Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1980-08-08
1982-03-16
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57227, 57289, 57350, 57908, 28271, D02G 334, D02J 108
Patent
active
043194478
ABSTRACT:
A bulky continuous filament yarn, in which continuous filament core yarns of polymeric material are substantially straight and free from loops and comprise from about 65 to about 93 percent of the total filaments by weight while the remainder of the total filaments are continuous filament effect yarns having a denier per filament of up to 5.0 that are inserted between the filaments of the core yarn and protrude from the surface of the core yarn in a mixture of crunodal and arch-like loops, is made by feeding a larger denier yarn at low overfeed and a much smaller denier yarn at low to moderate overfeed through a jet supplied with ambient air.
REFERENCES:
patent: 3410076 (1968-11-01), Dyer
patent: 3447302 (1969-06-01), Field
patent: 3812668 (1974-05-01), Wilson
patent: 3971202 (1976-07-01), Windley
patent: 4038811 (1977-08-01), Ansin
patent: 4069656 (1978-01-01), Arai
patent: 4081887 (1978-04-01), Holden
E. I. Du Pont de Nemours and Company
Watkins Donald
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