D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 5/04 (2006.01) D21G 9/00 (2006.01) F26B 13/08 (2006.01)
Patent
CA 2052596
12 (57) Abstract Method and device in a multi-cylinder dryer of a paper machine in the threading of the paper web, said threading taking place substantially without a system of threading ropes. The web is passed along a meandering path, in twin-wire draw, over drying cylinders (10A,10B) and, in single-wire draw, on a drying wire (11), over drying cylinders (10;10') and leading suction cylinders (20,20') or rolls (20,20'). The leader (S) is guided by means of air blowings (F1) extending across a substantial proportion or the whole of its width (L1), said air blowings (F1) being applied from the doctor beam (12) to the area (K) of the tip of its doctor blade (14) at a certain small angle (B) in relation to the plane of the doctor blade (14).
Ilvespaa Heikki
Kuhasalo Antti
Yli-Kauppila Jouko
Ilvespaa Heikki
Kuhasalo Antti
Sim & Mcburney
Valmet Paper Machinery Inc.
Yli-Kauppila Jouko
LandOfFree
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