Method and apparatus for treatment of compact discs

Details Method and apparatus for treatment of compact discs Method and apparatus for treatment of compact discs

G - Physics

11

B

G11B 23/50 (2006.01) B29B 17/04 (2006.01) G11B 7/26 (2006.01)

Patent

CA 2398299

Apparatus for rendering a compact disc unplayable comprises first and second pressing elements and at least one spoiling element interposed between the pressing elements. The pressing elements are adapted to be brought together to press the spoiling element against a disc placed therebetween thus causing damage to the information bearing surface of the disc. In a preferred embodiment, the or each spoiling element includes scraping means which may comprise a serrated blade or an abrasive material. Rotation of the disc relative to the scraping means when the disc is sandwiched between the pressing elements results in the disc's information bearing surface being scratched or otherwise damaged. A method of rendering unplayable a compact disc is also described.

L'invention concerne un appareil destiné à rendre un disque compact non lisible comprenant des premier et des second éléments de pressage et au moins un élément de destruction placés entre les éléments de pressage. Les éléments de pressage sont conçus de manière à les faire coïncider pour presser l'élément de destruction contre le disque placé entre ceux-ci, endommageant ainsi les informations se trouvant sur la surface support du disque. Dans un mode de réalisation préféré, le ou chaque élément de destruction comprend des grattoirs pouvant être dotés d'une lame dentée ou d'un matériau abrasif. La rotation du disque par rapport aux grattoirs lorsque le disque est placé entre les éléments de pressage résulte en ce la surface support du disque sur laquelle se trouvent les informations sont griffées ou autrement endommagées. L'invention concerne également un procédé destiné à rendre non lisible un disque compact.

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