Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1983-04-01
1985-07-30
Chin, Peter
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
162352, 162374, D21F 100, D21G 900
Patent
active
045320098
ABSTRACT:
The present invention discloses forming board elements for paper-making machines. The elements are provided with notches on their leading edges for generating longitudinal waves on the forming fabric. These waves induce transversal shear forces within the stock to break up fiber flocs which form within or downstream from the headbox.
REFERENCES:
patent: 3220920 (1965-11-01), Truxa
patent: 3573159 (1971-03-01), Sepall
patent: 3598694 (1971-08-01), Wiebe
patent: 4425188 (1984-01-01), Fujiwara
Albany International
Chin Peter
LandOfFree
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