Headbox for papermaking machine

Details Headbox for papermaking machine Headbox for papermaking machine

1981-07-17

1983-06-07

Chin, Peter

Paper making and fiber liberation

Apparatus

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

162343, D21F 106

Patent

active

043870031

ABSTRACT:
A manifold-like chamber is shown having a plurality of distribution conduits in communication therewith for evenly and uniformly distributing fluid pulp stock for subsequent paper forming operations; alternate ones of such conduits communicate with the chamber as at a relatively low elevation thereof while intermediate alternate ones of such conduits communicate with the chamber at a relatively higher elevation; the distribution conduits are formed as with two straight sections joined by an intermediate single curved or bent portion to further enhance turbulence therein; the distribution conduits are further situated as have the discharge therefrom generally parallel, at least as viewed from above; edge-forming means is provided within the chamber as to thereby obtain desired flow patterns within the fluid pulp in the chamber.

REFERENCES:
patent: 3328236 (1967-06-01), Burgess, Jr. et al.
patent: 3769155 (1973-10-01), Schiel
patent: 3945882 (1976-03-01), Egelhof et al.
patent: 4198270 (1980-04-01), Kurtz et al.

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