Coating processes – Solid particles or fibers applied
Patent
1995-05-15
1996-10-22
Beck, Shrive
Coating processes
Solid particles or fibers applied
427424, 239101, 2394273, B05D 102, B05D 112, B05B 108, B05B 714
Patent
active
055674720
ABSTRACT:
The present invention provides a method and apparatus for forming a pulsed stream of discrete particles of absorbent material. The apparatus comprises a particle metering apparatus for providing a stream of particles having a predetermined mass flow rate, an ejector having an acceleration air nozzle for accelerating the stream of particles, at least one deceleration air nozzle; and valving for alternately directing air through the acceleration and deceleration nozzles. The apparatus can be used to form a fibrous web having a predetermined variation in basis weight of absorbent material along the length of the web.
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Advertisement, "Fox Venturi Eductors for Conveying Solids with No Moving Parts" published by Fox Valve Development Corporation of Dover, NJ 1991.
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Fleming James M.
Janson John P.
Siegfried Robert H.
Stalford Michael J.
Beck Shrive
Gressel Gerry S.
Huston Larry L.
Linman E. Kelly
Parker Fred J.
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