Shoe and process for sealing the sole area of a shoe

Details Shoe and process for sealing the sole area of a shoe Shoe and process for sealing the sole area of a shoe

1998-03-26

1999-11-30

Sewell, Paul T.

Boots, shoes, and leggings

Soles

Laminated

36 30A, 36 14, 36 32R, 12148, 12142E, 12142RS, 12146BR, A43B 114, A43B 912, A43B 916, A43D 2520

Patent

active

059920548

ABSTRACT:
A process which serves to seal and waterproof the outsole-side end area of a waterproof shoe shaft and/or to pad the outsole-side end of a shoe by putting a liquid, curable, filling material into the space between the insole and outsole is described. The outsole is provided with an input opening for putting in the filling material. The outsole is adhered to the shaft only in a circumferential area and in such a way that the outsole-side end area of the shaft remains unadhered. The liquid filling material is put in through the input opening, between the insole and the outsole, from where it flows into the outsole-side end area of the shaft due to its good flowability. The liquid material contains polyurethane precursor ingredients which react to form a foam polyurethane.

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patent: 5678326 (1997-10-01), Pavelescu
patent: 5890248 (1999-04-01), Gee

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