Flowbox with convergent wall portions

Details Flowbox with convergent wall portions Flowbox with convergent wall portions

1976-05-03

1978-04-11

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162336, 162343, 162344, 162347, D21F 102

Patent

active

040837505

ABSTRACT:
For a paper, board or similar fibrous web making machine, a flowbox comprising an enclosed explosion chamber having upstream and downstream walls converging from a top wall toward a bottom wall, the stock inlet being directed at the downstream wall adjacent the region of convergence. A stock outlet is provided by non-divergent upper and lower plates defining an exit slice, the lower plate being a continuation of the bottom wall and the lower plate being shorter than the upper plate.

REFERENCES:
patent: 3562107 (1971-02-01), Schmaeng
patent: 3563854 (1971-02-01), Nisser et al.
patent: 3565758 (1971-02-01), Higgins et al.
patent: 3622450 (1971-11-01), Attwood et al.
patent: 3878039 (1975-04-01), Descary et al.
patent: 3945882 (1976-03-01), Egelhof et al.

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