Mechanical powder flow diverting device

Details Mechanical powder flow diverting device Mechanical powder flow diverting device

1977-08-09

1979-02-06

Saifer, Robert W.

Cutlery

118312, 222193, 239124, 302 51, B65G 5356

Patent

active

041381610

ABSTRACT:
A mechanical powder flow diverting device for use in conjunction with an apparatus for the electrostatic coating of can bodies which are sequentially positioned for receiving the powder coating. A switching device is provided so that powder is directed to the position of a can body to be coated only when a can body is located in that position. A return line returns the powder flow to the powder source during the time between can bodies. The switching device utilizes a readily bendable deflectable tube for diverting the powder flow between the coating apparatus and the return line and in order to prevent a backflow of powder during the switching, each of the lines receiving powder from the tube includes a vacuum flow transducer whereby the customary dead air resistance to flow of the powder-gas admixture is eliminated and, therefore, there is no blow back of powder during the switching operation.

REFERENCES:
patent: 2720425 (1955-10-01), Coanda
patent: 2948569 (1960-08-01), Bodner
patent: 3431027 (1969-03-01), Kochey
patent: 3834418 (1974-09-01), Clancy
patent: 4025664 (1977-05-01), Gerek et al.

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