Method and apparatus for zoned application of particles in fibro

Details Method and apparatus for zoned application of particles in fibro Method and apparatus for zoned application of particles in fibro

1992-01-27

1993-09-28

Beck, Shrive

Coating processes

Solid particles or fibers applied

Localized different areas produced

427197, 427202, 427206, 118308, 118310, 118314, B05D 114

Patent

active

052485242

ABSTRACT:
An apparatus and method for effecting zoned deposition of superabsorbent particles in a fibrous web includes the use of dual dispensing nozzles for forming selected deposition patterns. Fluidized streams of the superabsorbent particles are formed, with rotary valve assemblies employed for creating pulsed flow to each of the dispensing nozzles. The length, width, and relative positioning of the deposition patterns can be selectively varied in accordance with desired performance characteristics.

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