US PATENT SUBCLASS 366 / 76.7
.~.~ Piston feeder (e.g., ram)

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}
76.7.~.~ Piston feeder (e.g., ram) {1}
76.8  DF  .~.~.~> Mixing rotor having recess for material

DEFINITION

Classification: 366/76.7

Piston feeder (e.g., ram):

(under subclass 76.1) Subject matter including a member movable along a straight path in the direction of feed of material to move the material into the mixing chamber.