Paper machine headbox and method of controlling pulp material pa

Details Paper machine headbox and method of controlling pulp material pa Paper machine headbox and method of controlling pulp material pa

1994-05-11

1995-11-14

Jones, W. Gary

Paper making and fiber liberation

Processes and products

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

162343, 162336, D21F 102

Patent

active

054663407

ABSTRACT:
A paper machine headbox having divided sections for feeding pulp suspensions with different properties therethrough includes a single inlet line and a plurality of feed lines connected thereto. In at least one of the feed lines, there is a separation device which separates certain pulp suspension components from the pulp suspension flowing therethrough. A discharge line connected to the separation device conveys separated pulp suspension components therefrom. A continuing feed line connected to the separation device conveys the remaining pulp suspension to the headbox.

REFERENCES:
patent: 1965579 (1934-07-01), Dennett
patent: 2931503 (1960-04-01), Clark
patent: 3271241 (1966-09-01), Mumme 162380

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