D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 25/06 (2006.01) B65H 20/14 (2006.01) B65H 23/24 (2006.01) B65H 23/32 (2006.01) D21F 5/00 (2006.01) D21F 5/04 (2006.01) D21H 23/56 (2006.01) D21H 23/70 (2006.01) F26B 13/20 (2006.01)
Patent
CA 2177073
The proposed paper coating apparatus comprises a device for applying a liquid coating medium to a moving paper web, and a drying device with at least one web deflecting device which guides the web with the aid of an air cushion and without coming into physical contact with it. The web deflecting device is a deflection roll (8) which rotates in the direction of movement of the web. Means are provided for shaping the air cushion in such a way that the air flows between the web (1) and the deflection roll (8) in the direction of movement of the web. In the vicinity of the deflection roll (8) at least one non-contact drying device (9) is arranged in the path of the web.
Installation pour le couchage du papier comprenant un dispositif d'application d'un milieu liquide de couchage sur une nappe de papier continue et un dispositif de séchage présentant au moins un dispositif de renvoi de la nappe, guidant ladite nappe sans contact au moyen d'un matelas d'air. Le dispositif de renvoi est un cylindre de renvoi (8) entraîné en rotation dans le sens de déplacement de la nappe. Des moyens sont prévus pour réaliser le matelas d'air de telle façon qu'il circule entre la nappe (1) et le cylindre de renvoi (8) dans le sens de déplacement de la nappe. Au moins un dispositif de séchage sans contact (9) est agencé sur le parcours de la nappe, dans la région du cylindre de renvoi (8).
Blake Cassels & Graydon Llp
Voith Sulzer Papiermaschinen Gmbh
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