Method for producing oriented fleeces or mats of short length fi

Details Method for producing oriented fleeces or mats of short length fi Method for producing oriented fleeces or mats of short length fi

1982-06-18

1985-03-19

Alvo, Steve

Paper making and fiber liberation

Processes and products

Utilizing non-aqueous suspending medium

162212, 162217, 162343, 264108, D21F 106, D21H 512

Patent

active

045057770

ABSTRACT:
The distribution and orientation of the fibers in a short fiber fleece is improved by flowing the fiber suspension onto the surface of a rotating drum through a plurality of relatively narrow channels formed in a chute. The channels may be parallel partition walls extending in the flow direction or the channels may be formed by hoses or pipes placed one next to the other on the chute. The flow speed at the exit end of the chute may be increased by narrowing the exit end cross-sectional area.

REFERENCES:
patent: 2347130 (1944-04-01), Seaborne
patent: 3216892 (1965-11-01), Wahlstrom et al.
patent: 3328236 (1967-06-01), Burgess et al.
patent: 3933960 (1976-01-01), Cameon et al.
patent: 4205921 (1980-06-01), Mahler
patent: 4271112 (1981-06-01), Rossman et al.

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