Method and apparatus for forming a sole on an upper by dip-coati

Details Method and apparatus for forming a sole on an upper by dip-coati Method and apparatus for forming a sole on an upper by dip-coati

1977-05-03

1978-06-13

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264244, 264301, 425 93, 425119, 425129S, B29C 1300, B29C 500

Patent

active

040949508

ABSTRACT:
A system is disclosed for making articles of footwear by the so-called dipping process. The system comprises placing under a last a mould for a sole and/or heel. When the last and mould are dipped in molten plastics material, the material solidifies to form a thin skin on the last in the usual way and is contained in the mould until it sets to form the relatively heavy sole and/or heel. The mould contains the molten plastics either by virtue of being provided with peripheral walls or, for thinner soles, by virtue of friction preventing the molten material from escaping. The mould may be constituted by an element to which the plastics material adheres and becomes part of the sole unit. SU

REFERENCES:
patent: 762024 (1904-06-01), Butterfield
patent: 1867881 (1932-07-01), Crockett
patent: 2617208 (1952-11-01), Marx et al.

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