Waterproof footwear

Details Waterproof footwear Waterproof footwear

1988-07-08

1990-02-13

Schroeder, Werner H.

Boots, shoes, and leggings

Sole-attaching means

Rubber

36 12, 36 55, A43C 1308

Patent

active

048994650

ABSTRACT:
Footwear consisting of an insole, an upper sewn to the insole, a lining for lining the upper which is also sewn to the insole and has microporous functional layer that is waterproof and permeable to water vapor, and a waterproof plastic sole which is injection-molded to the bottom side of the insole and the lower portion of the upper and encloses the seam region. The lower portion of the upper which is adjacent to the insole is formed by a porous material that is adapted to be penetrated by the plastic sole material which is liquid during the injection molding operation.

REFERENCES:
patent: 3175308 (1965-03-01), Werman
patent: 3365821 (1968-01-01), Cottier
patent: 4523346 (1985-06-01), Auberry
patent: 4819345 (1989-04-01), Mulcahy

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