Orthopedic insole and method of its manufacture

Details Orthopedic insole and method of its manufacture Orthopedic insole and method of its manufacture

1997-07-17

1998-05-05

Kavanaugh, Ted

Boots, shoes, and leggings

Insoles

Laminated

36174, 36140, A43B 1340, A61F 514

Patent

active

057460116

ABSTRACT:
An orthopedic insert (2) includes a stiffening base part (4) and thereupon a shock-absorbing upper part (8) extending substantially over the entire insert (2). At least backwards from a point about 1/3 from the forward edge of it, the shock-absorbing upper part is substantially uniformly thick. The base part (4) is formed with an upstanding wall (6) round the heel portion thereof for keeping the heel cushion in place. On its underside the insert has regions (14, 16) with material removed under the longitudinal and forward arches of the user's foot. A method of manufacturing such an insert is also a subject of the invention.

REFERENCES:
patent: 975576 (1910-11-01), Sexton
patent: 1146597 (1915-07-01), Scholl
patent: 1702531 (1929-02-01), Ambill
patent: 1843952 (1932-02-01), McBrearty
patent: 2979835 (1961-04-01), Scholl
patent: 4633598 (1987-01-01), Moronaga et al.
patent: 4782605 (1988-11-01), Chapnick
patent: 4901390 (1990-02-01), Daley
patent: 5282326 (1994-02-01), Schroer, Jr. et al.

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