Apparatus for making custom insoles

Details Apparatus for making custom insoles Apparatus for making custom insoles

1989-12-01

1990-12-25

Meyers, Steven N.

Boot and shoe making

Processes

Moccasins

425 2, B29C 1700

Patent

active

049792520

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: D214302 (1969-06-01), Barber
patent: 2891285 (1959-06-01), Kaplan
patent: 2911657 (1959-11-01), Streeter, III
patent: 2962086 (1960-11-01), Waltimyer
patent: 3355753 (1967-12-01), Lagana
patent: 4520581 (1985-06-01), Irwin et al.
patent: 4522777 (1985-06-01), Peterson
patent: 4566449 (1986-01-01), Smith

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