Metal founding – Means to shape metallic material – Pressure shaping means
Reexamination Certificate
2006-05-02
2006-05-02
Kerns, Kevin (Department: 1725)
Metal founding
Means to shape metallic material
Pressure shaping means
C164S119000, C164S337000, C164S133000, C164S055100, C164S057100
Reexamination Certificate
active
07036554
ABSTRACT:
The invention is relating to a system for casting metal, the system comprising a holding furnace (3) containing a base metal melt (2), at least one casting crucible (1) mounted inside the holding furnace (3) and situated at least partly in the base metal melt (2), the said casting crucible (1) divided to at least first volume (4) and second volume (5) with a separating wall (6), which separating wall (6) is forming a gap (10) with the casting crucible wall (11) said casting crucible (1) having at least one opening (12) in the wall (11) from the first volume (4) to the base metal melt (2) in holding furnace (3) and having means to import alloying material (7) to the first volume (4) and having at least one casting die (8) in the second volume (5) inserted into the alloyed metal melt (9). The invention also relates to a method of casting metal.
REFERENCES:
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patent: 5062614 (1991-11-01), Sukekawa et al.
patent: 5381853 (1995-01-01), Koivisto et al.
patent: 6500228 (2002-12-01), Klingensmith et al.
patent: 6503292 (2003-01-01), Klingensmith et al.
patent: 6742568 (2004-06-01), Meyer
patent: WO 02/20194 (2002-03-01), None
Hiekkanen Ilppo
Koppinen Ilpo
Nippert Russell
Swank Brian
Bartholomew Verdirame
Morgan & Finnegan L.L.P.
Willis Michael A.
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