Rotary cutting saw having abrasive segments in which wear-resistant grains are regularly arranged
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United States of America Patent
Stats
-
Sep 9, 2003
Grant Date -
Jan 30, 2003
app pub date -
Jul 23, 2002
filing date -
Jul 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary cutting saw including (a) a base disk and (b) a plurality of abrasive segments fixed to an outer circumferential surface of the base disk and are spaced apart from each other in a circumferential direction of the base disk. The base disk has a plurality of slits which are formed in the outer circumferential surface of the base disk and are located between adjacent ones of the abrasive segments in the circumferential direction. Each slit extends inwardly in a radial direction of the base disk from the outer circumferential surface of the base disk. Each of the abrasive segments includes abrasive grains and wear-resistant grains each of which has a size substantially equal to a size of each of the abrasive grains. The wear-resistant grains are exposed on a side surface of each abrasive segment and are regularly arranged on the side surface.
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