US PATENT SUBCLASS 493 / 123
.~.~.~.~ And use of vacuum to handle 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

51  DF  CONTAINER MAKING {2}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
121  DF  .~.~ Securing {6}
122  DF  .~.~.~ Including use of work blank supply hopper {2}
123.~.~.~.~ And use of vacuum to handle work {2}
124  DF  .~.~.~.~.~> To place blank onto folder
125  DF  .~.~.~.~.~> With conveyor for advance to folder

DEFINITION

Classification: 493/123

And use of vacuum to handle work:

(under subclass 122) Method or apparatus including applying reduced pressure to a portion of a workpiece so that atmospheric pressure acting on an opposing portion thereof assists in manipulation of the workpiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84, for making a rigid container including assembling of distinct members by use of vacuum to manipulate a workpiece.

181, for making a rigid container with folding and feeding a work blank from a hopper by use of a suction-type blank handling means.