Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1982-05-03
1984-05-22
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
29423, 29558, 29559, 264138, 264219, 264223, B23C 500
Patent
active
044501307
ABSTRACT:
A method of fixturing a shoe component from a block of suitable material by forming a first cavity in the block to expose a first surface of the component, applying a release agent to the first surface of the component, placing a body of a rigid material in the first cavity so as to extend over the entire first surface and into the surfaces of the block for adherence thereof to the block of material, repositioning the block, forming a cavity in the repositioned block to initiate the shaping of the shoe component, attaching the shoe component in its unfinished state to the body of rigid material, continuing the formation of the shoe component to completion to free it from connection with the block of material, and releasing the thus completed shoe component from the body of rigid material.
REFERENCES:
patent: 2565758 (1951-08-01), Covino
patent: 3337945 (1967-08-01), Mooney
patent: 4104347 (1978-08-01), Ohashi et al.
patent: 4179484 (1979-12-01), Neefe
Brown Group, Inc.
Czaja Donald E.
Housel James C.
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