Orthotic insert

Details Orthotic insert Orthotic insert

1985-04-03

1986-09-09

Kee Chi, James

Boots, shoes, and leggings

Insoles

Laminated

36 76C, 36 80, 12146M, 12146S, 128614, 428408, A43B 1338

Patent

active

046101012

ABSTRACT:
An orthotic insert formed of a plurality of layers bonded to one another. Some of the layers are made from fiberglass reinforced plastic, having the fibers oriented at 45.degree. from the longitudinal axis. At least one of the layers is made of parallel graphite fibers, having an axis of orientation offset from the longitudinal axis of the insert.

REFERENCES:
patent: 2644250 (1953-07-01), Ciaio
patent: 4023801 (1977-05-01), Van Auken
patent: 4186499 (1980-02-01), Massok, Jr. et al.
patent: 4231169 (1980-11-01), Toyama et al.
patent: 4338734 (1982-07-01), Schwartz
patent: 4368234 (1983-01-01), Palmer et al.
patent: 4439934 (1984-04-01), Brown
patent: 4520581 (1985-06-01), Irwin et al.
The Runner, Nov. 1982, Paying Through the Feet by Hal Higdon, pp. 86, 87, 88, 89 and 90.

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