US PATENT SUBCLASS 366 / 79
.~ Stirrer is through-pass screw conveyor

Current as of: June, 1999
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366 /   HD   AGITATING

69  DF  RUBBER OR HEAVY PLASTIC WORKING {14}
79.~ Stirrer is through-pass screw conveyor {7}
80  DF  .~.~> With deflector
81  DF  .~.~> With additional stirrer element on screw conveyor {1}
83  DF  .~.~> Plural screw conveyors on separate shafts {1}
87  DF  .~.~> And downstream breaker plate or screen
88  DF  .~.~> Including sections of different pitch
89  DF  .~.~> Varying diameter of shaft
90  DF  .~.~> Notched, apertured, or interrupted thread

DEFINITION

Classification: 366/79

Stirrer is through-pass screw conveyor:

(under subclass 69) Subject matter wherein the mixing chamber is designed to receive material at one end of a path and to discharge it at the other end in a continuous flow, and said agitator comprises a stirrer having a helical ribbon or thread type conveyor rotatable so as to mix and knead the material concurrent with conveying it through said path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318+, for screw-type stirrer within a stationary mixing chamber.

SEE OR SEARCH CLASS

100, Presses,

144+, for a concurrent pressing and conveying apparatus of general application. See the search notes in Class 100, subclass 144.

198, Conveyors: Power-Driven,

657+, for a conveying element of the screw type. 415, Rotary, Kinetic Fluid Motors or Pumps,

72+, for a pump including a rotary screw.