B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/45
B65D 41/04 (2006.01) B65D 50/04 (2006.01) B65D 55/02 (2006.01)
Patent
CA 1146497
ABSTRACT A childproof safety screw cap and container having yieldable cap retainer means which are overcome, to effect cap removal, by a quarter-turn twist that produces a rela- tively large axial cap travel due to the provision of mul- tiple screw thread elements thereon. The cap can be pushed straight on, accompanied by bypassing of the threads. The retainer means and the threads increase their interlock action if the cap is squeezed laterally, as by the act of a child applying its teeth to the cap. A shielding flange on the container defeats efforts to bite the cap under its bottom rim, and a bevelled top peripheral portion of the cap defeats its being gripped at the top, by the teeth. The advantage of the present construction over the devices of the prior art is that an especially simple one- quarter turn movement, while squeezing, is all that is required to remove the cap regardless of the initial position thereof, as opposed to the prior arrangements where movements of as much as one-half turn or more were required.
375875
Smart & Biggar
Stull Morton
LandOfFree
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