Sheet forming apparatus including edge seals for forming wires

Details Sheet forming apparatus including edge seals for forming wires Sheet forming apparatus including edge seals for forming wires

1977-02-04

1978-11-07

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162317, 162346, 162353, D21F 100

Patent

active

041244419

ABSTRACT:
An apparatus for forming a fibrous sheet, which apparatus comprises a first and a second endless wire for accomplishing a forming zone between mutually converging wires; a feed box with lips forming an outlet opening for feeding fibre suspension into the gap of the forming zone between the wires, the first wire being in an essentially tight contact with the first lip of the feed box, the second wire being in an essentially tight contact with the other lip of the feed box, and on both sides of the forming zone mutually essentially parallel side walls being arranged for tightening both sides of the forming zone against the wires; and rolls for guiding the wires, whereby the second wire is, at least along the sheet forming zone, arranged to run along the surface of a wire cylinder equipped with suction devices, whereby the first wire, which is guided from a breast roll arranged on the opposite side of the feed box relative to the wire cylinder, is, at least along the sheet forming zone, arranged to run carried by the sheet to be formed along the surface of the wire cylinder.

REFERENCES:
patent: 2737088 (1956-03-01), Heys
patent: 3224928 (1965-12-01), Lee et al.
patent: 3619362 (1971-11-01), Parker
patent: 3645842 (1972-02-01), Ward

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