Process for high frequency heat sealing of textile sheet members

Details Process for high frequency heat sealing of textile sheet members Process for high frequency heat sealing of textile sheet members

1980-01-07

1981-06-30

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156148, 156296, 1563084, 156321, 219 1053, B29C 2704

Patent

active

042761093

ABSTRACT:
Process for forming seams in textile structures free of individually high frequency heat sealable components. Textile structure is subjected to a high frequency current to produce seams. Structure contains first fiber component that does not become thermoplastic within the field, but becomes heated. A second fiber component becomes thermoplastic from heat generated in the first component. First component may be polyacrylonitrile; second may be polyester, texturized polyester silk or polypropylene. A third component may be added for reinforcement and fluffiness.

REFERENCES:
patent: 2987101 (1961-06-01), Luker
patent: 3336173 (1967-08-01), Renfroe
patent: 3574031 (1971-04-01), Heller, Jr. et al.
patent: 3741845 (1973-06-01), Castagna

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