Method and apparatus for stiffening shoe insoles

Details Method and apparatus for stiffening shoe insoles Method and apparatus for stiffening shoe insoles

1977-10-03

1979-07-17

Lawson, Patrick D.

Boot and shoe making

Processes

Miscellaneous parts

12 183, 12126, A43D 2100, A43D 3100, A43D 300

Patent

active

041610482

ABSTRACT:
A method and apparatus for forming a shoe shank directly on the bottom of a shoe insole from a strip of initially flexible, uncured thermosetting material encased in a sleeve. The machine includes a shoe jack for supporting the shoe assembly, bottom up, to expose the insole bottom to a radiant heater. Means are provided for automatically locating and placing a strip of shank material on the insole bottom and for raising the shoe assembly, together with the insole strip into engagement with a means for urging the shank strip against and into conformity with the contour of the insole bottom while the radiant heater is operated to activate the shank strip.

REFERENCES:
patent: 2472524 (1949-06-01), Donovan
patent: 2669734 (1954-02-01), Stacey
patent: 4000535 (1977-01-01), Barton

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