Mechanism for directly or indirectly applying a liquid or...

D - Textiles – Paper – 21 – H

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Details

D21H 23/34 (2006.01) B05C 3/18 (2006.01) B05C 5/02 (2006.01) B05C 11/02 (2006.01) D21H 23/52 (2006.01) B05C 11/04 (2006.01)

Patent

CA 2174749

An application unit for the direct or indirect application of a liquid or pasty medium onto a moving material web, in particular a paper or board web, comprising a basic structural group consisting of a support beam (3), distribution means (4, 11) for supplying the medium to be applied into a feed gap (10) which is bordered by a front wall (9) and a rear wall (5), and adjusting and connecting means (D, K, L, S, Z), wherein the area (5, 9) of the forward and rear walls of the basic structural group is set up for the selective releasable attachment of members for the formation of an application chamber (12) or for the formation of a free jet nozzle dosing gap for the medium to be applied. Additionally, application units are disclosed which consist of a basic structural group with free jet nozzle application means or an application chamber application means and in which the application means are respectively set up for the attachment of other application variants.

L'invention concerne un mécanisme permettant d'appliquer directement ou indirectement une substance sous forme de liquide ou de pâte sur une bande de matériau en mouvement, en particulier sur une bande de papier ou de carton. Ce mécanisme comprend un ensemble de base constitué d'une poutre (3), d'un dispositif de distribution (4, 11) conçu pour distribuer la substance à appliquer dans une fente d'alimentation (10) délimitée par une paroi antérieure (9) et une paroi postérieure (5), ainsi que des dispositifs de réglage et de raccordement (D, K, L, S, Z). La zone (5, 9) de la paroi antérieure et de la paroi postérieure du module de base est conçue pour permettre le montage, de façon éventuellement amovible, d'éléments formant une chambre d'application (12) ou formant une fente de dosage de buse à jet libre pour la substance à appliquer. L'invention concerne en outre des mécanismes d'application comprenant un module de base présentant un dispositif d'application avec buse à jet libre ou avec chambre d'application, ces mécanismes étant conçus respectivement pour permettre le montage de l'autre variante d'application.

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