Support apparatus for a dewatering unit in the web forming section of a paper machine

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United States of America Patent

PATENT NO 4769111
SERIAL NO

07069145

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Abstract

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The present invention relates to a support apparatus of a dewatering unit (30) below a bottom wire of the twin wire forming section of a paper or board machine. The problem in known, corresponding arrangements has been insufficient crosswise stiffness of the dewatering unit and lack of adjustability. The above-mentioned disadvantages have been eliminated or minimized by a support arrangement, characterized in that the dewatering unit (30) is supported on beams (36) transversely in view of the machine direction by means of a hose-like pressure-medium filled elements (37), which also allow a longitudinal adjustment of the dewatering unit by means of an adjusting element (38).

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Patent Owner(s)

Patent OwnerAddress
A AHLSTROM CORPORATION29600 NOORMARKKU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nevalainen, Taisto A Imatra, FI 1 25
Nyman, Tapani E Karhula, FI 1 25

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