Forging device and method for forging work

Details Forging device and method for forging work Forging device and method for forging work

2008-05-06

2008-05-06

Banks, Derris H. (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

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

C072S355400, C072S452800, C072S453060

Reexamination Certificate

active

11401238

ABSTRACT:
A forging device includes a die having an axis extending generally vertically. A work is placed in the die along the axis. First and second punches extend coaxially with the die and can interpose the work therebetween. A pressurizing section pressurizes the first and second punches toward the work generally simultaneously.

REFERENCES:
patent: 3805581 (1974-04-01), Thibodeau
patent: 5746085 (1998-05-01), Harada et al.
patent: 6178801 (2001-01-01), Ishida
patent: 2005-007468 (2005-01-01), None
patent: 2005007468 (2005-01-01), None
patent: WO 01/83135 (2001-11-01), None

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