Copper-free non-asbestos organic friction material
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United States of America Patent
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Issued Date -
Jul 13, 2006
app pub date -
Jan 12, 2005
filing date -
Jan 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A braking element generally including a friction material having one of iron fibers, aluminum, zinc, tin and combinations thereof. An amount of the iron fibers in the friction material is in a range between about 1 v % to about 10 v %. An amount of one of the aluminum, the zinc, the tin and the combinations thereof is in a range between about 1 v % to about 5 v %. The friction material is free of elemental copper. As the friction material wears, elemental copper is not released into the environment.
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