Entangled non-woven web-forming apparatus

Details Entangled non-woven web-forming apparatus Entangled non-woven web-forming apparatus

1977-02-22

1979-01-02

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

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

162272, 162342, D21F 102

Patent

active

041325923

ABSTRACT:
In an apparatus for forming a non-woven, fibrous web, a device for making a uniform density dispersion of the fibers in an aqueous fiber slurry and depositing the dispersion onto a web former, while maintaining its integrity. The device includes a generally laterally divergent channel, in which the greatest depth of the flowing stream of fiber slurry is at its fiber slurry entry end, having rolls for uniformly dispersing the fibers, rolls for uniformly spreading the dispersion laterally throughout the channel, and means in cooperation with the rolls for moving the dispersion to an exit end of the channel adjacent the web former. Preferably, the device is equipped with air doctors directed at the rolls for insuring the separation of the dispersion from each roll as it is moved to another roll.

REFERENCES:
patent: 1022778 (1912-04-01), Ellis

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