D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
271/55
D21F 9/02 (2006.01) D21F 1/52 (2006.01) D21F 9/00 (2006.01)
Patent
CA 1305978
Abstract A method of and an arrangement for leading a web on to a desired wire in a paper machine or the like. When the web moves between two wires, it is transferred on to one wire after the wires have moved in parallel over a distance with the web therebetween making contact with both wires. The transfer takes place when the wires start to move in different direc- tions by sucking the web on to one of the wires by a vacuum acting through said wire. For improving the de- tachment of the web from the other wire, the direction of travel of the wire is changed abruptly at the part- ing point of the wires by leading it along a suction box comprising a cover piece formed by cleats and ar- ranged to form an angle in such a way that the point of the angle projects towards the wire. When the wire moves along the cleats of the cover piece of the suc- tion box, its direction of travel is abruptly changed at the point line of the angle, whereby the web is de- tached from the other wire completely in a moment. (Figure 1)
568955
Hietikko Erkki
Kylmakorpi Ilpo
Lamminen Veikko
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Valmet Corporation
LandOfFree
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