B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
26/202, 80/27
B21B 27/02 (2006.01) B21H 1/16 (2006.01) B21H 1/18 (2006.01)
Patent
CA 1038207
TITLE OF THE INVENTION IMPROVED FORMING ROLL FOR ROLLING CYLINDRICAL METAL BODIES FROM CYLINDRICAL ROD STOCK, AND A METHOD OF MAKING THE SAME ABSTRACT OF THE DISCLOSURE An improved forming roll for forming cylindrical metal slugs from cylindrical rod stock is characterised in that the roll has a helical groove defined by a rib the radial height of which and the axial dimension of which increase along the length of the roll, the groove between successive helices of the rib having a cylindrical base the axial length of which is so dimensioned that the volume of metal enclosed by the groove, in use, is substantially constant. There is also described a novel method for making such a forming roll.
268929
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