A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/16
A61C 3/06 (2006.01)
Patent
CA 1187728
ABSTRACT Dental mandrels, circular in cross-section, and detachable abrasive disks useful in confined areas of the mouth, in which the disk can be mounted on and demounted from the mandrel using finger pressure, and the disk can optionally be rotated relative to the mandrel when the mandrel is at rest, but the disk is gripped sufficiently firmly when the mandrel is spinning that no slippage of the disk is apparent under dental grinding conditions.
382007
Dube D. Robert
May Lawrence A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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