Sole for shoes and process for producing said sole
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United States of America Patent
Stats
-
Apr 16, 1985
Grant Date -
N/A
app pub date -
Jul 1, 1981
filing date -
Jul 1, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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