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US 4,547,423 AGranted
Textile for clothes
AssigneesSony Corporation, Seiren Co., Ltd., Asahi Kasei Kogyo Kabushiki Kaisha
InventorsAkira Kojima, Saburo Yoshida, Yoshio Yamada, Seiji Shioda, Kazumi Isoshima
Life of this patent
Estimating the term…
Abstract
A material for clothes is disclosed which is formed of a base cloth and a porous film having a number of very fine pores and coated on at least one surface of the base cloth. In this case, the pores are made to have a diameter about 0.1 to 5 .mu.m and the material has the percentage of dust permeation less than 50% for the dust with size larger than 0.3 .mu.m and moisture permeability more than 2500 g/m.sup.2 /24 hrs.
Claims11
A material for clothes comprising:
- a base cloth;
- and
- a porous film having a number of very fine pores and formed on at least one surface of said base cloth, said pores being made to have a diameter about 0.1 to 5 .mu.m, said material having a percentage of dust permeation less than 50% for a dust with a size larger than 0.3 .mu.m, a moisture permeability more than 2500 g/m.sup.2 /24 hrs, and having means incorporated therein for preventing said material from being electrically charged.
Dependencies are inferred from the claim text.