Method and apparatus for processing rollers, etc, by laser beam

Details Method and apparatus for processing rollers, etc, by laser beam Method and apparatus for processing rollers, etc, by laser beam

B - Operations, Transporting

08

B

B08B 7/00 (2006.01) B23K 26/067 (2006.01) B23K 26/073 (2006.01) B23K 26/08 (2006.01) G03G 5/00 (2006.01) G03G 5/10 (2006.01) G03G 21/00 (2006.01)

Patent

CA 2179045

By irradiating with high-intensity pulsed laser light of wavelength 9.0 [mu]m to 11.0 [mu]m the organic film on rollers, and specifically, the film on photosensitive drums, fixing rollers, rubber rollers, and magnetic rollers used in photocopying equipment, printers, facsimile machines and other equipment, said film can be removed from the roller surface without damaging the underlying metal layer in any way. Metal cylinders from which film has been removed by this method can either be reused as is, or may be recoated, and then, reused as rollers in photocopying equipment, printers, and facsimile machines. Furthermore, a method is disclosed, wherein laser light irradiation is used to remove film from the surface of various rollers, as is equipment for roller machining and processing.

On peut enlever une pellicule organique sur un rouleau, tel qu'un tambour photosensible, un rouleau de fixation, un rouleau en caoutchouc ou des rouleaux aimantés, utilisés pour les photocopieuses, les imprimantes, les télécopieurs et autres, sans endommager la couche métallique de base en appliquant un faisceau laser pulsé à luminance élevée d'une longueur d'onde de 9,0 à 11,0 µm. On peut régénérer le cylindre métallique à partir duquel la pellicule est ainsi enlevée et le réutiliser tel quel ou réenduit pour des rouleaux de photocopieuses, imprimantes, télécopieurs. De plus, l'invention concerne un procédé d'émission d'un faisceau laser destiné à enlever la pellicule à la surface de divers rouleaux ainsi qu'un appareil de traitement de rouleaux.

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