Die device

Details Die device Die device

1990-01-16

1991-04-16

Jones, David

Metal deforming

By relatively movable offset tool-faces

Embodying three or more coacting relatively movable tools

72389, 72449, 72482, B21D 502

Patent

active

050072781

ABSTRACT:
This invention relates to a die device for the die bending of metal plates (sheet), with two shafts (4, 5), supported rotatable around their lengthwise axis, flattened on one side, and arranged side by side, parallel lengthwise. In particular, in order to be able to produce even bending legs with a length less than the radius of the shaft, in the die device according to the invention, the rotation of the shafts in opposite directions is force-coupled by coupling mechanism (6-10).

REFERENCES:
patent: 2343082 (1944-02-01), Proctor
patent: 2401652 (1946-06-01), Mizrach
patent: 3306093 (1967-02-01), Sassak
patent: 3834206 (1974-09-01), Lamontagne
patent: 4640113 (1987-02-01), Dieperink et al.
"One Di-Acro Rol-Form Die", Di-Acro, 1958, 4 pages.

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