Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Reexamination Certificate
2005-10-28
2008-11-25
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
C072S352000, C072S342800
Reexamination Certificate
active
07454941
ABSTRACT:
The invention relates to an upsetting method for working a metal slug having a determined slenderness, characterized by the fact that the slug is at least partly positioned in the direction of its length, in an upsetting pot in a cylindrical housing provided for this purpose, and pressure is exerted on the slug in the direction of its length by means of a punch, until the slug fills the whole section of the housing, so as to reduce its slenderness, and to obtain a cylindrical slug with a section equal to that of the housing, in preparation for a forging operation. By this method, it is possible to upset slugs with large slenderness.
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Bergue Jean-Pierre Serge
Breton Michel
Sagne Patrice Rene
Sagot Philippe Francois Christian
Banks Derris H.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
SNECMA
Wolfe Debra M
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