US PATENT SUBCLASS 366 / 83
.~.~ Plural screw conveyors on separate shafts

Current as of: June, 1999
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366 /   HD   AGITATING

69  DF  RUBBER OR HEAVY PLASTIC WORKING {14}
79  DF  .~ Stirrer is through-pass screw conveyor {7}
83.~.~ Plural screw conveyors on separate shafts {1}
84  DF  .~.~.~> In parallel intercommunicating mixing chambers {2}

DEFINITION

Classification: 366/83

Plural screw conveyors on separate shafts:

(under subclass 9) Subject matter comprising separate shafts for distinct helical ribbon or thread-type conveyors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292+, for plural stirrers within a stationary mixing chamber of general utility.