Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1998-04-24
2000-05-30
Stryjewski, William
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
57404, D01H 400
Patent
active
060677856
ABSTRACT:
A method is disclosed for spinning polyester staple to produce dark dyeing yarns as compared to yarns having an otherwise similar composition. The method includes spinning polyester staple into yarn, in which the polyester includes between about 0.5 and 4 percent by weight of polyethylene glycol, into yarn in a rotor spinning machine at a rotor speed of between about 110,000 and 120,000 rpm and at a tension of between about 2.5 and 3.2 grams/tex. A resulting polyester fiber is also disclosed of between about 1.2 and 2.25 denier per filament, and that contains between about 0.5 and 4 percent by weight of polyethylene glycol, and with a fiber tenacity of 4.7 grams per denier or less.
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Moore Winston Patrick
Russell David Michael
Usher, Jr. Robert Alton
Stryjewski William
Summa, Patent Attorney Phillip
Wellman, Inc.
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