Automatic drawing device

Details Automatic drawing device Automatic drawing device

1996-03-20

1997-08-26

Crane, Daniel C.

Metal deforming

By pulling workpiece through closed periphery die

Utilizing plural metal-deforming tools

72290, 72422, B21C 124, B21C 130

Patent

active

056600712

ABSTRACT:
A drawing device including a drawing block and a traction device, where the traction device includes two drive belts and an automatic engagement device. This automatic engagement device includes an auxiliary traction device propelled with power by the traction device.

REFERENCES:
patent: 1911157 (1933-05-01), Leech

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