Dosing device, apparatus for applying adhesives to at least...

B - Operations – Transporting – 05 – C

Patent

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B05C 1/08 (2006.01) B05C 11/04 (2006.01)

Patent

CA 2546432

The invention relates to an apparatus for coating at least one substrate web (19) or laminating at least one substrate web (22) onto a substrate web (19) that is coated with adhesives (21) so as to form a laminate (24). Said apparatus comprises a dosing device that is assigned to an application roller (16) used for applying adhesive (21) as well as a counterpressure roller (17) which is allocated to the application roller (16) and between which the at least one substrate web (19) is fed in order to apply the adhesive (21). The dosing device (14) is disposed so as to be movable relative to the application roller (16) in order to adjust a width of the dosing gap (28). The inventive apparatus is characterized in that the dosing device (14) encompasses at least two different areas (34, 37) which can be selectively assigned to a dosing gap (28) in order to apply adhesive (21).

L'invention concerne un dispositif utilisé pour écrire sur au moins une bande de support (19) ou pour appliquer au moins une bande de support (22) sur une autre bande de support (19) recouverte d'un adhésif (21), pour la formation d'un stratifié (24). A cet effet, le dispositif comprend un dispositif doseur (14) qui est associé à un cylindre applicateur (16) servant à l'application d'adhésif (21), ainsi qu'un cylindre de contre-pression (17), qui est associé au cylindre d'application (16), une bande de support (19), sur laquelle doit être appliqué l'adhésif (21), étant amenée entre ces deux cylindres. Le dispositif doseur (14) est monté de façon à pouvoir être déplacé par rapport au cylindre d'application (16), pour permettre le réglage de la largeur de la fente de dosage (28). Le dispositif selon l'invention se caractérise en ce que le dispositif doseur (14) présente au moins deux zones (34, 37) différentes qui peuvent être, au choix, associées à la fente de dosage (28) pour l'application d'adhésif (21).

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