Method for making fire retardant zipper

Details Method for making fire retardant zipper Method for making fire retardant zipper

1977-08-01

1978-09-05

Gwinnell, Harry J.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 17, 8171, 427354, 427390D, 427430R, C09K 328, D06P 500

Patent

active

041116470

ABSTRACT:
A method for making a fire retardant coil zipper is disclosed. The method involves using a fire retardant material bath exhaust process, that is, immersing the zipper in an aqueous bath of the fire retardant material and heating the bath under pressure to thereby impregnate the zipper with the fire retardant material while exhausting the bath.

REFERENCES:
patent: T916008 (1973-11-01), Rothwell
patent: T928001 (1974-11-01), Blackwell
patent: 1837150 (1931-12-01), Dreyfus
patent: 2334000 (1943-11-01), Hamm
patent: 2662834 (1953-12-01), Paist
patent: 3236676 (1966-02-01), Coates et al.
patent: 3814624 (1974-06-01), Scarborough
patent: 3939547 (1976-02-01), Bernier et al.
Schmidlin, Preparation and Dyeing of Synthetic Fibres, pp. 106-109 (1963).

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