Orthopedic supporting member, particularly orthopedic shoe inser

Details Orthopedic supporting member, particularly orthopedic shoe inser Orthopedic supporting member, particularly orthopedic shoe inser

1986-02-18

1987-12-29

Schroeder, Werner H.

Boots, shoes, and leggings

Insoles

Laminated

36 43, 128595, A43B 1338

Patent

active

047151315

ABSTRACT:
An orthopedic support part of synthetic plastic material is composed of polyethylene terephthalate and has zones of different stiffnesses. A method of manufacturing of the orthopedic support part includes injection casting of polyethylene terephthalate, and provision of different temperatures in an injection casting tool for obtaining the zones of different stiffnesses.

REFERENCES:
patent: 1142848 (1915-06-01), Scholl
patent: 1369375 (1921-02-01), Barrett
patent: 2330398 (1943-09-01), Vass
patent: 3861398 (1975-01-01), Leydecker
patent: 4133117 (1979-01-01), Bradley
patent: 4231169 (1980-11-01), Toyama et al.
patent: 4241124 (1980-12-01), Kremer et al.
patent: 4517981 (1985-05-01), Santopietro et al.
patent: 4520581 (1985-06-01), Irwin et al.
patent: 4581524 (1986-04-01), Hoekman et al.
patent: 4602442 (1986-07-01), Revill et al.

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