US PATENT SUBCLASS 100 / 117
.~.~.~ Helix

Current as of: June, 1999
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100 /   HD   PRESSES

104  DF  WITH DRAIN MEANS FOR EXPRESSED LIQUID {8}
110  DF  .~ Drainage through or along pressure surface {6}
116  DF  .~.~ Movable surface {3}
117.~.~.~ Helix

DEFINITION

Classification: 100/117

(under subclass 116) Apparatus in which the surface through or along which the collecting means or duct extends is a helical member which is rotated to exert the pressing force.

SEE OR SEARCH THIS CLASS, SUBCLASS:

145+, for concurrent pressing and conveying presses of the helical compressor type.