B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 7/16 (2006.01) B21B 13/00 (2006.01) B21D 9/16 (2006.01) B21D 11/22 (2006.01) B21F 23/00 (2006.01) B65H 51/10 (2006.01) B21B 1/16 (2006.01) B21B 27/02 (2006.01) B21B 35/00 (2006.01)
Patent
CA 2154132
Device to compensate the elongation of two or more wire rods or round bars on machines fed with two metallic wire rods or round bars of iron or alloys thereof of a type for building work, the machines being, for instance, bending/shaping machines, the device comprising a pair of opposed rolls (12), namely an upper roll (12a) and a lower roll (12b) respectively, the rolls (12) defining between them respective inner (17a) and outer (17b) passes (17), with which the wire rods passing through cooperate, at least one (12a) of those rolls (12) being able to move substantially parallel to itself on a plane containing the axes of the rolls (12), the rolls (12a-12b) having respective shafts (15a-15b) each of which is fitted to a relative support (13), namely to respective upper (13a) and lower (13b) supports, the other roll (12b) being able to move in a controlled rocking manner on the plane containing the axes of the rolls (12) and being governed by adjustment means (33) comprising bottom positioning screw means (23) and return springs means (22).
Del Fabro Giorgio
Del Fabro Marcello
Goudreau Gage Dubuc
M.e.p. Maachine Elttroniche Piegatrici Spa
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