US PATENT SUBCLASS 198 / 428
.~.~ By air blast or suction

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


198 /   HD   CONVEYORS: POWER-DRIVEN

418  DF  CONVEYOR SYSTEM FOR ESTABLISHING AND MOVING A GROUP OF ITEMS {8}
426  DF  .~ By shifting group of items simultaneously from stream conveyor to form a group {3}
428.~.~ By air blast or suction

DEFINITION

Classification: 198/428

(under subclass 426) Apparatus wherein the transfer means includes a gaseous fluid medium under subatmospheric or above-atmospheric pressure.

(1) Note. The pneumatic conveyor usually is (though it is not limited to) a series of suction members that engage and carry the groups of items.

SEE OR SEARCH THIS CLASS, SUBCLASS:

438, and 493+, for other conveyors having transfer means using air blast or suction.