Apparatus for defacing compact discs

Details Apparatus for defacing compact discs Apparatus for defacing compact discs

G - Physics

11

B

G11B 33/00 (2006.01) B29B 17/02 (2006.01) G11B 7/26 (2006.01)

Patent

CA 2113593

ABSTRACT OF THE DISCLOSURE A system for defacing compact disc so as destroy infor- mation stored thereon includes a defacer unit and a feed unit for feeding discs one at a time, with vertical orientation, to the defacer unit. A falling vertically oriented disc is caught and held between two sets of driven endless rubber belts which trans- port the disc between opposed knurling wheels which embed grooves in opposite sides of the disc substrate without, however, cracking the substrate. The knurling wheels are designed to give the grooves an identifiable pattern.

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