Multiple powder conveyor system

Details Multiple powder conveyor system Multiple powder conveyor system

1978-02-13

1980-03-25

Jenkins, Robert W.

Agitating

Having specified feed means

Agitation of material in feeder or supply reservoir

198662, 198548, 366294, 366320, B01F 1502, B01F 1504

Patent

active

041948440

ABSTRACT:
Apparatus for receiving and conveying a plurality of different powders simultaneously and delivering the powders continuously as a blended mix, in which a number of concentric tubes define annular bores carrying helical screw members driven at one end for axial rotation. At the delivery end the tubes are progressively inset from the outermost tube to the innermost tube. A core in the innermost tube defines the annular bore therein and is expanded diametrically at the delivery end of each tube to extend the annular bore to the end of that tube with the pitch of the helical screw member of that tube being increased over the expanded portion of the core to the end of the tube. Preferably the tubes, the helical screw members and the bore are laterally flexible.

REFERENCES:
patent: 3452965 (1969-07-01), Leister
patent: 3612130 (1971-10-01), Ponka
patent: 3802551 (1974-04-01), Semers
patent: 4057225 (1977-11-01), Ferree

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