Vaccuum Die-Casting Method
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United States of America Patent
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Issued Date -
Feb 26, 2009
app pub date -
Nov 23, 2005
filing date -
Nov 27, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to an improved vacuum die-casting, in particular for metals and metal alloys which contain Al, Mg, Zn, and Cu. In order to improve the quality of the components, it is proposed to produce vacuum in the mold cavity and the casting chamber cavity in several phases of the die-casting process. The use of the new method is contemplated for both cold-chamber and hot-chamber die-casting.
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