B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 5/24 (2006.01) B41F 13/02 (2006.01) B41F 13/26 (2006.01)
Patent
CA 2164640
Device for the adjustment of a unit in a flexographic printing machine which includes at least two. Each unit includes a continuous tensioned paper web (13) moving successively through each of the units, ink means (16) with an ink fountain (22), an inking roller (20), printing means (26) with at least one co-operating plate holder roller (28) movable in vertical translation and designed to be in contact with the inking roller (20), means (30) for guiding the paper web to be printed. The device is characterized in that the first (44) and fourth tangent points are stationary, the second (46) and third (48) points are always simultaneously disposed within or without the two straight lines (41, 43) perpendicular to the straight line (45) joining the first (44) and fourth (50) points and passing by the first (44) and fourth (50) points so as to maintain constant the web length between the tensioning rollers (36, 38) and an almost identical setting of the plate in relation to the paper web (13).
Dispositif de réglage d'un groupe d'une machine d'impression flexographique qui en comprend au moins deux, chaque groupe comportant une bande de papier continue (13), tendue, circulant successivement dans chacun des groupes, des moyens d'encrage (16) avec un encrier (22), un rouleau encreur (20), des moyens d'impression (26) avec au moins un rouleau porte-cliché (28) mobile en translation verticale prévu pour coopérer par contact avec le papier à imprimer caractérisé en ce que les premier (44) et quatrième points de tangence étant fixes, les deuxième (46) et troisième (48) points sont toujours disposés simultanément à l'intérieur ou simultanément à l'extérieur des deux droites (41, 43) perpendiculaires à la droite (45) joignant ces premier (44) et quatrième (50) points et passant par ces premier (44) et quatrième (50) points de façon à conserver constante la longueur de bande (13) entre les rouleaux tendeur (36, 38) et un calage quasi-identique du cliché par rapport à la bande de papier (13).
Robic
Seroma
LandOfFree
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