US PATENT SUBCLASS 366 / 76.3
.~.~ Screw feeder distinct from agitator

Current as of: June, 1999
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366 /   HD   AGITATING

69  DF  RUBBER OR HEAVY PLASTIC WORKING {14}
76.1  DF  .~ With specified feed means {7}
76.3.~.~ Screw feeder distinct from agitator {1}
76.4  DF  .~.~.~> Plural screws

DEFINITION

Classification: 366/76.3

Screw feeder distinct from agitator:

(under subclass 76.1) Subject matter wherein the means for conveying or admitting material is a continuous helical blade which is rotated about its longitudinal axis and is clearly distinguishable in function and structure from the agitator in the mixing chamber

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, 38, and 50, for a mortar mixer having a screw conveyor for feeding material to or discharging material from a mixing chamber.

133, and 156.1+, for a mixing apparatus in which material is fed into a mixing chamber by a screw conveyor.