System and method for dispersing filaments

Details System and method for dispersing filaments System and method for dispersing filaments

1979-08-20

1981-08-25

Gilreath, Stanley N.

Advancing material of indeterminate length

Processes

By fluid current

19299, 28289, 226 97, B65H 5100, B65H 1732

Patent

active

042854520

ABSTRACT:
A system and method are provided for dispersing a plurality of filaments, moving at high velocity, without substantial fiber aggregation, for subsequent uniform deposition on a web-forming surface, by the use of opposed Coanda nozzles. The Coanda nozzles are operated under nonsteady-state conditions whereby a substantially nonsymmetrical filament pattern is created between the opposed Coanda surfaces.

REFERENCES:
patent: 3325906 (1967-06-01), Franke
patent: 3460731 (1969-08-01), Troth, Jr.
patent: 3485428 (1969-12-01), Jackson
patent: 3601860 (1971-08-01), Keib
patent: 3738894 (1973-06-01), Lipscomb et al.
patent: 3776796 (1973-12-01), Lipscomb et al.
patent: 4099296 (1978-07-01), Gustavsson

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