US PATENT SUBCLASS 493 / 169
.~.~.~.~ Plural interrelated plungers (e.g., making separate cover and container)

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

51  DF  CONTAINER MAKING {2}
52  DF  .~ Rigid container (e.g., box, carton, cap, cup, etc.) {10}
162  DF  .~.~ Folding {7}
167  DF  .~.~.~ By plunger {6}
169.~.~.~.~ Plural interrelated plungers (e.g., making separate cover and container)

DEFINITION

Classification: 493/169

Plural interrelated plungers (e.g., making separate cover and container):

(under subclass 167) Method or apparatus including use of a first male forming member on which a sheet or web workpiece is wrapped by bending stress as a result of thrust of that member and including use of a second male forming member on which a sheet or web workpiece is wrapped by bending stress as a result of thrust of that member wherein the first forming member is adapted to form a first workpiece portion and the second workpiece portion such that the product of the first member is made to interfit with the product of the second member.