Particle cloud coating method and apparatus

Details Particle cloud coating method and apparatus Particle cloud coating method and apparatus

1976-01-29

1977-10-11

Smith, Ronald H.

Coating processes

Solid particles or fibers applied

Fluidized bed utilized

118DIG5, 427195, B05B 1504, B05C 1106, B05D 124

Patent

active

040536610

ABSTRACT:
Objects are coated using apparatus which includes a mechanical barrier effectively interposed between a cloud of particles which is produced thereby, and the travel path for objects conveyed therethrough. The barrier means includes an upstanding baffle having an edge portion configured to progressively expose different vertical portions of the object as it is conveyed thereby. Generally, at the beginning of the travel path the lower portions of the objects will be masked by the baffle so as to promote deposition of the particles upon the upper surfaces initially. As it proceeds along the travel path, progressive exposure of the lower portions of the object will permit the complete and uniform coating thereof.

REFERENCES:
patent: 3167454 (1965-01-01), Tompson
patent: 3248253 (1966-04-01), Barford et al.
patent: 3624232 (1971-11-01), VAN Dorp et al.
patent: 3670699 (1972-06-01), Sargent
patent: 3695909 (1972-10-01), Fabre et al.
patent: 3799112 (1974-03-01), Huteaux
patent: 3817211 (1974-06-01), Brown et al.
patent: 3914461 (1975-10-01), Goodridge

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