Supporting disk for a surface grinding wheel and surface grinding wheel
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United States of America Patent
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Sep 7, 2004
Grant Date -
Dec 12, 2002
app pub date -
Feb 12, 2002
filing date -
Feb 12, 2001
priority date (Note) -
Expired
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Abstract
A supporting disk for a surface grinding wheel comprises a glass-fiber reinforced phenolic resin body which has an upper covering layer of a textile glass fabric or a glass-yarn layer, an intermediate layer of a fiber mat, and a lower covering layer of a textile glass fabric or a glass-yarn layer.
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