Wire section of a machine for making fibrous material webs

Details Wire section of a machine for making fibrous material webs Wire section of a machine for making fibrous material webs

1994-08-08

1996-09-10

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162272, 162300, D21F 100, D21F 148

Patent

active

055542670

ABSTRACT:
A wire section of a machine for making a fiber web, with two continuous wires forming together a twin-wire zone. A dewatering element is pressable on the inside of the wire with at least one surface. The dewatering element features in the direction of travel of the fiber suspension, in interaction with the wires, two dewatering zones. The first dewatering zone is defined by an essentially flat surface, while a second dewatering zone is defined by a surface curving about an axis of curvature in the direction of travel of the fiber suspension. Coordinated with the dewatering element are at least two support axes on which support elements are arranged. Coordinated with the dewatering element is a pivot axis. The pivot axis is stationary as regards the tilting operation, and extends parallel to the separation plane between the first and second dewatering zones and parallel to the wire. The pivot axis is arranged in the area of the axis of curvature.

REFERENCES:
patent: 4146424 (1979-03-01), Justus
patent: 4414061 (1983-11-01), Trufitt
patent: 4523978 (1985-06-01), Pullinen
patent: 4623429 (1986-11-01), Tissari
patent: 5045153 (1991-09-01), Sollinger

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