US PATENT SUBCLASS 493 / 307
.~.~ By manually driven or manipulated means

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

269  DF  TUBE MAKING {15}
303  DF  .~ Convolute winding {3}
307.~.~ By manually driven or manipulated means

DEFINITION

Classification: 493/307

By manually driven or manipulated means:

(under subclass 303) Method or apparatus wherein the hollow cylinder is formed by apparatus that is forced to perform the coiling function by energy supplied directly by an operative, or by apparatus that is movable randomly by the operative during the time of forming of the hollow cylinder.