Apparatus for injection of a sole of two moldable materials for

Details Apparatus for injection of a sole of two moldable materials for Apparatus for injection of a sole of two moldable materials for

1976-12-20

1978-05-23

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

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

Female mold type means

425129S, 425130, 425588, B29F 112

Patent

active

040908313

ABSTRACT:
A two color shoe sole is molded onto a lasted upper by first molding the outer sole portion remote from the lasted upper, and then forming a mold cavity with the lasted upper and the outer sole portion to mold the inner sole portion, which interconnects the upper and outer sole portion. This facilitates the formation of profiled shoe soles, e.g., basketball shoes having ridges and grooves in their bottom surfaces.

REFERENCES:
patent: 3319300 (1967-05-01), Hehl
patent: 3474496 (1969-10-01), Klee
patent: 3500502 (1970-03-01), Santelmann
patent: 3555609 (1971-01-01), Chu et al.
patent: 3671621 (1972-06-01), Fukuoka
patent: 3682579 (1972-08-01), Hujik
patent: 3709973 (1973-01-01), Maltby
patent: 3751200 (1973-08-01), Borisuck

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