Reinforced heel orthotic insert

Details Reinforced heel orthotic insert Reinforced heel orthotic insert

1985-04-03

1987-04-07

Schroeder, Werner H.

Boots, shoes, and leggings

Insoles

Laminated

36 76C, A43B 1338

Patent

active

046549846

ABSTRACT:
A rigid orthotic insert having a reinforcing structure for the heel made up of a plurality of layers, each layer having graphite fibers positioned parallel to one another and oriented along an axis skewed from the longitudinal axis of the insert.

REFERENCES:
patent: 2644250 (1953-07-01), Ciaio
patent: 3426245 (1968-12-01), Ferreira
patent: 4023801 (1977-05-01), Van Auken
patent: 4231169 (1980-11-01), Toyama et al.
patent: 4232457 (1980-11-01), Mosher
patent: 4338734 (1982-07-01), Schwartz
patent: 4368234 (1983-01-01), Palmer et al.
patent: 4435910 (1984-03-01), Marc
patent: 4439934 (1984-04-01), Brown
patent: 4520581 (1985-06-01), Irwin et al.

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