Device for fastening a covering on a cylinder of a rotary press

Details Device for fastening a covering on a cylinder of a rotary press Device for fastening a covering on a cylinder of a rotary press

B - Operations, Transporting

41

F

B41F 27/06 (2006.01) B41F 13/004 (2006.01)

Patent

CA 2582146

A printing cylinder having an axis-parallel channel in the cylinder, the channel narrowing toward the surface to form a slot for receiving the ends of a covering; a clamping member arranged in the channel and urged toward the slot by springs, the clamping member having at least one recess facing a respective at least one wall of the channel; and at least one supporting element arranged inside the channel and engaging a respective recess of the clamping member. A pair of adjusting elements arranged at the ends of the cylinder support the clamping member so that the clamping member can be radially displaced, the adjusting elements being arranged so that movement of the adjusting elements causes relative movement between the supporting element and the clamping member, whereby the clamping member is caused to move radially for clamping and unclamping the ends of the covering in the slot.

L'invention concerne un cylindre de presse qui comporte un canal intérieur parallèle à l'axe, lequel se rétrécit vers la surface pour former une fente destinée à recevoir les extrémités d'un capot; une bride de serrage disposée dans le canal et poussée vers la fente par des ressorts, la bride de serrage ayant au moins une échancrure faisant face à au moins une paroie respective du canal; et au moins un élément support disposé à l'intérieur du canal et en prise avec une échancrure respective de la bride de serrage. Une paire de pièces de réglage disposées aux extrémités du cylindre appuient la bride de serrage, de sorte que celle-ci puisse être déplacée radialement, les pièces de réglage étant disposées de sorte que leur mouvement entraîne un mouvement relatif entre l'élément support et la bride de serrage. Ainsi, la bride de serrage est forcée à se déplacer radialement pour serrer et déserrer les extrémités du capot dans la fente.

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