Granules of raw material for friction material and method of manufacturing the same
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Nov 3, 1998
filing date -
Nov 4, 1997
priority date (Note) -
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Abstract
Starting material containing raw material fiber, raw material powder and binder for manufacturing friction material is granulated, so that primary granules are made, and then the primary granules are crushed so as to obtain granules of raw material for manufacturing friction material.
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