US PATENT SUBCLASS 493 / 85
.~.~.~ With extruding, drawing, or attenuating


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}
84  DF  .~.~ Assembling of distinct members {12}
85.~.~.~ With extruding, drawing, or attenuating


DEFINITION

Classification: 493/85

With extruding, drawing, or attenuating:

(under subclass 84) Method or apparatus combined with forcing material through an orifice or pulling, pushing, or stretching material to thicken or thin the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

293, for tube making combined with extruding, drawing, or attenuating.

338, for an operation of this class, generally, combined with extruding, drawing, or attenuating.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, for a method of forming material by forcing it through an orifice or wherein there is thinning or thickening flow of the material. See the line note under the definition of this class (493).

425, Plastic Article or Earthenware Shaping or Treating: Apparatus, for apparatus for forming material by forcing it through an orifice or wherein there is thinning or thickening flow of the material. See the line note under the definition of this class (493).