B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/34 (2006.01) B65D 23/00 (2006.01) B65D 41/32 (2006.01)
Patent
CA 2261017
An improved tamper resistant bottle cap and neck for bottles which hold liquid is provided. The bottle cap of the present invention includes a circular cover, a skirt depending from the periphery of the cover, and a tamper evidencing ring with ratchet teeth which mesh with a matching set of ratchet teeth on a bottle neck. The skirt of the bottle cap includes an interior surface having threads for retaining the cap to a bottle neck and a lower end having a circumferential flange with semi- circular outwardly extending tabs. The tamper evidencing ring is connected to the flange by frangible connections between the outwardly extending tabs of the flange and the ratchet teeth of the tamper evidencing ring. The bottle neck of the present invention includes a cylindrical exterior surface having threads for retaining a bottle cap, a circumferential ratchet portion below the threads, and a circumferential transfer ring below the ratchet portion. The ratchet portion includes ratchet teeth for meshing with a matching set of ratchet teeth on a bottle cap. The transfer ring includes an annular top surface and an upwardly extending circumferential ridge on the periphery of the annular top surface. The design of the frangible connections on the bottle cap and the configuration of the ridge on the transfer ring of the bottle neck enhance the tamper resistance of a bottle including the bottle cap and bottle neck of the present invention.
Hidding Douglas J.
Hidding Robert D.
Hidding Walter E.
Blackhawk Molding Co. Inc.
Cassan Maclean
Hidding Douglas J.
Hidding Robert D.
Hidding Walter E.
LandOfFree
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