Device and method for choking a stock suspension flow in a paper

Details Device and method for choking a stock suspension flow in a paper Device and method for choking a stock suspension flow in a paper

1994-06-30

1996-10-15

Czaja, Donald E.

Paper making and fiber liberation

Processes and products

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

138 46, 138 45, 138 44, 138 43, D21F 100, F15D 100

Patent

active

055650635

ABSTRACT:
A throttle device for stock suspensions in a paper machine including a feed line, a drain line and a spatially variable cavity connecting the feed line and drain line with each other. The cavities provided with a plurality of nestable walls in which the nesting effects a lengthening of the flow path.

REFERENCES:
patent: 2517083 (1950-08-01), Carlson
patent: 2833311 (1958-05-01), Baldelli
patent: 3095006 (1963-06-01), Smith
patent: 3954124 (1976-05-01), Self
patent: 4850336 (1989-07-01), Hogan
patent: 5156750 (1992-10-01), Henricson

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