Headbox and method for producing multilayer and multi-ply paper

Details Headbox and method for producing multilayer and multi-ply paper Headbox and method for producing multilayer and multi-ply paper

1994-06-27

1997-03-11

Czaja, Donald E.

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162123, 162131, 162336, 162343, 162DIG11, D21F 1104

Patent

active

056097263

ABSTRACT:
A multilayer headbox of a paper machine for producing a paper web with several layers having different properties, and an appropriate method therefor. In at least one first layer there is adjusted alone the fiber orientation cross profile and in at least one second layer there is adjusted alone the basis weight cross profile.

REFERENCES:
patent: 3384537 (1968-05-01), Keller
patent: 3711688 (1973-01-01), Stout et al.
patent: 3839143 (1974-10-01), Suckow
patent: 4141788 (1979-02-01), Justus
patent: 4765868 (1988-08-01), Fujiwara
patent: 4898643 (1990-02-01), Weisshuhn et al.
patent: 5104488 (1992-04-01), Chase

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