Breast box for a papermaking machine

Details Breast box for a papermaking machine Breast box for a papermaking machine

1995-10-17

1998-08-18

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

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

162258, 162336, D21F 108

Patent

active

057954410

ABSTRACT:
Breast box for a papermaking machine. The breast box includes devices in order to add, across the width thereof, localized and dosed material dilution liquids, and located within the breast box is a guiding device having a plurality of channels located immediately downstream of the supply and distribution apparatus, with the guiding device including a multiplicity of inserts in which the channels are located and on whose outer surfaces hollow chambers are formed, wherein the hollow chambers can be filled with the material dilution liquid, the latter then flowing from these hollow chambers into open recesses in the distribution device, with the recesses being directed upstream to the suspension stream existing in the distribution apparatus during the operation thereof.

REFERENCES:
patent: 4539075 (1985-09-01), Majaniemi
patent: 4888094 (1989-12-01), Weisshuhn et al.
patent: 4897158 (1990-01-01), Weisshuhn
patent: 5196091 (1993-03-01), Hergert
German Office Action of Apr. 12, 1995.

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