(under subclass 329) Apparatus including means to rotate closure and receptacle relative to each other so as to interlock the threads or projections carried by one with the threads, projections or apertures carried by the other.
(1) Note. Included here are devices with means to convey or feed a receptacle supporting a closure to and/or from the securing mechanisms.
SEE OR SEARCH THIS CLASS, SUBCLASS:
317+, for means which juxtapose or position a screw type closure and receptacle as well as secure one to the other.
331, for means to secure a closure both by rotation and deformation.
SEE OR SEARCH CLASS
81, Tools, 3.1+, for devices which rotate a closure with respect to a receptacle either to tighten or loosen the closure; the partially or wholly assembled closure and receptacle being presented to the device by hand.