ARRANGED TO RECEIVE MOLTEN NYLON FROM THE PLENUM CHAMBER AND TO SPIN THE SAME AS FILAMENTS, AND A FILTER PACK INTERPOSED BETWEEN THE PLENUM CHAMBER AND THE DIE PLATE COMPRISING WOVEN GLASS FILAMENT FABRIC SAID GLASS FILAMENT FABRIC HAVING A WEIGHT OIF 5 TO 50 OUNCES PER SQUARE YARD, A THREAD COUNT OF 20 TO 90 THREADS PER INCH IN BOTH DIRECTIONS, THE THREADS BEING SPUN FROM A NUMBER OF GLASS FILAMENTS HAVING INDIVIDUAL FABRIC AS A WHOLE BEING COMPACTED SO AS TO CLOSE THE FABRIC AS A WHOLE BEING COMPACTED SO AS TO CLOSE THE GROSS APERTURES AT THE CROSSOVERS IN THE WAVED OF THE FABRIC AND TO FORCE THE MOLTEN NYLON TO PASS THROUGH THE INTE
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |