US PATENT SUBCLASS 53 / 490
.~.~.~.~ By screwing closure on container

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

396  DF  METHODS {22}
476  DF  .~ Closing package or filled receptacle {3}
484  DF  .~.~ Closing a preformed, freestanding, rigid or semi-rigid container (e.g., box, carton, bottle) {2}
485  DF  .~.~.~ By applying a separate preformed closure (e.g., lid, cap) {5}
490.~.~.~.~ By screwing closure on container

DEFINITION

Classification: 53/490

By screwing closure on container:

(under subclass 485) Methods for applying a separate preformed closure onto the open end or neck of a filled receptacle by relative rotation of the closure and receptacle.

(1) Note. The relative rotation of the closure and receptacle normally effects an interengagement of threads or similar projections.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317+, for apparatus for applying closures by relative rotation with respect to the receptacle.