Bending tool

Details Bending tool Bending tool

1976-06-21

1978-08-15

Lanham, C.W.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72448, B21D 706

Patent

active

041063236

ABSTRACT:
A bending device comprising a bar for connection at one end to a ram of a bending press, the bar having a tapered end fitting into a bending matrix fitted with a displaceable jaw. A sheet of metal placed on the matrix is bent by the bar which is forced down by the ram into a longitudinal groove of the matrix. Means are provided at the side of the matrix to determine the limiting plane of the groove and thereby control the angle and further means vary the depth of the groove.

REFERENCES:
patent: 391408 (1888-10-01), Fitzberger
patent: 2199864 (1940-05-01), Wehr
patent: 2456856 (1948-12-01), Bath
patent: 2826947 (1958-03-01), Creek
patent: 3844156 (1974-10-01), Hanni
patent: 3965721 (1976-06-01), Roch
patent: 3978706 (1976-09-01), Nakagawa

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