Process and machine for the continuous production of an elastane

Details Process and machine for the continuous production of an elastane Process and machine for the continuous production of an elastane

1991-09-09

1992-10-13

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

Skip type stranding machines

57 6, 57282, D02G 300, D02G 332

Patent

active

051540444

ABSTRACT:
An apparatus and process for continuous production of a covered elastane-based yarn is shown in which a partially stretched multi-filament yarn is twisted about a tensioned bare elastane yarn, at less than 500 revolutions per meter, and then heated and stretched again to complete the residual stretching of both parts of the covered yarn.

REFERENCES:
patent: 3540204 (1970-11-01), Tanaka et al.
patent: 3775961 (1973-12-01), Womer
patent: 3844103 (1974-10-01), Sasaki et al.
patent: 3914930 (1975-10-01), Jenkins
patent: 3921382 (1975-11-01), Tsujita et al.
patent: 3983687 (1976-10-01), Lewis
patent: 4125530 (1980-08-01), Beau et al.
patent: 4215529 (1980-08-01), Gerbracht
patent: 4334401 (1982-06-01), Bahia

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