Shoe sole molds

Details Shoe sole molds Shoe sole molds

1979-05-22

1980-08-12

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

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

Female mold type means

249 83, 249 96, 264244, 425119, B29C 100, B29C 114, B29H 708

Patent

active

042170818

ABSTRACT:
A mold for forming an article having a complex shape such as a unitary sole and heel tread member for a shoe and method of making same wherein the article to be cast is formed from a material which is injected into the mold in a hot fluid form. The mold for such an article comprises an upper and a lower mold member, which together define a complete shoe sole mold cavity. Each upper or lower mold member may consist of several intermating sections. The lower mold however, comprises a cavity having sufficient depth around its periphery to permit insertion of an inverted decorative welt plus a second decorative piece placed against the wall of the cavity. The upper mold has a cavity which basically defines the tread of the sole, and the two molds interface to provide a tight seal during the shoe sole molding operation.

REFERENCES:
patent: 3042975 (1962-07-01), Bingham, Jr. et al.
patent: 3705934 (1972-12-01), Giannini
patent: 3813201 (1974-05-01), Frederick et al.

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