Rotary-Type Polishing Device Having Protrusion Members
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
Mar 14, 2008
filing date -
Aug 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein is a rotary-type polishing device having protrusion members. The rotary-type polishing device includes a rotary shaft, a disc-type body, an elastic rubber, and a plurality of protrusion members. The disc-type body is coupled with the rotary shaft and is configured to integrally rotate together with the rotary shaft. Furthermore, the disc-type body has a concavely curved outer surface, which is formed on the underside of the outer circumferential surface thereof. The elastic rubber, having a predetermined thickness, is attached to the outer surface and conforms to the shape of the outer surface. The protrusion members are attached to or partially embedded in the rubber.
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