MELT-TREATED RIM OF A PISTON COMBUSTION BOWL
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United States of America Patent
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Issued Date -
Jun 24, 2010
app pub date -
Apr 25, 2008
filing date -
Jun 29, 2007
priority date (Note) -
Abandoned
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Abstract
A method for producing pistons that can be used in internal combustion engines made from lightweight metal, with a combustion bowl assigned to one piston head, wherein a bowl rim is subjected to a melt treatment. In a first method step, the bowl rim is inductively heated. In a second method step, the material of the bowl rim, also to be referred to as the delimiting zone, is improved by means of a laser beam.
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