Ink printing apparatus with a cleaning assembly

Details Ink printing apparatus with a cleaning assembly Ink printing apparatus with a cleaning assembly

B - Operations, Transporting

41

F

B41F 35/04 (2006.01)

Patent

CA 2200857

Ink printing apparatus (1) with a cleaning assembly comprising a wiper element or doctor blade (9) mounted such that it acts against an ink roller (8), with a fluid collection element (10) arranged beneath said doctor blade, in order to collect therein fluid flowing from the doctor blade. According to the invention, it is stated that for this purpose a fluid distribution element (11, 12, 13) is arranged at a position upstream from above the doctor blade as viewed in the direction of rotation of the ink roller in order to apply cleaning fluid, at a position upstream from above the doctor blade, essentially uniformly distributed over said ink roller, which fluid distribution element is connected to a cleaning fluid supply.

Appareil (1) d'impression par encre muni d'un ensemble de nettoyage comportant un élément de type racleur ou raclette (9) monté de sorte qu'il vient au contact d'un rouleau encreur (8), un élément collecteur de fluide (10) étant monté sous cette raclette afin de recueillir le fluide qui s'en écoule. A cet effet, un élément distributeur de fluide (11, 12, 13) placé en amont de la raclette, par rapport au sens de rotation du rouleau encreur, est destiné à appliquer un fluide de nettoyage en amont de la raclette, et à le répartir de manière essentiellement homogène sur ledit rouleau encreur, ledit élément distributeur de fluide étant relié à une arrivée de fluide de nettoyage.

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