Forging apparatus

Details Forging apparatus Forging apparatus

2007-03-20

2007-03-20

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

C072S355600

Reexamination Certificate

active

11284029

ABSTRACT:
A forging apparatus has an upper die unit connected to an actuator for displacement in unison therewith, and a lower die unit confronting the upper die unit and mounted in a body assembly fixed to a foundation. An outer ring is guided axially by a plurality of guide pins for axial displacement on and along an outer circumferential surface of the lower die unit. The forging apparatus also has first ejector pins for removing a forged workpiece upwardly and second ejector pins for holding the workpiece when the upper die unit is displaced upwardly.

REFERENCES:
patent: 4847968 (1989-07-01), Shirai et al.
patent: 5894752 (1999-04-01), Yano et al.
patent: 47-15629 (1972-10-01), None
patent: 51-63069 (1976-06-01), None
patent: 60-115342 (1985-06-01), None
patent: 03-005039 (1991-01-01), None

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