Method of fabricating a substantially U-shaped body and apparatu

Details Method of fabricating a substantially U-shaped body and apparatu Method of fabricating a substantially U-shaped body and apparatu

1976-12-06

1978-06-13

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72344, 72359, 72377, B21D 2200

Patent

active

040941833

ABSTRACT:
A method of, and apparatus for, fabricating a substantially U-shaped body, especially a fork-type joint of a Cardan or universal joint from a blank which is worked by cold press forming while using dies and punches. During a first step there is extruded from a substantially parallelepiped-shaped blank two leg members with the aid of a first die and a first punch, and during a second step the pressed-out or extruded legs are brought into a final shape with the aid of a second die and a second punch.

REFERENCES:
patent: 412311 (1889-10-01), Wagener
patent: 1638400 (1927-08-01), Kinsler
patent: 1925721 (1933-09-01), Johnston
patent: 2748932 (1956-06-01), Kaul
patent: 4015461 (1977-04-01), Schober

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