Sole for shoes and process for producing said sole

Details Sole for shoes and process for producing said sole Sole for shoes and process for producing said sole

1981-07-01

1985-04-16

Schroeder, Werner H.

Boots, shoes, and leggings

Boots and shoes

Made of material other than leather

36 115, 36 31, 36 33, 36103, A43B 1308, A43B 1314

Patent

active

045107025

ABSTRACT:
The sole for shoes comprises at least a substantially rigid rear portion and a flexible front portion connected with said rear portion approximately at the area of the ball of the foot. One of said both portions, preferably the rear portion, consists of a material having a cell structure, the cells of this portion being at least partially opened at the connecting surface with the other portion. This other portion, preferably the front portion, is formed of a synthetic plastics material being connected with said first portion by foaming thereto. Suitably the portion foamed onto the other portion consists of polyurethane.

REFERENCES:
patent: 1136458 (1915-04-01), Woodward
patent: 1148584 (1915-08-01), Gerrish
patent: 2607133 (1952-08-01), Marlowe
patent: 2697255 (1954-12-01), Lindemann
patent: 3228124 (1966-01-01), Schwarz
patent: 3952429 (1976-04-01), Thomas
patent: 4167824 (1979-09-01), Wolpa
patent: 4177582 (1979-12-01), Ehrlich, Jr.
patent: 4335528 (1982-06-01), Watanabe

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