Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1984-10-04
1987-06-16
Bray, W. D.
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
72415, B21D 905
Patent
active
046728350
ABSTRACT:
An apparatus for bending sheet material is provided with a die having at least one longitudinally extending groove and a stamp having at least one linear contact zone for contacting the sheet material to be bent. The die and the stamp are movable towards each other. The die comprises at least one reciprocable die part adapted to define the size and the shape of the groove.
REFERENCES:
patent: 2312755 (1943-03-01), Dehn
patent: 3845655 (1974-11-01), Krieg
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