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Casting plant and method of producing castings
   
Document Number
US Patent 6196294
Issued Date
March 6, 2001
Link
Inventors
Ohnsmann; Gustav (D-84036 Landshut,DE)
Bandt; Gerold (D-84098 Hohenthann,DE)
Ohnsmann; Martin (63846 Laufach-Hain,DE)
Map
Abstract
A casting plant for low-pressure casting of molten metal with operatively and kinematically connected units in the form of linear or revolving conveying devices. The plant includes casting molds constructed and arranged to be filled with molten metal intermittently or continuously, and disposed either in a casting or residual metal receiving station or in a separate casting station, an insulated feeder pressure pot with a recompression unit and a shutoff valve unit having gas charging conduits flanged to the underside of the casting mold, the insulated feeder pressure pot being constructed and arranged to receive excess molten metal from the casting mold after a casting therein has solidified, a casting or residual metal receiving station, disposed beneath the casting molds and including a hermetically sealed, insulated pressurized furnace in which two assembled crucibles are disposed, including an inner crucible forming a pressure chamber and which is adapted to be filled with molten metal, a furnace cover having a movable pressure line and a movable return line for the molten metal passing therethrough, the pressure line extending from the shutoff valve unit to a portion of the crucible which is constructed and arrange to be below the surface of the molten metal therein, and the return line extending from the shutoff valve unit to a portion of the crucible constructed and arranged to be above the surface of the molten metal contained therein.
Drawing
Casting plant and method of producing castings - US Patent 6196294 Drawing
Drawing from US Patent 6196294
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Number of Claims:
71
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Owner
Published
March 6, 2001
Application Number
09/147,097
Filed
February 22, 1998
US Classification
164/119   164/133 164/137 164/306 164/312 164/337
Int'l Classification
B22D   18/04   (20060101)   B22D   27/11   (20060101)   B22D   27/00   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Apr 04, 1996 [DE] 196 13 668
USPTO Field of Search
164/119   164/306   164/457   164/133   164/137   164/155.3   164/312   164/337   164/120  
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Claims
Description
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