B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/06 (2006.01) B05B 11/00 (2006.01) B65D 41/04 (2006.01)
Patent
CA 2078629
A container-closure assembly comprises a container molded of relatively soft plastic and a closure cap molded of relatively hard plastic and having a top wall and a continuous side wall. Threads are formed on both the finish of the container and inward on the side wall of the cap. The threads on the cap comprise three threaded segments spaced about the inner circumference of the side wall. The segments include an inward upwardly sloping rib, the upper surface of which is formed with a plurality of wedge-shaped teeth. In use, the closure is screwed on to the top of the container finish and the teeth dig onto the underside of the threads on the finish causing the instantaneous elastic deformation of the plastic of the finish to anchor the cap against removal.
Finlayson & Singlehurst
Specialty Packaging Licensing Company Inc.
LandOfFree
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