Method and device for the manufacture of footwear

Details Method and device for the manufacture of footwear Method and device for the manufacture of footwear

1983-08-11

1985-06-18

Schroeder, Werner H.

Boot and shoe making

Forms

Lasts

12133B, 12145, 264244, 425129S, A43D 300, A43D 6502, A43D 6500

Patent

active

045233462

ABSTRACT:
The disclosure relates to the manufacture of footwear with direct molded elastomeric soles wherein the last is built up in the center region to provide a sole which appears thick externally, yet is thin and relatively lightweight in its center region. The last includes grooves over the region of the stitches securing the upper to the welt to seal and waterproof the footwear in the region of the stitches by permitting the sole material, when molding takes place, to flow over the stitches.

REFERENCES:
patent: 1121236 (1914-12-01), Dunbar
patent: 2799034 (1957-07-01), Crowell et al.
patent: 3315317 (1967-04-01), Winkler
patent: 3449190 (1970-03-01), Ludwig
patent: 3676542 (1972-07-01), Maltby
patent: 3696455 (1972-10-01), Batchelder et al.

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