Boots – shoes – and leggings – Insoles – Laminated
Patent
1989-12-01
1991-04-02
Meyers, Steven N.
Boots, shoes, and leggings
Insoles
Laminated
36 71, A43B 1340
Patent
active
050037080
ABSTRACT:
A custom insole is made up of a plurality of layers of a thermoformable material united together at their interfaces to conform in size and contour to the bottom surface of a foot, the layers comprising at least one strength layer and at least one filler layer united to the strength layer and contoured to conform to the bottom surface of the foot; and an arch flange curves upwardly for a distance to laterally support the bone structure in the arch area of the foot. In the method of making the insole, an unformed blank of thermoformable material is placed on a resilient support portion with the ball portion on a firm surface and, by placing the foot on top of the layers and applying downward pressure, it will cause the heel of the foot to form a depression in the heel portion and the ball portion of the foot to flatten out the layers resting on the firm surface. When the foot is removed, the blank is removed and the bottom surface beneath the heel is flattened to align it with the flat undersurface of the ball portion of the insole.
REFERENCES:
patent: 2457737 (1948-12-01), Scholl
patent: 3825017 (1974-07-01), Scrima
patent: 3895405 (1975-07-01), Edwards
patent: 4232457 (1980-11-01), Mosher
patent: 4586273 (1986-05-01), Chapnick
patent: 4627179 (1986-12-01), McElroy
patent: 4633598 (1987-01-01), Moronaga et al.
patent: 4642912 (1987-02-01), Wildman et al.
patent: 4702255 (1987-10-01), Schenkl
Dynamic Foam Products, Inc.
Meyers Steven N.
Reilly John E.
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