Metal deforming – By use of tool acting during relative rotation between tool... – With metal deformation of different type
Patent
1984-01-17
1986-02-04
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
With metal deformation of different type
72 77, B21B 1320
Patent
active
045677441
ABSTRACT:
An apparatus and method for forming a cylindrical metal product. A housing having a housing axis therethrough aligned with a mill center line has a gear disposed therein having both sides rotatably supported in the housing for rotation about the housing axis. The gear has a tool holding opening therein the axis of which is offset from the mill center line, and is driven by a pinion. A ring-shaped tool is slidably rotatably fitted in the tool holding opening in the gear and is radially aligned with the gear and has an inner surface which circularly turns the outer surface of a metal workpiece to be formed into the cylindrical metal produce upon rotation of the gear. The metal workpiece is moved through the housing along the housing axis while being supported by supporting devices disposed upstream and downstream and closely adjacent the ring-shaped tool in the direction in which the metal workpiece is moved.
REFERENCES:
patent: 1141425 (1915-06-01), Simpkins
patent: 3182475 (1965-05-01), Dilling
patent: 3217521 (1965-11-01), Dilling
patent: 3349594 (1967-10-01), Sporck
Kawanami Takao
Yoshiwara Seishiro
Larson Lowell A.
Nippon Steel Corporation
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