D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/17.2
D21F 1/06 (2006.01)
Patent
CA 1084750
ABSTRACT OF THE DISCLOSURE: A means of the kind used for damping pressure disturbances in the pulp supply to a paper-making machine and comprising an air pressure tank surrounding a pulp flow passage bounded wholly or partially by a deformable wall of flexible membrane- like material which is able to oscillate in accordance with any pressure disturbances in the pulp therein and which on one side is in direct communication with a pressure air space in the tank. The pressure air space extends above the deformable wall, and at the underside of the pulp flow passage there is a rigid member which supports or constitutes the lower boundary of the pulp flow passage so that the lower boundary is immovable.
288138
Kirjavainen Alvi
Robic Robic & Associes/associates
Valmet Oy
LandOfFree
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