Apparatus for producing sunken shapes on the outer circumference

Details Apparatus for producing sunken shapes on the outer circumference Apparatus for producing sunken shapes on the outer circumference

1991-06-18

1992-07-28

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72111, B21H 100

Patent

active

051332043

ABSTRACT:
Apparatus for the production of sunken shapes in the form of regular or irregular cogs and/or markings on the outer circumference of rotationally symmetrical sheet-metal workpieces. The apparatus includes at least one rotatable spindle with a workpiece holder and at least one applicable pressure roller, with

REFERENCES:
patent: 1873164 (1932-08-01), Turnquist
patent: 2692004 (1954-10-01), Matheny
patent: 3396563 (1968-08-01), Tlaker
patent: 3473211 (1969-10-01), Lindell

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