Apparatus and method for the manufacture of fibrous webs

Details Apparatus and method for the manufacture of fibrous webs Apparatus and method for the manufacture of fibrous webs

1986-02-06

1987-08-11

Chin, Peter

Paper making and fiber liberation

Apparatus

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

162101, 162338, 162339, 162343, D21F 102

Patent

active

046860061

ABSTRACT:
Apparatus and method for laying down a fibrous web from a foam-fiber furnish. A headbox includes walls defining an elongate channel extending transversely of the direction of movement of the forming wire. Foam-forming nozzles are positioned to introduce foam-fiber furnish into the channel for turbulence - inducing impact on an oppositely disposed wall defining the channel. The turbulently flowing foam-fiber furnish is then introduced to the headbox slice for discharge onto the forming wire with minimized MD orientation of the fibers.

REFERENCES:
patent: 2481959 (1949-09-01), Wahlin
patent: 3201306 (1965-08-01), Hornbostel
patent: 3296066 (1967-01-01), Green et al.
patent: 3798122 (1974-03-01), Appel
patent: 3871952 (1975-03-01), Robertson
patent: 3938782 (1976-02-01), Robertson
patent: 4197159 (1980-04-01), Newns et al.
patent: 4285767 (1981-08-01), Page

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