Rotary tool made of inorganic fiber-reinforced plastic
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United States of America Patent
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Aug 10, 1993
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N/A
app pub date -
Aug 30, 1990
filing date -
Mar 1, 1989
priority date (Note) -
Expired
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Abstract
A rotary tool for cutting, drilling, grinding, or polishing metallic or non-metallic materials is made of a compact material, which consists of an inorganic fiber reinforced plastic containing 50 to 81 volume % of inorganic long fibers selected from the following group: alumina fibers, boron fibers, silicon carbide fibers, and silicon nitride fibers, the remaining portion of the compact material consisting of a thermosetting resin matrix.
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