Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1980-09-11
1981-12-08
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72359, 72376, B21D 2200
Patent
active
043041159
ABSTRACT:
A method and die assembly for forging a rolling mill coupling, the body of which has a socket in one end and tangs extending from the other end. The assembly comprises bottom and top punches which extrude metal downwardly from the bottom portion of a workpiece and upwardly from the top portion to form walls defining the socket at one end of the workpiece and tangs extending from the other end.
REFERENCES:
patent: 1373726 (1921-04-01), Heiby et al.
patent: 1841920 (1932-01-01), Smith
patent: 2663205 (1953-12-01), Allen
Gilden Leon
Riesmeyer, III William F.
United States Steel Corporation
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