Title:
FORMING ROLL FOR FABRICATING CYLINDRICAL METAL FROM CYLINDRICAL METAL BAR AND METHOD OF PRODUCING SAME
Document Type and Number:
Japanese Patent JPS5285954
Kind Code:
A
Abstract:
An improved forming roll for forming cylindrical metal slugs from cylindrical rod stock is characterized 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.
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Inventors:
KENESU CHIYAARUZU SUKINAA
Application Number:
JP42077A
Publication Date:
July 16, 1977
Filing Date:
January 07, 1977
Export Citation:
Assignee:
HELIPEBS LTD
International Classes:
F16C13/00; B21H1/16; B21H1/18; (IPC1-7): B21H1/22; F16C13/00