US PATENT SUBCLASS 53 / 331
.~.~.~ Thread and crimp


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

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
287  DF  .~ Separate closure applying {17}
329  DF  .~.~ Closure securing means {9}
331.~.~.~ Thread and crimp


DEFINITION

Classification: 53/331

(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

member.