D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
92/55
D21B 1/00 (2006.01) B24D 5/06 (2006.01) D21B 1/14 (2006.01)
Patent
CA 1161291
ABSTRACT An improved segmental type pulpstone has circumferentially faced spiral grooves in the outer abrading surface thereof for collecting and allowing deeper penetration and circulation of shower water to wash away ground pulp, reduce plugging of the pores, cool and prevent overheating of the abrasive segments the attaching bolts and the resulting spalling and/or loosening of the abrasive segments from the supporting core.
394197
Gowling Lafleur Henderson Llp
Norton Company
LandOfFree
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