US PATENT SUBCLASS 493 / 461
.~.~ Of longitudinally moving work

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

395  DF  BENDING {6}
460  DF  .~ Deflecting {1}
461.~.~ Of longitudinally moving work {1}
462  DF  .~.~.~> To form convolute coil (e.g., paper "log", etc.)

DEFINITION

Classification: 493/461

Of longitudinally moving work:

(under subclass 460) Method or apparatus wherein the workpiece is a sheet or web including a pair of planar surfaces of greater extent in one direction that in the other comprising moving the workpiece in the direction parallel to the greatest dimension to stress the sheet or web workpiece beyond the elastic limit thereof.