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Device for charging horizontal and vertical cold chamber pressure die-casting machines with metal and method
   
Document Number
US Patent 6318444
Issued Date
November 20, 2001
Link
Inventors
Ohnsmann; Gustav (84036 Landhut,DE)
Bandt; Gerold (84098 Hohenthann,DE)
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Abstract
An apparatus for charging horizontal and vertical cold chamber pressure die-casting machines with metal, includes a pressure chamber having a first end which connects to a cold chamber pressure die casting machine, and an interchangeable receptacle, arranged underneath or laterally underneath the pressure chamber, the receptacle including a riser pipe which extends upwardly from a first end immersed in molten metal in the receptacle through a gas-tight cover on the receptacle to a second end. A pressure or aspirating line is fastened on the cover and connected at a first end to the second end of the riser pipe, and is connectable at a second end to a mid-point in the pressure chamber. A pressure piston including a drive rod is disposed in the pressure chamber adjacent the second end and a plate is disposed in the receptacle such that it contacts the molten metal in the receptacle on its surface, during delivery of the molten metal to the casting machine and during return of remaining molten metal from the casting machine.
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Device for charging horizontal and vertical cold chamber pressure die-casting machines with metal and method - US Patent 6318444 Drawing
Drawing from US Patent 6318444
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Number of Claims:
14
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Owner
Published
November 20, 2001
Application Number
09/235,168
Filed
January 22, 1999
US Classification
164/113   164/119 164/306 164/312
Int'l Classification
B22D   17/08   (20060101)   B22D   17/30   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Jan 22, 1998 [DE] 198 02 342
USPTO Field of Search
164/113   164/312   164/119   164/306  
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