Patent FR456313A successfully refreshed from Google Patents.
Patent US3038779A successfully refreshed from Google Patents.
US3038779A
Expired / Lapsed
US
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Method for simultaneously producing fibers of different denier and similar crimp
Assignee: Phrix Werke AG
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Filing: 1959-08-03
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Granted: 1962-06-12
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Hechler Georg
- 👤 Weber Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:35
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01D; D01D4/00; D01D4/02; D01D5/00; D01D5/06; D01D5/22; D01G; D01G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A METHOD FOR SIMULTANEOUSLY PRODUCING EXTRUDED FIBERS OF DIFFERENT DENIER AND SIMILAR CRIMP CHARACTERISTICS, STHE STEPS OF EXTRUDING A PREDETERMINED AMOUNT OF FIBERFORMING LIQUID SO AS TO FORM A PREDETERMINED NUMBER OF FIBERS OF RELATIVELY SMALL DENIER AND HAVING A PREDETERMINED TOTAL CROSS-SECTIONAL AREA; SIMULTANEOUSLY EXTRUDING AN EQUAL AMOUNT OF FIBER-FORMING LIQUID SO AS TO FORM A PLURALITY OF FIBERS OF RELATIVELY LARGE DENIER AND HAVING A TOTAL CROSS-SECTIONAL AREA GREATER THAN SAID PREDETERMINED TOTAL CROSS-SECTIONAL AREA, SO THAT SAID FIBERS OF RELATIVELY SMALL DENIER WILL BE EXTRUDED AT A GREATER SPEED THAN SAID FIBERS OF RELATIVELY LARGE DENIER; AND PULLING AND TAKING UP ALL OF THE THUS EXTURDED FIBERS OF SUBSTANTIALLY EQUAL SPEED WHEREBY SAID FIBERS OF SMALLER DENIER WILL BE STRETCHED LESS THAN SAID FIBERS OF LARGER DENIER SO THAT THE LY SIMILAR.
Claim 2
Dependent Claim
136 words
IN A METHOD FOR SIMULTANEOUSLY PRODUCING EXTRUDED FIBERS OF DIFFERENT DENIER AND SIMILAR CRIMP CHARACTERISTICS, STHE STEPS OF EXTRUDING A PREDETERMINED AMOUNT OF FIBERFORMING LIQUID SO AS TO FORM A PREDETERMINED NUMBER OF FIBERS OF RELATIVELY SMALL DENIER AND HAVING A PREDETERMINED TOTAL CROSS-SECTIONAL AREA; SIMULTANEOUSLY EXTRUDING AN EQUAL AMOUNT OF FIBER-FORMING LIQUID SO AS TO FORM A PLURALITY OF FIBERS OF RELATIVELY LARGE DENIER AND HAVING A TOTAL CROSS-SECTIONAL AREA GREATER THAN SAID PREDETERMINED TOTAL CROSS-SECTIONAL AREA, SO THAT SAID FIBERS OF RELATIVELY SMALL DENIER WILL BE EXTRUDED AT A GREATER SPEED THAN SAID FIBERS OF RELATIVELY LARGE DENIER; AND PULLING AND TAKING UP ALL OF THE THUS EXTURDED FIBERS OF SUBSTANTIALLY EQUAL SPEED WHEREBY SAID FIBERS OF SMALLER DENIER WILL BE STRETCHED LESS THAN SAID FIBERS OF LARGER DENIER SO THAT THE LY SIMILAR.
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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |