Self lubricating brake shoe material
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Oct 26, 1995
filing date -
Oct 26, 1995
priority date (Note) -
Expired
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Abstract
A self lubricating material for use in a castable material from which a predetermined component having at least one friction surface is to be manufactured. Such self lubricating type material consisting essentially of cellulose in the range of between about 4.0 weight percent and about 9.0 weight percent, resin in the range of between about 15.0 weight percent and about 20.0 weight percent, vermiculite in the range of between about 20.0 weight percent and about 25.0 weight percent, nut shells in a range of between about 12.0 weight percent and about 20.0 weight percent, fluorspar in a range of between about 11.0 weight percent and about 14.0 weight percent and oil in the range of between about 20.0 weight percent and about 26.0 weight percent.
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