B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/51
B21D 5/06 (2006.01) B21D 11/06 (2006.01)
Patent
CA 1299925
IN THE CANADA PATENT & TRADEMARK OFFICE PATENT APPLICATION entitled: Die device for forming tube from a metal band in the name of: Christian SHAHUM ABSTRACT OF THE DISCLOSURE This invention relates to a die device for forming tube from a metal band, wherein it comprises a long die block comprising, lengthwise and passing right through it, a conduit comprising an inlet orifice of larger section and an outlet orifice of smaller section and of which the generatrices converge from the inlet orifice towards the outlet orifice and, at the level of the inlet orifice, the conduit is of width slightly greater than that of said metal band, and wherein the die block is removably mounted on a carriage movable horizontally in front of a horizontal mandrel driven in rotation by drive means and about which mandrel is wound the tube, issuing from the die block, substan- tially perpendicularly to that face of the block where the outlet orifice of the conduit opens out, which carriage is mounted to pivot about a horizontal axis parallel to the mandrel and comprises means for positio- ning it in inclination, so that the tube issuing from the die block is tangential to said mandrel.
512049
Goudreau Gage Dubuc
Shahum Christian
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