Patent ID: 8061567

Claim:
Components for mounting on a receptacle having a neck and a flange to secure a dispensing assembly for dispensing a substance from the receptacle, comprising: a ferrule adapted to maintain a coupling of a dispensing module to the receptacle, the ferrule including a shoulder member securable to said dispensing module, a skirt defining an aperture open on one end, wherein said dispensing module extends through said aperture when secured to said shoulder member, said skirt having a lip on the ferrule outer surface adjacent said other end of said ferrule skirt, and a recess in said ferrule skirt adjacent said lip, said recess being between said lip and said ferrule skirt other end; and a substantially rigid annular collar adapted to be positioned over said ferrule skirt outer surface when said ferrule is mounted on said receptacle, said collar being open on one end, and at the portion of said collar positioned over said lip and recess when said collar is position thereover, having a substantially axially flat inner surface; wherein said lip extends to a diameter greater than the diameter of said collar one end and to a diameter greater than the diameter of said recess therebeneath whereby said lip is pushed axially down and radially inward into said recess when said collar is pushed over said ferrule.