Injection molding machine for the manufacture of shoes

Details Injection molding machine for the manufacture of shoes Injection molding machine for the manufacture of shoes

1976-05-26

1978-01-17

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425547, B29F 110

Patent

active

040689956

ABSTRACT:
The invention provides improvements over such a conventional shoe-injection molding machine for molding a sole and attaching same to a prefabricated instep. It includes a stationary base plate, a machine frame made rigid therewith, a slide vertically movable on and along the machine frame, at least a head rotatable on the slide, a plurality of last supporting units adjustably mounted on the head and at least a sole mold assembly mounted on the base plate. According to the invention, the head is fitted with a liquid cooling system for cooling the latter from inside thereof. Further, an insulating sheet is provided between each of the last supporting units and the head for interrupting heat transmission from the unit to the head.

REFERENCES:
patent: 2478005 (1949-08-01), Novotny
patent: 3058152 (1962-10-01), Eldred et al.
patent: 3199149 (1965-08-01), Croyle
patent: 3225388 (1965-12-01), Hansjosten
patent: 3667883 (1972-06-01), Ludwig et al.

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