(under the class definition) Device comprising means acting at the juncture of the closure and closure support or receptacle mouth to oppose the passage of fluid therebetween.
SEE OR SEARCH THIS CLASS, SUBCLASS:
614, for sealing means comprising an inner closure seamed to the receptacle body, or for particular means for soldering the inner frangible closure in place.
SEE OR SEARCH CLASS
215, Bottles and Jars,
341+, for gaskets and seals peculiar to that class.
222, Dispensing,
542, for dispensers with a packing seal for the outlet.
277, Seal for a Joint or Juncture, for a generic sealing means or process,
628+, for a static contact seal for other than an internal combustion engine, or a pipe, conduit, or cable.