US PATENT SUBCLASS 493 / 301
.~.~ And advancing by wrapping belt

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}
299  DF  .~ Spiral winding {2}
301.~.~ And advancing by wrapping belt

DEFINITION

Classification: 493/301

And advancing by wrapping belt:

(under subclass 299) Method or apparatus including use of an endless member adapted to partially encircle the formed hollow cylinder and move with the cylinder along its axis thereabout.