Headbox for a paper machine for the production of a fiber web of

Details Headbox for a paper machine for the production of a fiber web of Headbox for a paper machine for the production of a fiber web of

1978-05-30

1980-01-01

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162301, 162347, D21F 102, D21F 106

Patent

active

041815688

ABSTRACT:
A headbox for a paper machine for manufacturing at least a two-ply fiber web, comprising separate slice channels each connected to a separate source of fiber suspension and forming a slice opening extending across the wires of the paper machine for supplying separate fiber suspension streams upon the wires. The slice chambers are separated from each other by means of division walls each supported at the upstream end by the headbox adjustably in the cross direction with respect to the flow direction of the fiber suspension in the slice channel in order to allow adjustment of the cross sectional areas of said slice channels at the upstream ends of the division walls.

REFERENCES:
patent: 3823062 (1974-07-01), Ward et al.
patent: 3853697 (1974-12-01), Parker et al.
patent: 3923593 (1975-12-01), Verseput
patent: 4081321 (1978-03-01), Wolf et al.

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