Method of manufacturing a footwear

Details Method of manufacturing a footwear Method of manufacturing a footwear

1975-07-28

1977-06-28

Flint, Jr., J. Howard

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

425119, 249 95, 425129S, 264273, 264275, B29F 100, B29C 604

Patent

active

040326110

ABSTRACT:
In a method for manufacturing a footwear comprising placing in a mold assembly a preformed section of appropriate material forming part of the footwear in such a manner that a part of said preformed section protrudes into a molding cavity for molding another section of said footwear, injecting molding material into said cavity and thereby integrally connecting said preformed section with the latter section, an improvement comprising surely holding said protruded part of said preformed section in place in said molding cavity by means of a plurality of projections integrally extended from said mold assembly into said molding cavity.

REFERENCES:
patent: 3421183 (1969-01-01), Grimmeisen
patent: 3500502 (1970-03-01), Santelmann
patent: 3510912 (1970-05-01), Lane
patent: 3551956 (1971-01-01), Dosier
patent: 3574895 (1971-04-01), McIlvin
patent: 3590449 (1971-07-01), Whitley
patent: 3677678 (1972-07-01), Christie et al.
patent: 3840310 (1974-10-01), Klee et al.

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