(under subclass 329) Apparatus including means to secure a closure member by interengagement of projections on both closure and receptacle by relative rotation plus a reshaping or distortion of a portion of the closure member to conform to or embrace the receptacle.
(1) Note. The combination of means (1) to interengage the threads or lugs of a closure and a receptacle by relative rotation and means (2) which deform a portion of the closure member simultaneously or subsequent to such interthread engagement is considered beyond the scope of Class 81, subclasses 3.1+ and such art is here classified.
SEE OR SEARCH THIS CLASS, SUBCLASS:
317+, for screw or lug closure applying means, per se, and subclasses following this subclass (331) for closure securing by means of reshaping or distorting portion of the closure
