US PATENT SUBCLASS 493 / 395
BENDING

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

395BENDING {6}
396  DF  .~> Form-scoring {3}
405  DF  .~> Folding {13}
459  DF  .~> Pulling over an edge (e.g., curling, etc.)
460  DF  .~> Deflecting {1}
463  DF  .~> Corrugating
464  DF  .~> Crushing or crumpling

DEFINITION

Classification: 493/395

BENDING:

(under the class definition) Method or apparatus including stressing a workpiece beyond its elastic limit, without substantial thinning flow, so that when that stress is released the workpiece will not return to its original shape.

SEE OR SEARCH THIS CLASS, SUBCLASS:

352, for bending of a sheet or web combined with cutting, breaking, tearing, or abrading.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, for a step of bending a sheet or web with thinning or thickening in a flow.