Device and method for printing and drying plastic films

B - Operations – Transporting – 41 – F

Patent

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Details

IPC codes

B41F 23/04 (2006.01)

Type

Patent

Patent number

CA 2731302

Description

The invention relates to a method and to a device for printing and drying a plastic film web (2), especially a PP, PS, or PE film web, comprising several offset printing mechanisms (10, 12, 14, 16) for printing the film web (2) with different ink applications and at least one flame drying station (18, 20, 22), characterized by a drawing roller (24), which is arranged between a last printing mechanism (16) and the at least one flame drying station (18), contacts the unprinted surface of the film web, and applies tension to the film web.

Linvention concerne  un procédé et un dispositif pour limpression et le séchage dune bande de film en matière plastique (2), en particulier dune bande de film en PP, PS ou PE, ledit dispositif présentant plusieurs groupes dimpression offset (10, 12, 14, 16) pour limpression de la bande de film (2) en différentes applications de couleur, et au moins un poste de séchage à la flamme (18, 20, 22). L'invention est caractérisée en ce quil est prévu un rouleau dentraînement (24) disposé entre un dernier groupe dimpression (16) et ledit au moins un poste de séchage à la flamme (18), qui est appliqué sur la surface non imprimée de la bande de film et qui sollicite la bande de film en traction.

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