Molding footwear lasts

Details Molding footwear lasts Molding footwear lasts

1975-12-31

1977-08-30

Lawson, Patrick D.

Boot and shoe making

Processes

Miscellaneous parts

A43D 0000

Patent

active

040444171

ABSTRACT:
Footwear lasts are molded by preparing an oversized model of the last to be molded; isolating, applying mold release to, and covering with liquid ISP at least first and second surface portions of the model; allowing the ISP cure to form at least first and second mold portions; and using the mold portions to mold plastic lasts.

REFERENCES:
patent: 2330260 (1943-09-01), Baxter
patent: 3157899 (1964-11-01), Bingham
patent: 3696456 (1972-10-01), Dunham et al.
patent: 3724014 (1973-04-01), Bennett et al.

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