US PATENT SUBCLASS 493 / 309
CONTAINER OR TUBE ERECTING, OPENING, OR COLLAPSING

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

309CONTAINER OR TUBE ERECTING, OPENING, OR COLLAPSING {5}
310  DF  .~> Including overfolding or reverse bending
311  DF  .~> Collapsing
312  DF  .~> Cellular container
313  DF  .~> By direct application of vacuum or fluid pressure {3}
318  DF  .~> By orbital means {1}

DEFINITION

Classification: 493/309

CONTAINER OR TUBE ERECTING OPENING, OR COLLAPSING:

(under the class definition) Method or apparatus including repositioning one wall of a previously made receptacle or hollow cylinder with respect to another (a) to make the interior enclosed space larger; (b) to provide access to the interior of the receptacle or hollow cylinder; or, to make the interior enclosed space smaller.

(1) Note. This and indented subclasses contain what are known as "flattened tubular containers" which have been made

into the tubular form in a prior operation and have been stacked for storage and shipment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51+, for erecting a tube combined with closing an end of the tube to form a container; and for making a container combined with erecting the container.