Process for producing crimped metal-coated filamentary materials

Details Process for producing crimped metal-coated filamentary materials Process for producing crimped metal-coated filamentary materials

1975-04-01

1977-08-16

Kendall, Ralph S.

Stock material or miscellaneous articles

Pile or nap type surface or component

With coating, impregnation, or bond

428 92, 428253, 428369, 428389, 428378, 428395, 428458, 428922, 427123, 427125, 427304, 427401, 28247, 28258, B05D 512, D02G 100

Patent

active

040427374

ABSTRACT:
Process for the production of a crimped metal-coated continuous-filament or a crimped yarn of a plurality of metal-coated filaments which filament or yarn is adapted for combination with other filaments to form an improved yarn for use in making anti-static fabrics, such as pile carpets or the like, wherein the continuous-filament or yarn comprising a plurality of filaments is first made into a knitted fabric, the fabric is treated to deposit a continuous metal coating on the filament or yarn thereof, and the coated fabric thus obtained is deknitted, thereby yielding the metal-coated continuous-filament or yarn in a crimped disposition characteristic of the knitted loop construction existing in the knit fabric. Heat treatment of the crimped filament or yarn after the metal-coating step significantly improves its anti-static properties when incorporated into fabric.

REFERENCES:
patent: 2907678 (1959-10-01), Bodmer et al.
patent: 3438106 (1969-04-01), Cohn et al.
patent: 3582445 (1971-06-01), Okuhashi
patent: 3582448 (1971-06-01), Okuhashi et al.
patent: 3666550 (1972-05-01), Okuhashi et al.
patent: 3686019 (1972-08-01), Ohfuka et al.
patent: 3792520 (1974-02-01), Weaver

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