Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Reexamination Certificate
2007-04-03
2007-04-03
Larson, Lowell A. (Department: 3725)
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
C072S348000
Reexamination Certificate
active
11187915
ABSTRACT:
A method of manufacturing a member having a toothed portion, comprises a first step of cutting a work piece into predetermined dimensions and then deburring the same, and a second step, in succession with the first step, of pressing an axially end face of a portion to be toothed with a predetermined load, and simultaneously drawing the work piece so as to form the toothed portion.
REFERENCES:
patent: 1-317653 (1989-12-01), None
patent: 6-193647 (1994-07-01), None
Ichikawa Kiyokazu
Miyazaki Tomoyuki
Oki Hideki
Yatsuyanagi Shouji
Larson Lowell A.
Miles & Stockbridge PC
NSK - Warner K.K.
Wolfe Debra
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