Method of manufacturing shoes

Details Method of manufacturing shoes Method of manufacturing shoes

1987-01-08

1988-10-18

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

12 541, 12 531, 62374, F26B 500

Patent

active

047777338

ABSTRACT:
In a method of manufacturing shoes, shoes which are integrated by securing bottoms to ones assembled by joining the edges of uppers and insoles fitted to shoe lasts, are taken in a rapid freezing atmosphere cooled by liquefied gas, in which the surfaces thereof are cooled rapidly. The effect of rapid cooling makes it possible to manufacture shoes which maintain their shape when fitted in correspondence to the shoe lasts without causing any disfigurement thereafter as well as shortening the manufacturing time.

REFERENCES:
patent: 2781533 (1957-02-01), Quinn
patent: 3220033 (1965-11-01), Bromfield et al.
patent: 4304020 (1981-12-01), Bonnet et al.
patent: 4422198 (1983-12-01), Bichet
patent: 4528710 (1985-07-01), Simmonds et al.
patent: 4589264 (1986-05-01), Astrom
patent: 4627244 (1986-12-01), Willhoft

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