Metal deforming – Tool and/or tool holder – Tool-comprising die plate having ribs and/or grooves
Patent
1980-10-10
1982-12-07
Larson, Lowell A.
Metal deforming
Tool and/or tool holder
Tool-comprising die plate having ribs and/or grooves
72 88, B21H 500
Patent
active
043620450
ABSTRACT:
Tools for pressure forming teeth on the periphery of a cylindrical workpiece, the tools having an improved tooth generating configuration which increases the effective rolling length of machines which have been and are presently being utilized to pressure form teeth on the periphery of cylindrical workpieces and which enables the pressure forming of many gears and other toothed parts which could not be pressure formed heretofore due to limitations in the length of tools that can be accommodated in such machines.
REFERENCES:
patent: 3902349 (1975-09-01), Miller
patent: 4016738 (1977-04-01), Puchko et al.
Ex-Cell-O Corporation
Larson Lowell A.
McKinnon Malcolm R.
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