Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Reexamination Certificate
2007-09-17
2010-10-05
Ross, Dana (Department: 3725)
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
C072S353600
Reexamination Certificate
active
07805971
ABSTRACT:
A forging die and process suitable for producing large forgings, including turbine disks and other rotating components of power-generating gas turbine engines, using billets formed by powder metallurgy. The forging die includes a backplate, and segments arranged in a radial pattern about a region on a surface of the backplate. Each segment has a backside facing the backplate and an interface surface facing away from the backplate, with the interface surface being adapted to engage the billet during forging. The segments are physically coupled to the surface of the backplate in a manner that enables radial movement of the segments relative to the backplate.
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patent: 6484552 (2002-11-01), Bernas et al.
patent: 6531002 (2003-03-01), Henry et al.
patent: 2003/0015016 (2003-01-01), Anazawa et al.
patent: 2004/0261486 (2004-12-01), Kuhne
Cairo Ronald Ralph
Goller George Albert
Jackson Joseph Jay
Stonitsch Raymond Joseph
General Electric Company
Hartman Domenica N. S.
Hartman Gary M.
Hartman & Hartman P.C.
Katcoff Matthew G
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