Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-01-07
1987-01-13
Van Balen, William J
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427245, 428246, 428286, 4283155, 4283159, 4283166, 4284231, B32B 518, B32B 522, B32B 714, B32B 2740
Patent
active
046364242
ABSTRACT:
A moisture-permeable waterproof laminated fabric comprising a water-repellant base fabric and at least one porous film provided on one surface of the base fabric. The porous film is formed of a synthetic polymer composed chiefly of a polyamino acid urethane resin and has numerous fine pores provided by microcells which are continuous in the direction of its thickness. The laminated fabric has satisfactory waterproofness and moisture permeability as required for munition, survival and sport uses.
REFERENCES:
patent: 4429000 (1984-01-01), Naka et al.
patent: 4539255 (1985-09-01), Sato et al.
Amemiya Kunio
Kamemaru Ken'ichi
Nakagawa Kiyoshi
Tanaka Mikihiko
Farley Joseph W.
Unitika Ltd.
Van Balen William J
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