D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/15.3, 92/17.7
D21F 1/66 (2006.01) D21F 1/48 (2006.01) D21F 3/00 (2006.01) D21F 9/00 (2006.01)
Patent
CA 2004124
ABSTRACT OF THE DISCLOSURE The present invention relates to an apparatus for guiding the wires of a paper making machine former. The former comprises a double wire section including two wires (1, 2) running generally parallel with each other in a longitudinal direction (R) in which on the other side or face of at least one of the wires (1, 2) co- operates with a dewatering unit (10) to drain water from the stock (3) flowing in a dewatering zone between the wires. At least the wire (2) which is remote from the dewatering unit is pressed by means of guide rods (20) or the like support members against the wire (1) nearest to the dewatering unit (10). The load of these guide rods (20) is controlled by a separate pressurized load hose construction or arrangement (21) disposed between each guide rod (20) and a support table or the like in order to achieve the desired press to the stock (3) between the wires (1, 2). Each load hose construction (21) is, equipped with separate pressure chambers into which a desired pressure can individually be conducted to achieve a desired guide rod load against the wire leaning against the said guide rod across the web width.
Evalahti Osmo
Gowling Lafleur Henderson Llp
Valmet-Ahlstrom Inc.
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