Turbulence insert of a papermaking machine

Details Turbulence insert of a papermaking machine Turbulence insert of a papermaking machine

1994-06-27

1996-04-09

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

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

162216, 162336, D21F 106

Patent

active

055058213

ABSTRACT:
A turbulence insert of a headbox of a papermaking machine is provided that includes a bundle of channels for guiding the suspension of materials from a first region to a second region. The channel bundle is comprised inpart of edge channels that have no adjacent channel on at least one longitudinal side, and is also comprised in part of central channels that have at least one adjacent channel on each longitudinal side. Also, at least two adjacent edge channels are provided that are joined with each other at least one part of their length.

REFERENCES:
patent: 3514372 (1970-05-01), Boyce et al.
patent: 3769155 (1973-10-01), Schiel
patent: 4687548 (1987-08-01), Ilmoniemi et al.
patent: 4784726 (1988-11-01), Evalahti
patent: 5082531 (1992-01-01), Takeuchi

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