Method and apparatus for cleaning a roller surface

Details Method and apparatus for cleaning a roller surface Method and apparatus for cleaning a roller surface

B - Operations, Transporting

41

F

B41F 35/00 (2006.01) B41F 35/02 (2006.01)

Patent

CA 2165160

A method and apparatuses for cleaning a cylinder surface. The method is particularly suitable for use on flexographic printing cylinders where the automated cleaning facilitates the cleaning of plate cylinders. However, the method may be applied to any type of cylinder. The advantage is that in many cases it will not be necessary to halt the printing process for cleaning the cylinder. The method comprises detachment of particles such as dust, fibers and other foreign objects deposited on the cylinder surface. After the particles have become detached by means of pressurized air, liquid, ultrasound or other suitable media, the cylinder surface is exposed to a vacuum whereby the detached particles and other material deriving from the cleaning medium are sucked off the surface.

Procédé et appareil de nettoyage de la surface d'un cylindre. Le procédé s'applique notamment aux cylindres d'impression flexographique où le nettoyage automatique facilite le nettoyage des cylindres porte-plaque. Néanmoins, le procédé peut s'appliquer à tout type de cylindre. Par ailleurs, il est avantageux en ce que, dans de nombreux cas, le nettoyage du cylindre n'exige pas l'interruption du processus d'impression. Le procédé consiste à détacher les particules telles que les poussières, les fibres et les autres corps étrangers déposés à la surface du cylindre. Une fois que l'on a détaché les particules avec de l'air sous pression, un liquide, des ultrasons ou un autre milieu approprié, on soumet la surface du cylindre à un vide afin d'en éliminer par aspiration les particules détachées et les autres matières provenant du milieu de nettoyage.

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