B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/25
B65D 51/20 (2006.01) B65D 50/04 (2006.01) B65D 55/02 (2006.01)
Patent
CA 1143339
P-384 CHILD-RESISTANT CLOSURE AND CONTAINER ASSEMBLY INCLUDING IMPROVED OUTER CAP ABSTRACT A safety closure and container assembly including a container and a closure comprising outer and inner caps which may be attached to the container by conventional capping machines. In first, second, third and fourth embodiments of the invention, the inner cap is formed with a circular dome-shaped top panel with a skirt portion pro- jecting axially therefrom, The projecting skirt portion is threaded on its interior surface for engagement with a conventionally threaded con- tainer finish. A plurality of upwardly extend- ing and spaced apart drive members are integrally molded with the periphery of the top panel. plurality of ramped ratchet lugs also extend upwardly from the upper surface of the top panel. The outer cap has a circular end wall with an axially projecting second skirt portion. In the fourth embodiment of the outer cap, the end wall has an annular portion having a smaller thickness than the remainder of the end wall. The second skirt portion loosely encompasses the first skirt portion to allow relative rotary movement between the inner and outer caps. Integrally formed on the interior of the end wall are a plurality of inclined ramped ratchet lugs. In the fourth-embodiment of the outer cap a plurality of spaced, sloping ratchet projections are integrally formed on the interior of the end wall. The re- duced thickness of the annular portion and the P-384 ratchet projections facilitate slippage of the outer cap over the inner cap to prevent removal of the closure unless the inner and outer caps are first aligned and then the outer cap is pressed down to overcome the bias of the dome- shaped top panel. A plurality of drive lugs extend downwardly from the periphery of the interior of the end wall.
366729
Birrell Stewart H.
Hedgewick Peter
International Tools (1973) Limited
Smart & Biggar
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