D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/04 (2006.01) D21G 9/00 (2006.01) G01N 21/89 (2006.01)
Patent
CA 2541338
The invention relates to a method in tail threading in a web-forming machine, in which a threading tail is formed from the web. The threading tail is transferred to the production section (10, 12 - 14) of a web-forming machine including a draw section (21) . In the method, monitoring takes place of both the formation of the threading tail and its transfer to the draw point (21). In the method, the holding point (24) and its environment that terminates the tail threading of the production section (10, 12 -- 14) in question are additionally monitored, in order to detect the threading tail at the holding point (24) and thus to determine the success of the tail threading. The invention also relates to a corresponding arrangement.
L'invention concerne une méthode d'engagement de pointe dans une machine de formation de bande, dans laquelle l'engagement de la pointe est formée à partir de la bande. Cet engagement de pointe est transféré vers la partie de production (10, 12/14) d'une machine de formation de bande comprenant une partie d'étirage (21). Dans cette méthode, la surveillance s'effectue à la fois au niveau de la formation de l'engagement de pointe et de son transfert au point d'étirage (21). Dans la méthode de l'invention, le point de maintien (24) et son environnement qui termine l'engagement de pointe de la partie de production (10, 12/14) sont également surveillés, de sorte à détecter l'engagement de pointe, au point de maintien (24), et ainsi à déterminer la qualité de l'engagement de pointe. L'invention concerne également un agencement correspondant.
Ahvenniemi Vesa
Laitio Juha
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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