Fluidized coating apparatus having perforated rotating disk and

Details Fluidized coating apparatus having perforated rotating disk and Fluidized coating apparatus having perforated rotating disk and

1992-11-25

1994-03-22

Owens, Terry J.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

118303, 118DIG5, 422143, B05D 700

Patent

active

052962652

ABSTRACT:
A fluidized coating apparatus wherein a rotatable perforated disk 2 is provided at the lower portion of a processing cylinder 1 and perforated disk opening portions 3 are provided in the vicinity of the outer peripheral edge of this perforated disk 2. The ratio of the total opening area of the perforated disk opening portions 3 to an area of an annular slit 8 formed between the perforated disk 2 and the inner wall of the processing cylinder 1 is within the range from 0.2 to 0.6. Each of the perforated disk opening portions 3 is provided with a cover and side walls so that gas is blown out outwardly in the radial direction or obliquely backward with respect to a rotating direction within 30.degree. to the radial direction of the perforated disk.

REFERENCES:
patent: 4034126 (1977-07-01), Funakoshi et al.
patent: 4542043 (1985-09-01), Abe et al.
patent: 4556175 (1985-12-01), Motoyama et al.
patent: 4724794 (1988-02-01), Itoh
patent: 4834299 (1989-05-01), Kishibata et al.

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