Bending tool

Details Bending tool Bending tool

1984-10-09

1987-02-10

Husar, Francis S.

Metal deforming

Tool and/or tool holder

Having unitary tool-face

72389, 72413, 72415, 72478, B21D 3704

Patent

active

046415165

ABSTRACT:
The present invention relates to a bending press having an upper and a lower tool disposed on a frame, together with a hydraulic ram for bringing the upper and lower tools together. The upper tool comprises a fixed punch of an arcuate shape, and has a plurality of detachable punches that are detachably mounted on the fixed punch for changing the external shape of the punch.

REFERENCES:
patent: 327309 (1883-09-01), Phipps
patent: 506234 (1893-10-01), Hinsey
patent: 560515 (1896-05-01), Mason
patent: 784725 (1905-03-01), Yates
patent: 1033309 (1912-07-01), Fisher
patent: 3276236 (1966-10-01), McDowell
patent: 3845655 (1974-11-01), Kreig

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