US PATENT SUBCLASS 493 / 162
.~.~ 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

51  DF  CONTAINER MAKING {2}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
162.~.~ Folding {7}
163  DF  .~.~.~> By mandrel on endless carrier {1}
167  DF  .~.~.~> By plunger {6}
175  DF  .~.~.~> By mandrel {1}
177  DF  .~.~.~> Work moving transversely to fold line during folding
178  DF  .~.~.~> Work moving parallel to fold line during folding {1}
180  DF  .~.~.~> With means to advance work or product {2}
183  DF  .~.~.~> End flap folding {1}

DEFINITION

Classification: 493/162

Folding:

(under subclass 52) Method or apparatus including bendingly stressing a workpiece beyond its elastic limit along a line to form a permanent crease.

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.

231+, for making 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.

356+, for folding combined with cutting, breaking, tearing, or abrading, generally.

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