US PATENT SUBCLASS 451 / 547
.~.~ Ribbed periphery

Current as of: June, 1999
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451 /   HD   ABRADING

540  DF  RIGID TOOL {4}
541  DF  .~ Rotary cylinder {5}
547.~.~ Ribbed periphery

DEFINITION

Classification: 451/547

Ribbed periphery:

(under subclass 541) Rotary cylindrical abrading tool in which the cylindrical surface of the tool is formed by a single monolithic or molded piece provided with a regular pattern of raised abrasive regions, such as circumferential ridges or helical formations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

542, for a rotary tool having a discontinuous segmented surface formed by a plurality of abrasive blocks.