Sleeve for printing machines

Details Sleeve for printing machines Sleeve for printing machines

B - Operations, Transporting

41

C

B41C 1/18 (2006.01) B41F 13/10 (2006.01) B41F 27/10 (2006.01) B41F 27/12 (2006.01) B41F 30/02 (2006.01) B41N 1/20 (2006.01) B41N 1/22 (2006.01)

Patent

CA 2558878

The invention relates to a covering which can be mounted on the support cylinders of printing machines, comprising two flange rings (11, 12) on the ends whereon a cylindrical outer covering wall (20) and an inner covering wall (30) rest at a distance from each other. The aim of the invention is to provide a covering, particularly an adapter covering, which can be mounted and dismounted on the support cylinders in an easy manner, which can be produced at low cost and which enables extremely high printing qualities for a comparatively low weight. According to the invention, the outer covering wall (20) is made of a fiber composite material with at least one layer made of a carbon fiber cluster (21), and at least one support ring (40,40A), which supports the outer covering wall (20) in relation to the inner covering wall (30), is provided between the two flange rings (11,12).

L'invention concerne un capot destiné à être monté sur des cylindres supports de machines à imprimer, comportant deux collets (11, 12) sur les extrémités, sur lesquels s'appuient une paroi de capot extérieure cylindrique (20) et une paroi de capot intérieure (30) à distance l'une de l'autre. L'invention vise à mettre en oeuvre un capot, notamment un capot d'adaptateur pouvant être monté ou démonté aisément sur des cylindres supports, fabriqué de façon économique, et permettant d'obtenir des qualités d'impression élevées pour un poids relativement faible. A cet effet, la paroi de capot extérieure (20) est composée d'un matériau composite renforcé par fibres comportant au moins une couche d'un non-tissé de fibres de carbone (21), et au moins une bague support (40, 40A) supportant la paroi de capot extérieure (20) par rapport à la paroi de capot intérieure (30) est prévue entre les deux collets (11, 12).

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