Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1993-02-17
1993-10-05
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72446, 72478, 72481, B21D 502
Patent
active
052494527
ABSTRACT:
A master brake die has a pair of adjustable die shoes. First and second shim packages each having a plurality of shims of a preselected width are positioned adjacent a respective die shoe and moveable therewith. A preselected number of shims from each shim package is controllably moved into an operative position between a stop surface and a respective die shoe.
REFERENCES:
patent: 4356718 (1982-11-01), Makino
patent: 4366698 (1983-01-01), Gill
patent: 4532792 (1985-08-01), Hongo
patent: 4638665 (1987-01-01), Benson et al.
patent: 5022248 (1991-06-01), Brooks et al.
patent: 5040401 (1991-08-01), Ireland
Baldwin John B.
Draper David R.
Caterpillar Inc.
Jones David
Rhoads Kenneth A.
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