Method for stiffening shoe insoles

Details Method for stiffening shoe insoles Method for stiffening shoe insoles

1978-05-30

1980-10-28

Lawson, Patrick D.

Boot and shoe making

Processes

Miscellaneous parts

36 76C, A43D 000

Patent

active

042298512

ABSTRACT:
An apparatus for forming a shoe shank directly on the bottom of a shoe insole from a strip of initially flexible, uncured thermosetting material includes a radiant heater and resilient means for engaging the shank strip to orient, retain and resiliently urge the shank strip against the insole bottom while the radiant heater activates the shank strip.

REFERENCES:
patent: 2151974 (1939-03-01), Kennison et al.
patent: 2294982 (1942-09-01), Hathaway
patent: 2352520 (1944-06-01), Dawson

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