Metal-graphite brush
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United States of America Patent
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Mar 2, 2004
Grant Date -
Jun 12, 2003
app pub date -
Oct 24, 2002
filing date -
Oct 25, 2001
priority date (Note) -
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Abstract
A metal-graphite brush has a copper-graphite brush body to which a metal sulfide solid lubricant is added and a lead embedded. Indium is at least added to an interface between the brush body and the lead in a concentration of 0.4-8 wt %.
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