Machine for the direct soling of shoe uppers

Details Machine for the direct soling of shoe uppers Machine for the direct soling of shoe uppers

1984-10-22

1986-09-02

Schroeder, Werner H.

Boot and shoe making

Sole machines

Peripheral operation and automatically bodily moved shoe...

425129S, 425119, A43D 2520, B29F 110

Patent

active

046087249

ABSTRACT:
A machine for the direct soling of shoe uppers having at least one molding station is provided for conveniently and effectively removing the molding sprue from the die mold which typically remains after each injection molding process. Such is effected by disposing the heel end of each shoe last toward the front working end of the machine at which the operator is stationed. And, the injection molding unit provided for the machine includes a rotary valve which automatically closes as the feed passage of the unit is moved out of alignment with the mold cavity inlet passage, and is automatically open when the feed and inlet passages are aligned in an injection molding operating position of the unit.

REFERENCES:
patent: Re28721 (1976-02-01), Farrell
patent: 3097396 (1963-07-01), Ludwig
patent: 3172161 (1965-03-01), Trueblood
patent: 3191233 (1965-06-01), Linderoth, Jr.
patent: 3431600 (1969-03-01), Bullard et al.
patent: 3555609 (1971-01-01), Chu et al.
patent: 3994645 (1976-11-01), Funck
patent: 4068995 (1978-01-01), Hayashi et al.

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