Method and apparatus for forming a fibrous web

Details Method and apparatus for forming a fibrous web Method and apparatus for forming a fibrous web

D - Textiles, Paper

21

F

92/14.1

D21F 9/00 (2006.01)

Patent

CA 1056185

ABSTRACT OF THE DISCLOSURE Method and apparatus for continuously forming a fibrous web, of the type having two wires defining, at the entry of the forming section, a converging, V-shaped slot into which fibrous suspension is injected, the slot being defined by a first wire training about an impermeable roll and by a second wire convergent with the first. In the forming section, the wires run together to dewater the impression in the forming section. At the end of the forming section the two wires are directed to train about a convex surface spaced from the imper- meable roll, said convex surface including are impermeable separation surface at the terminal part of the end of the forming section, wherein the outside wire remote from the convex surface follows a path diverging from the other wire and from the sheet carried on said other wire, whereof the occurrence of sheet defects due to the separation of the wire at the end of the forming section is reduced without the need for suction boxes.

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