Method for producing a piston for an internal combustion engine
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United States of America Patent
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Mar 30, 2010
Grant Date -
May 17, 2007
app pub date -
Oct 30, 2004
filing date -
Nov 8, 2003
priority date (Note) -
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Abstract
The invention relates to a method for producing a piston (1) for an internal combustion engine. The inventive method comprises producing the base (4) from aluminum by a forging process, casting, by way of a composite casting process, a ring support (10) which is provided with a cooling channel (15) into an aluminum ring element (6), and then welding the ring element (6) with the base (4).
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