B - Operations – Transporting – 21 – F
Patent
B - Operations, Transporting
21
F
B21F 23/00 (2006.01) B21D 11/12 (2006.01)
Patent
CA 2080032
- 10 - ABSTRACT Method to make bends in the trailing ends of bars for building work in bending-shaping machines which comprise in working sequence a drawing and/or straightening assembly (11), a shearing assembly (16), a bending assembly (12) and clamping means (17-117), which have a first retracted position under the working plane and a second working position, the bars for building work being obtained from a bar (10) coming from a feeding section (22) possibly wound in a roll, the bar (10) with all its bends already made except a bend (24) in its trailing end being separated from the feeding section (22) and being fed forwards downstream by a required length, the bend (24) in its trailing end being then carried out in cooperation with the clamping means (17-117). sending-shaping machine for bars for building work, which comprises in working sequence a drawing and/or straightening assembly (11), a shearing assembly (16), a bending assembly (12) and clamping means (17-117), which have a first retracted position under the working plane and a second working position, the bars for building work being obtained from a bar (10) coming from a feeding section (22) possibly wound in a roll, the machine comprising means for the controlled forward displacement (11-12) of the feeding section (22) partly pre-shaped and sheared to a required length.
Del Fabro Giorgio
Del Fabro Marcello
Del Fabro Giorgio
Del Fabro Marcello
Goudreau Gage Dubuc
M.e.p. Macchine Elettroniche Piegatrici S.p.a.
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