US PATENT SUBCLASS 53 / 489
.~.~.~.~ By plugging closure into 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}
489.~.~.~.~ By plugging closure into container

DEFINITION

Classification: 53/489

By plugging closure into container:

(under subclass 485) Methods for inserting a separate preformed closure within, or partially within an aperture of a filled receptacle to close the receptacle.

(1) Note. Included here are methods of closing utilizing a resilient closure element which is compressed, inserted into a receptacle aperture, and allowed to expand to seal the aperture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

264, for apparatus for applying closures of internally stoppered receptacles.

319+, for closure inserting devices.

488, for methods of closing receptacles including inserting closures into receptacle apertures and then conforming portions of the closure to the receptacle.