Marking apparatus for marking painted surface

Details Marking apparatus for marking painted surface Marking apparatus for marking painted surface

1994-10-21

1998-02-10

Smith, James G.

Abrading

Machine

Scouring device

451190, B24B 3100

Patent

active

057162620

ABSTRACT:
A marking apparatus for forming scratch marks on a painted surface, at positions in which paint defects are detected, includes a rotary brush assembly having a number of strings, each of which contains approximately 25 weight percent of abrasive grains, stuck in and secured to a rotary body so as to form a circular brush head. A pressing device presses the rotary brush assembly against the painted surface with a regulated thrust force so as to form a circular scratch mark on the painted surface at a predetermined level of visual distinguishability.

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