D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/17.7
D21F 1/00 (2006.01) D21F 9/02 (2006.01)
Patent
CA 1317807
ABSTRACT OF THE DISCLOSURE A method of and arrangement for resisting formation of undulations in a fiber/water mixture sup- plied onto a forming wire at an open planar wire sec- tion of a paper-making maching include establishing over the wire an air curtain extending over the full breadth thereof, in the region of which the air mass upon the wire is set in motion. The direction of move- ment of the air mass is the same as the traveling di- rection of the wire, and the velocity of the air sub- stantially equals the speed of the wire. The air curtain commences on the planar wire section, in the machine direction, only at a given distance from a lip slice of a headbox of the machine, and the air curtain extends along the traveling direction of the web over the planar wire section over a given distance.
545070
Eskelinen Pekka
Haverinen Timo
Jaatinen Paavo
Jokinen Juhani
Malkki Raimo
Eskelinen Pekka
Haverinen Timo
Jaatinen Paavo
Jokinen Juhani
Kymmene Oy
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