Combined blank forming and bending tool

Details Combined blank forming and bending tool Combined blank forming and bending tool

1978-06-13

1979-12-11

Gilden, Leon

Metal deforming

With cutting

By composite tool

30229, 30258, 72409, B21D 3102

Patent

active

041776640

ABSTRACT:
A tool for sheet metal or the like and for partially cutting blanks from a margin of a workpiece, such as a sheet metal pipe end, and simultaneously and accurately bending the partially cut blank at a substantially right angle to its original position in the plane of the workpiece without distorting the adjacent metal and with one motion of the handles of the tool.

REFERENCES:
patent: 170658 (1875-12-01), Berridge
patent: 591999 (1897-10-01), Carter
patent: 812645 (1906-02-01), Gardner
patent: 1602169 (1926-10-01), Parnell
patent: 2224226 (1940-12-01), Jensen
patent: 2751681 (1956-06-01), Hillson
patent: 3423984 (1969-01-01), Keymer

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