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US3038779A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for simultaneously producing fibers of different denier and similar crimp

Assignee: Phrix Werke AG
•
Filing: 1959-08-03
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Granted: 1962-06-12
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Expires: 1979-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Hechler Georg
  • 👤 Weber Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:15
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)

US1883347A Cited
US2233418A Cited
US2262872A Cited
US2461094A Cited
US2673368A Cited

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

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