Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1981-09-30
1984-01-24
Larson, Lowell A.
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72377, B21J 1302
Patent
active
044268726
ABSTRACT:
Method and apparatus for making certain types of parts which are stepped in one plane and curved in other planes transverse to the planes in which they are stepped. The invention uses a specially shaped billet which is formed into the part in a closed flashless die set at warm forging temperatures.
REFERENCES:
patent: 4222260 (1980-09-01), McDermott
Larson Lowell A.
W-F Industries, Inc.
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