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US3609891A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for pressing of textile fabric continuously

Assignee: Kanegafuchi Spinning Co Ltd
•
Filing: 1969-12-19
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Granted: 1971-10-05
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Expires: 1989-12-19
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Abstract

Abstract AN IMPROVED METHOD AND APPARATUS FOR CARRYING OUT THE CONTINUOUS PRESSING OF TEXTILE FABRICS WITHOUT CREATING "PRESSING BELT MARKS" UPON THE FABRICS. DURING THE PRESSING OPERATION, THE INTERMEDIATE PORTIONS OF THE PARTICULAR LENGTH OF FABRIC BEING PRESSED IS PRESSED UNDER A UNIFORM HIGH TEMPERATURE WHILE THE END PORTIONS OF THE LENGTH OF FABRIC ARE SUBJECTED TO A DECREASING TEMPERATURE GRADIENT PROGRESSIVELY DECREASING FROM THE TEMPERATURE OF THE INTERMEDIATE PORTION TO A MUCH LOWER TEMPERATURE. THE END PORTIONS OF EACH LENGTH OF FABRIC ARE THEN SIMILARLY REHEATED DURING THE NEXT PRESSING CYCLE AND THE CUMULATIVE HEATING AND PRESSING OF THE END PORTIONS SUBSTANTIALLY EQUALS THAT APPLIED T THE INTERMEDIATE PORTION SO THAT NO "BELT MARKS" ARE CREATED. SEVERAL DIFFERENT MEANS FOR HEATING THE PRESSING PLATES OF THE INVENTION ARE ILLUSTRATED.

Inventors

  • 👤 Kazutomo Ishizawa
  • 👤 Akira Fukuoka
  • 👤 Akiyoshi Kawabata
  • 👤 Yasunori Nagata
  • 👤 Yoshiaki Uematsu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:11
CPC Classifications
D; D06; D06C; D06C15/00; D06C15/10; D06C2700/00; D06C2700/17

Claims Analysis

Total Claims: 0
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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) 1974-10-04 1975-04-05 1975-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-04 1979-04-05 1979-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-04 1983-04-05 1983-10-05 $7700.00 Window Closed / Lapsed

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