Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1980-10-16
1982-11-02
Crosby, Gene
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72413, 72473, B21D 501, B21D 3710
Patent
active
043567185
ABSTRACT:
A tool for bending a sheet material into a L-like or Z-like section. A pair of bending members each having a bending edge and a rectangular cavity formed in juxtaposition are disposed movably toward and away from each other so that the bending edge of one of the bending members is movable into the cavity of the other bending member and vice versa. The cavity is of such a cross section that a major surface of the sheet material being bent is left free from the inner wall of the cavity.
REFERENCES:
patent: 71567 (1867-12-01), Barnard
patent: 171956 (1876-01-01), Seward
patent: 2792044 (1957-05-01), Strom
patent: 2965148 (1960-12-01), Oeckl
patent: 3495435 (1970-02-01), Hanni
Crosby Gene
Flocks Karl W.
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