US PATENT SUBCLASS 493 / 335
.~.~.~ Indeterminate length work


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

328  DF  WITH COATING {3}
331  DF  .~ Adhesive {4}
334  DF  .~.~ With assembling of distinct members {1}
335.~.~.~ Indeterminate length work


DEFINITION

Classification: 493/335

Indeterminate length work:

(under subclass 334) Method or apparatus wherein the workpiece is a web of such length that the apparatus does not engage (recognize) both the leading end and the trailing end of the workpiece.

(1) Note. A spool or coil of work is considered to be "indeterminate length".

SEE OR SEARCH THIS CLASS, SUBCLASS:

18, for an operation of this class utilizing a first and second sensor, one of which is a surface contacting sensor for indeterminate length work.

24+, for an operation of this class including the use of a sensor responsive to indeterminate length work.

97, for making a rigid container including assembling therewith a liner permanently secured to a wall of the container with use of an indeterminate length work supply.

193+, for making a pliable container including heat sealing of indeterminate length work.

380+, for assembling of this class wherein one workpiece is of indeterminate length. 404, for folding an indeterminate length workpiece by a roller.

410+, for overfolding or unfolding an indeterminate length workpiece.