Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Reexamination Certificate
2005-03-29
2008-05-13
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
C072S462000
Reexamination Certificate
active
07370506
ABSTRACT:
A forging die includes on one face, a half-imprint of a part to be forged such as a turbine engine blade. The die also includes on the face, a device for forming a marking along two directions relatively to which the position of the imprint is defined, the device including two pads protruding relatively to the face and each including two notches defining the two directions. This device preferably includes two pads machined on the die at the same time as the imprint, and each including two notches in the form of a cross.
REFERENCES:
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patent: 4195510 (1980-04-01), Juergens
patent: 4930334 (1990-06-01), Buehler et al.
patent: 5083371 (1992-01-01), Leibfried et al.
patent: 5471923 (1995-12-01), Carroll et al.
patent: 7007535 (2006-03-01), McClung
patent: 1130962 (1968-10-01), None
Bourgeois Alain
Cougnaud Camille
George Pierre
Levy Jean-Jacques
Lhomme Daniel
Banks Derris H.
SNECMA
Wolfe Debra M
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