Sealed waterproof footwear

Details Sealed waterproof footwear Sealed waterproof footwear

1994-09-13

1997-11-11

Dayoan, B.

Boots, shoes, and leggings

Uppers

Linings

36 10, A43B 2307

Patent

active

056850913

ABSTRACT:
A waterproof footwear article is provided having a layer of a two component polyurethane system located above the insole board. The polyurethane system also may penetrate the connecting region between the insole board and footwear upper. A process of waterproofing a footwear article is also provided which includes the step of introducing a two component polyurethane system into the interior of the footwear article and optionally applying forces to cause the polyurethane system to penetrate the various article layers.

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patent: 5289644 (1994-03-01), Driskill et al.
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