US PATENT SUBCLASS 493 / 319
.~.~ Endless belt or chain


Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

309  DF  CONTAINER OR TUBE ERECTING, OPENING, OR COLLAPSING {5}
318  DF  .~ By orbital means {1}
319.~.~ Endless belt or chain


DEFINITION

Classification: 493/319

Endless belt or chain:

(under subclass 318) Method or apparatus wherein the structure adapted to move in a closed loop path includes a workpiece engaging surface which is, or is part of, an integral or concatenated band that is trained about a plurality of separated, noncoaxial pulleys or sprockets.