Metal deforming – By pulling workpiece through closed periphery die – Utilizing plural metal-deforming tools
Patent
1974-04-22
1976-06-15
Mehr, Milton S.
Metal deforming
By pulling workpiece through closed periphery die
Utilizing plural metal-deforming tools
72281, 72286, B21C 104
Patent
active
039628981
ABSTRACT:
Apparatus for manufacture of wire. The apparatus includes structure for drawing the wire through a conventional wire drawing device and including a pull roller at the output point thereof. The wire then travels through a zone wherein an electric current is caused to flow through said wire while same is in motion therethrough for heating and annealing same, after which the wire is cooled and then directed through a further die for further shaping and cold working of same. A pull roller is provided at the output end of the last-named die for pulling the wire therethrough. The wire is finally wound onto a spool. By heating the wire as noted, same can travel through the heating zone at the same speed as through the dies and hence the operation is continuous and does not require intermediate winding and unwinding. Suitable coupling structure is provided for effecting proper speed relationships between the peripheries of the first-mentioned and second-mentioned pull rollers.
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Berkenhoff & Drebes Gesellschaft mit beschrankter Haftung
Mehr Milton S.
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