Progressive stamping apparatus and method

Details Progressive stamping apparatus and method Progressive stamping apparatus and method

2006-05-02

2006-05-02

Davis, Robert B. (Department: 1722)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Deforming the surface only

C425S385000

Reexamination Certificate

active

07037458

ABSTRACT:
In some embodiments, an apparatus includes a first stamp to apply pressure to a mold at a first portion of the mold, and a second stamp to apply pressure to the mold at a second portion of the mold that is adjacent to the first portion of the mold.

REFERENCES:
patent: 3115678 (1963-12-01), Keen
patent: 4761253 (1988-08-01), Antes
patent: 5176922 (1993-01-01), Balsano et al.
patent: 6048191 (2000-04-01), Beltrami
patent: 6444500 (2002-09-01), Shinma
patent: 6563207 (2003-05-01), Shinma
patent: 1068945 (2001-01-01), None
patent: 2642458 (1990-08-01), None

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