TWO-PART STEEL PISTON, JOINING PROCESS
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United States of America Patent
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Issued Date -
Mar 10, 2016
app pub date -
Mar 14, 2014
filing date -
Mar 15, 2013
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Abstract
A piston, such as a cooling channel piston, for an internal combustion engine, including at least one lower part and one upper part, a combustion chamber and at least one annular groove. The upper part or the lower part is fastened by means of at least one undercut on the lower part or on the upper part. The upper part includes at least one combustion chamber and at least one annular groove. A method for producing such a piston is disclosed.
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