Stock inlet arrangement for a paper-making machine

Details Stock inlet arrangement for a paper-making machine Stock inlet arrangement for a paper-making machine

1974-02-14

1976-03-23

Lindsay, Jr., Robert L.

Paper making and fiber liberation

Apparatus

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

162338, 162336, 162343, D21F 102

Patent

active

039458822

ABSTRACT:
A paper-making machine has a stock supply conduit, a slice, and a pre-slice flow distributing system which communicates with the slice and directs a flow of paper-making stock from the supply conduit to the slice. The system includes a manifold extending longitudinally of the slice, being spaced from the same and having an inlet side through which stock flows from the conduit in direction transversely of the elongation of the manifold. A first side wall of the manifold extends from the inlet side in the flow direction and has a first wall portion which is convex transverse to the flow direction so as to be tangentially approached by the flowing stock and which is formed with a plurality of outlet openings each having a center axis. A second side wall of the manifold is transversely spaced from and extends along the first side wall, having a second side wall portion which is so inclined with reference to the first side wall portion that the direction of flow of stock travelling between and being guided by the side wall portions includes identical angles with the center axes of the respective outlet openings.

REFERENCES:
patent: 2688277 (1954-09-01), Luebke
patent: 2894581 (1959-07-01), Goumeniouk
patent: 3061008 (1962-10-01), Walker
patent: 3351522 (1967-11-01), Lopas
patent: 3400044 (1968-09-01), Justus
patent: 3652392 (1972-03-01), Appel
patent: 3823062 (1974-07-01), Ward et al.
keller, "The Manifold Problem," Journal of Applied Mechanics, (Mar. 1949) pp. 77-85.

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