Global Patent Index - EP 0972639 A1

EP 0972639 A1 2000-01-19 - Device for positioning a flexible printing plate on a form cylinder

Title (en)

Device for positioning a flexible printing plate on a form cylinder

Title (de)

Vorrichtung zum Einstellen einer flexiblen Druckplatte auf einem Formzylinder

Title (fr)

Dispositif de positionnement d'un cliché flexible sur un cylindre porte-cliché

Publication

EP 0972639 A1 (FR)

Application

EP 99109884 A

Priority

CH 119298 A

Abstract (en)

The positioner, for a flexible plate on a carrier cylinder (3) with a lengthwise slit (1) in its shaft, is actuated by a lateral movement of the carrier cylinder beyond a set course by an exterior component fixed to the printing machine frame at one end of the cylinder and a crown cam (14) at the other. The inner edges (12, 13) of the crown cam act as guides for a roller (11) on a mobile base plate. Two other cams are located at the base of the roller shaft slit to control the movement of rollers (15) linked to the base plate.

Abstract (fr)

Le dispositif de positionnement d'un cliché flexible sur un cylindre porte-cliché (3) permet de biaiser un cliché dans une machine d'impression rotative, le cylindre porte-cliché (3), d'axe de rotation (2), comprend une saignée (1) disposée parallèlement à l'axe de rotation (2) et à l'intérieur de laquelle vient se loger ledit dispositif de positionnement du cliché. Ce dispositif est actionné par le déplacement latéral, hors d'une certaine course, du cylindre porte-cliché (3) mis en mouvement grâce à un organe extérieur et grâce à une came couronne (14), disposée hors du cylindre à l'opposé de cet organe. Cet organe, solidaire du bâti de la machine d'impression, est notamment constitué du moteur et du mécanisme permettant le déplacement latéral conventionnel du cylindre porte-cliché (3) le long de son axe de rotation (2). Sur les bords intérieurs (12, 13) de la came couronne (14) vient s'appuyer, par l'intermédiaire d'une vis (62) et d'une attache (60), un galet rendu solidaire à une plaque de base mobile et maintenue libre par rapport au cylindre porte-cliché (3) au moyen des organes de maintien (102). Deux cames (17), fixées rigidement sur le fond de la saignée (1) du cylindre porte-cliché (3), contrôlent le déplacement de deux galets (15), liés à la plaque de base, dans un mouvement oblique opposé. <IMAGE>

IPC 1-7 (main, further and additional classification)

B41F 27/00; B41F 13/16; B41F 27/12

IPC 8 full level (invention and additional information)

B41F 27/12 (2006.01)

CPC (invention and additional information)

B41F 27/1231 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE DE DK ES FR GB IT LU NL SE

EPO simple patent family

CH 689717 A5 19990915; AT 236016 T 20030415; AU 3125399 A 19991209; AU 748606 B2 20020606; BR 9902635 A 20000222; CA 2273388 A1 19991202; CA 2273388 C 20030701; CN 1085147 C 20020522; CN 1237513 A 19991208; DE 69906426 D1 20030508; DE 69906426 T2 20040212; DK 0972639 T3 20030728; EP 0972639 A1 20000119; EP 0972639 B1 20030402; ES 2195469 T3 20031201; JP 2000033688 A 20000202; JP 3192640 B2 20010730; KR 100334476 B1 20020426; KR 20000005811 A 20000125

INPADOC legal status


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