Forming means

Details Forming means Forming means

1980-07-23

1983-07-12

Gilden, Leon

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72384, 72387, B21D 1104

Patent

active

043923739

ABSTRACT:
A forming machine to form a sheet of metal to an "S" bend having clamps to clamp the sheet metal, one of the clamps having an anvil about which the sheet metal is folded by a rotatable forming bar to form a first channel and partially form a second channel in the sheet metal after which the rotatable bar is moved clear and a nose on a further former further folds the second channel facing in the opposite direction to the first channel.

REFERENCES:
patent: 1520419 (1924-12-01), Jones
patent: 1963900 (1934-06-01), Harvey et al.
patent: 2336105 (1943-12-01), Lilja
patent: 3191419 (1965-06-01), Rippe
patent: 3777529 (1973-12-01), Kaufmann et al.
patent: 3908433 (1975-09-01), Helzer
patent: 3948074 (1976-04-01), Stalzer
patent: 3983735 (1976-10-01), Berry
patent: 3994152 (1976-11-01), Wolters
patent: 4043165 (1977-08-01), Badger et al.

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