Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1996-10-17
1998-05-12
Cronin, Stephen
Bottles and jars
Closures
Having warning means or means impeding closure removal
215252, B65D 5502
Patent
active
057494843
ABSTRACT:
A child-resistant, tamper-evident closure for a container having an externally threaded neck finish includes a combination of inner and outer caps. The inner cap includes a tamper-evident band which is connected to the inner cap by frangible elements. The inner cap includes folded ratchet-like tabs which are locked in position behind an annular bead. The tabs are arranged so as to engage an annular lip on the neck finish. The outer cap snaps over the inner cap and includes a series of ratchet-like lugs which are directed toward the inner cap. The top surface of the inner cap includes a series of cooperating ratchet-like lugs. So long as a downward force is not exerted on the outer cap, the child-resistant arrangement permits the outer cap to turn relative to the inner cap in a counterclockwise direction. However, when a sufficient downward force is applied, the lugs of the outer cap are drawn into abutment with the cooperating lugs of the inner cap and the outer cap is used to remove the inner cap. In the clockwise direction, the lugs cooperate such that turning of the outer cap advances the inner cap into threaded engagement. In another embodiment, removal of the inner cap from the neck finish is achieved by ovalizing the outer cap so as to bring into engagement ribs on the inner cap with ribs on the inside surface of the sidewall of the outer cap.
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Cronin Stephen
Rieke Corporation
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