Piston pin bushing
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United States of America Patent
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May 11, 2010
Grant Date -
Aug 2, 2007
app pub date -
Mar 16, 2005
filing date -
Mar 19, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piston pin bushing consisting of a brass alloy containing between 30 and 32.2 wt. % zinc. between 1.8 and 2.2 wt. % aluminium, between 1.8 and 2.2 wt. % manganese, between 1.4 an 2.2 wt. % nickel and between 1.4 and 2.0 wt. % iron, in addition to optional contaminant-related constituents with a respective maximum content of 0.2 wt. % and a maximum total content of 1 wt. %, the remaining percentage consisting of copper. The bushing is cut in the form of a longitudinal section from a continuously cast pipe, whose exterior has been previously machined and can be used without being subjected to a forging process following the cutting operation.
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