Insole for shoe

Details Insole for shoe Insole for shoe

1984-09-14

1987-01-06

Schroeder, Werner H.

Boots, shoes, and leggings

Insoles

Laminated

A43B 1340

Patent

active

046335986

ABSTRACT:
An insole for use in athletic shoes comprises an upper layer, a lower layer laminated on the upper layer, and a shock-absorptive foamed material layer laminated on the underside of the lower layer at least at the heel portion. The upper layer has a hardness of 30.degree.-50.degree., and the lower layer has a hardness of 50.degree.-70.degree.. The shock-absorptive foamed material layer has a hardness of 50.degree.-80.degree..

REFERENCES:
patent: 3257742 (1966-06-01), Feiaberg
patent: 3300880 (1967-01-01), Campagna
patent: 3414988 (1968-12-01), Mattos
patent: 4054706 (1977-10-01), Shapiro
patent: 4167824 (1979-09-01), Wolpa
patent: 4187621 (1980-02-01), Cohen
patent: 4338734 (1982-07-01), Schwartz
patent: 4413429 (1983-11-01), Power
patent: 4513518 (1985-04-01), Jalbert et al.
patent: 4586273 (1986-05-01), Chapnick

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