Cutter
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United States of America Patent
Stats
-
Mar 20, 1990
Grant Date -
N/A
app pub date -
Jun 5, 1989
filing date -
Jun 9, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutter comprises a ring-shaped base plate. On the peripheral edge of the base plate there are formed a plurality of projections interposing slits therebetween. The projections are formed thinner than the base plate and provided with holes, through which wires are passed to connect the projections. Furthermore, around the projections, a ring-shaped cutting body is formed. The cutting body includes abrasive grains and is formed to expose a portion of slits.
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