Process for textured yarn

Details Process for textured yarn Process for textured yarn

1977-03-18

1979-11-27

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With crimping or crinkling of strands of filaments

264177F, D642108, D01D 522

Patent

active

041761502

ABSTRACT:
A textured melt-spun filament having alternate S-twisted and Z-twisted helical sections connected by twist reversal regions, the filament having a cross-section comprising a spiral wherein the outer portion of the spiral lies at the inside of the helical sections.

REFERENCES:
patent: 2945739 (1960-07-01), Lehmicke
patent: 3323168 (1967-06-01), Drunen et al.
patent: 3509009 (1970-04-01), Hartmann
patent: 3558420 (1971-01-01), Opfell
patent: 3623939 (1971-11-01), Ono et al.
patent: 3630816 (1971-12-01), Parker
patent: 3946100 (1976-03-01), Davis et al.
patent: 3987136 (1976-10-01), Schippers
patent: 4019311 (1977-04-01), Schippers
patent: 4055696 (1977-10-01), Kamado et al.

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