(under the class definition) Coating apparatus in which the coating material is in a nonfluid, self-sustaining state and is transferred to the base or work to be coated by relative frictional moving contact between the coating material and the work.
SEE OR SEARCH CLASS
451, Abrading,
446+, for apparatus for applying an abrasive to a buffing wheel in which a block of abrasive is fed against a wheel to charge the wheel with abrasives by rubbing contact with the block.