Dusting apparatus

Details Dusting apparatus Dusting apparatus

1980-07-17

1982-06-15

McIntosh, John P.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

To remove or spread applied coating by gas blast

118125, 118308, 118312, 118325, B05C 1106, B05C 1902

Patent

active

043344941

ABSTRACT:
Apparatus for dusting articles such as electrical cables with a powder such as talc, to prevent the articles sticking together, comprises means for agitating powder in a chamber and means for conveying powder-laden air from the chamber to a dusting nozzle.
For efficient dusting of an article, it is important that a constant uniform flow of powder-laden air is conveyed to the dusting nozzle.
A fluidized bed of dusting powder is created by a fan creating an air flow up through a permeable screen. A conveying nozzle receives some of the air flow, being positioned close to the screen, and comprises a convergent portion which accelerates the flow of powder-laden air to transport it to a discharge portion of the nozzle.

REFERENCES:
patent: 2228129 (1941-01-01), Stephano
patent: 2648396 (1953-08-01), Kirby
patent: 3207618 (1965-09-01), DeHart
patent: 3603287 (1971-09-01), Christy et al.
patent: 4263871 (1981-04-01), Gibson

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