Sheet-guiding device with a cooled sheet-guiding plate

Details Sheet-guiding device with a cooled sheet-guiding plate Sheet-guiding device with a cooled sheet-guiding plate

B - Operations, Transporting

65

H

B65H 5/36 (2006.01) B41F 23/04 (2006.01) B65H 29/52 (2006.01)

Patent

CA 2195145

The invention relates to a sheet-guiding device comprising a cooled sheet-guiding plate (1) featuring air outlets (7) and being connected with its backside, which is opposite a sheet-guiding surface (2), to cooling ducts containing a cooling agent and not covering said air outlets (7), and comprising a cooling-duct plate (3) the deformations of which represent said cooling ducts and which is sealed with respect to said sheet-guiding plate (1) by means of welding. Between the backside of said sheet-guiding plate (1) and said cooling-duct plate (3) a sealing element (8) is provided in a respective groove-shaped indentation (9) formed in said cooling-duct plate and surrounding an air outlet (7), with welding zones being provided in the vicinity of said sealing element for connecting said sheet-guiding plate (1) with said cooling-duct plate (3) by means of spot welding, laser welding or pulse welding.

'invention a trait à un dispositif de guidage de feuille comprenant une plaque de guidage de feuille refroidie (1) dotée de sorties d'air (7) et connectée à son côté arrière, qui se trouve à l'opposé d'une surface de guidage de la feuille (2), à des conduits de refroidissement renfermant un agent refroidissant et ne recouvrant pas les sorties d'air (7) et comprenant une plaque de conduit de refroidissement (3) dont les déformations correspondent à ces mêmes conduits de refroidissement et qui est scellée par soudage à la plaque de guidage de la feuille (1). Entre le côté arrière de la plaque de guidage de la feuille (1) et la plaque de conduit de refroidissement (3), un élément d'étanchéité (8) se trouve dans une cavité en forme de rainure (9) dans la plaque de conduit de refroidissement, entourant une sortie d'air (7), les zones de soudure étant placées près de l'élément d'étanchéité (8) pour relier la plaque de guidage de la feuille (1) à la plaque de conduit de refroidissement (3) au moyen du soudage par points, au laser ou par pulsations.

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