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US3609836A Expired / Lapsed US ⏱️ 0.0 years remaining

Textile drafting system

Assignee: Burlington Industries Inc
•
Filing: 1969-07-18
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Granted: 1971-10-05
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Expires: 1989-07-18
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Abstract

Abstract A TEXTILE SYSTEM FOR DEBONING, COMBING AND/OR DRAFTING A WEB OF CUT FIBERS INTO A HOMOGENEOUS SILVER, THE SILVER HAVING THE CUT FIBERS RANDOMIZED AND PARALLEL WITH LITTLE OR NO TURNBACKS WHEREBY THE SLIVER MAY BE QUICKLY COILED OR UTILIZED IN A SUBSEQUENT TEXTILE OPERATION. THE TEXTILE SYSTEM COMPRISES AN IN-LINE APPARATUS INCLUDING A PIN OR GILL DRAFTING MEANS FOR PERFORMING A GILLING OPERATION TO DEBOND THE CUT OR FRACTURE TOW, STRAIGHTEN THE TURN BACK FIBERS, AND RANDOMIZE THE SAME WHILE ALSO PERFORMING A DRAFTING OPERATION, AND AN APRON DRAFTING MEANS FOR FURTHER DRAFTING THE FIBERS AND STRAIGHTENING THE FIBERS AS THEY ARE REMOVED FROM THE GILLING OPERATION. THE APRON DRAFTING MEANS CONTROLS THE FIBERS IN SUCH A MANNER THAT THE FIBERS MAY BE DRAFTED AT A HIGHER DRAFT THAN THE DRAFTING AT THE PIN OR GIL DRAFTING MEANS WITH THE FIBERS BEING CAPABLE OF BEING DRAWN FROM THE APRON DRAFTING MEANS WITH PRESSURE ON SUBSTANTIALLY THEIR ENTIRE LENGTH AND WITHOUT BREAKING OF THE FIBERS.

Inventors

  • 👤 Elbert F Morrison
  • 👤 Raymond D Joy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:33
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/02

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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