(under subclass 541) Rotary cylindrical abrading tool comprised of a plurality of preformed blocks of material containing an abrasive which when assembled together, along the circumference of a circle, form a complete cylinder or cylindrical annulus.
(1) Note. The blocks of material may be claimed with or without other means for holding, cementing, or spacing the blocks.
SEE OR SEARCH THIS CLASS, SUBCLASS:
541+, the parent of this subclass, for a tool formed from a single monolithic or molded piece, even though the abrading surfaces may be discontinuous.
544, for a tool which is formed of a plurality of blocks of material containing an abrasive but in which each of the blocks forms a complete cylindrical abrading surface.
SEE OR SEARCH CLASS
492, Roll or Roller,
30+, for a roll, per se, comprising segmental sections.