US PATENT SUBCLASS 493 / 356
.~.~ Folding

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.~.~ Folding {1}
357  DF  .~.~.~> With means to advance work or product {3}

DEFINITION

Classification: 493/356

Folding:

(under subclass 352) Method or apparatus comprising bendingly stressing a sheet or web workpiece beyond its elastic limit along a line to form a permanent crease.

(1) Note. Folding of cloth is included in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

68, for making a rigid container including folding and assembling combined with cutting, breaking, tearing, or abrading by a rotary tool.

69+, for making a rigid container including folding combined with cutting, breaking, tearing, or abrading by a rotary tool.

79+, for making a rigid container including folding combined

with cutting, breaking, tearing, or abrading by a reciprocatory tool.

151, for making a rigid container including coating with an adhesive and folding. 162+, for making a rigid container including folding.

231+, for making a pliable container including folding combined with cutting, breaking, tearing, or abrading.

243+, for making a pliable container including folding.

353, for folding combined with cutting, breaking, tearing, or abrading by a composite tool.

405+, for folding, generally, of a sheet or web.