Bending-shaping machine having multiple working levels

Details Bending-shaping machine having multiple working levels Bending-shaping machine having multiple working levels

1992-09-17

1994-02-15

Crane, Daniel C.

Metal deforming

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

With cutting

72307, 72217, B21D 7024, B21D 4308

Patent

active

052856712

ABSTRACT:
Bending-shaping machine for sections with a bending unit (12) located downstream of an assembly (14) that draws and/or straightens sections (15), a shearing unit (11) being interposed, in which machine a drawing unit (13) is comprised downstream of the bending unit (12) and on the same axis as the section (15) and has a first normal working position (13N) and a second downwardly retracted position (13S), the bending unit (12) having a third raised working position (12A) with a section (15) positioned above the shearing unit (11) and above the assembly 14) that draws and/or straightens sections (15).

REFERENCES:
patent: 3777531 (1973-12-01), McClain
patent: 3991600 (1976-11-01), Del Fabro
patent: 4248273 (1981-02-01), Marcello
patent: 4660399 (1987-04-01), Suter
patent: 5099669 (1992-03-01), Del Fabro
patent: 5195348 (1993-03-01), Del Fabro

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