Document Type and Number:
Japanese Patent JPS5432386
Kind Code:
B2
Abstract:
An inner shoe for skiing boots or for use with shellike uppers of skiing boots, which inner shoe comprises a wall which consists at least in part of porous, e.g., foamed, particularly closed-cell elastic material, preferably plastics material, such as polyurethane, polyisoprene or polybutadiene, characterized in that the wall is peripherally entirely closed and has above the sole adjacent to the heel and/or instep of the foot portion which extends as far as to the upper edge of the inner shoe and has in the peripheral direction a higher extensibility, than the remaining portions of said wall, and in that that portion of said wall which has a higher extensibility is divided into laminations, which extend transversely to the peripheral direction and are joined in alternation on the inside and outside of the inner shoe to form accordion folds.
Application Number:
JP9373177A
Publication Date:
October 13, 1979
Filing Date:
August 04, 1977
Export Citation:
International Classes:
A43B19/00; A43B5/04; A43B23/04; A43C11/00