B - Operations – Transporting – 41 – N
Patent
B - Operations, Transporting
41
N
B41N 1/04 (2006.01) B41F 19/06 (2006.01)
Patent
CA 2174821
The blower arrangement for detachment of a metallized belt and braking of a sheet, situated between the platens of a press in a machine for printing sheet elements, comprises a bar arranged near the exit of the press in which is provided a series of nozzles (77, 79) in the form of flattened parallelepipeds. Each of these nozzles is sealed by a translationally mobile cylindrical valve in a manner perpendicular to the air supply duct. This valve comprises a communicating passage. The plane of the jets coming from these nozzles is directed approximately horizontally between the metallized belt and the sheet.
La présente invention a pour objet un système de soufflage servant à dégager une bande métallisée et à détacher une feuille placée entre les platines d'une presse à imprimer des éléments en feuille; le système en question comporte une barre qui, disposée à proximité du point de sortie de la presse, est dotée d'une série de buses (77 et 79) ayant l'aspect de parallélépipèdes de forme aplatie. Chacune de ces buses est scellée par un distributeur cylindrique en translation perpendiculaire à un conduit d'admission d'air. Ce distributeur est percé d'un passage communicant. Les jets provenant des buses est dirigé sur un plan presque horizontal entre la bande métallisée et la feuille.
Bobst S.a.
Smart & Biggar
LandOfFree
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