Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With liberating or forming of particles
Patent
1991-05-13
1993-07-20
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With liberating or forming of particles
264517, 264121, 264122, 425 801, 425 821, B27N 500
Patent
active
052290522
ABSTRACT:
A method and apparatus for applying fibers to a foraminous mold or surface using strands of binder and glass fibers is disclosed. A strand of binder fiber is chopped and entrained into a chute. The chute has a longitudinal airstream directed therethrough toward the foraminous surface. The binder fiber is separated into filaments by the airstream. The glass fiber strand is chopped and entrained into the chute downstream of the filaments. The chopped glass and the binder filaments mix within the chute and are then directed by the airstream onto the foraminous mold or surface. The mixture may be fanned out from the chute to provide more even coverage of large sized molds or surfaces.
REFERENCES:
patent: 2702261 (1955-02-01), Bacon
patent: 3010161 (1961-11-01), Duvall
patent: 3328383 (1967-06-01), Roscher et al.
patent: 3777231 (1973-12-01), Guschin
patent: 3834869 (1974-09-01), Ancelle et al.
patent: 3963392 (1976-06-01), Goyal
patent: 4701294 (1987-10-01), Radwanski et al.
Theisen Mary Lynn
Wellman Machinery of Michigan, Inc.
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