US PATENT SUBCLASS 493 / 358
.~.~.~.~ Continuous advance with endless belt folder surface moving with 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

340  DF  WITH CUTTING, BREAKING, TEARING, OR ABRADING {9}
352  DF  .~ And with bending {4}
356  DF  .~.~ Folding {1}
357  DF  .~.~.~ With means to advance work or product {3}
358.~.~.~.~ Continuous advance with endless belt folder surface moving with work

DEFINITION

Classification: 493/358

Continuous advance with endless belt folder surface moving with work:

(under subclass 357) Method or apparatus wherein the crease in the workpiece is formed by a surface that is, or is part of, an integral or concatenated band and is trained about a plurality of separated, noncoaxial pulleys or sprockets, and wherein the workpiece forming surface has a component of movement with the moving workpiece.