High temperature resistant sewing thread and method of forming s

Details High temperature resistant sewing thread and method of forming s High temperature resistant sewing thread and method of forming s

1981-11-20

1984-02-14

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Multifilament yarns

57250, 57295, 57903, 57908, 57351, D01H 1326, D01H 300

Patent

active

044308531

ABSTRACT:
In accordance with the invention there is provided a synthetic sewing thread of multifilament construction characterized by its ability to lessen the buildup of heat at the needle of a high speed sewing machine during the operation thereof, even during the sewing of relatively heavy weight fabrics, so as to allow the thread to be utilized as a substitute for the sewing threads conventionally required in high temperature sewing applications, such as cotton spun yarns or cotton sheathed core yarns. The thread comprises a plurality of texturized continuous synthetic filaments, the filaments having a nonlinear crimped configuration providing bulk to the thread and being entangled with one another along the length of the thread and being further bound together by twist. The thread has a heat protective lubricant coating applied thereto and penetrating the filament bundle.

REFERENCES:
patent: Re29572 (1978-03-01), Usdan
patent: 3041816 (1962-07-01), Stuewer
patent: 3150481 (1964-09-01), Bilsky et al.
patent: 3879928 (1975-04-01), Usdan
patent: 4004329 (1977-01-01), London et al.
patent: 4011640 (1977-03-01), Keith
patent: 4016715 (1977-04-01), London
patent: 4069564 (1978-01-01), Trifunovic et al.

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