Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1985-04-23
1986-09-02
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
B65D 5502
Patent
active
046091149
ABSTRACT:
A nested, two-piece, child-resistent closure is provided which includes an inner cap having a rigid, non-deformable upper end and a cylindrical skirt with a smooth outer surface and threaded inner surface. The outer upper end of the inner cap includes a series of upwardly projecting lugs arranged adjacent the center thereof. A series of upwardly projecting segments, of a height less than that of the lugs, is arranged about the periphery of the upper end of the inner cap. The outer cap, coaxially aligned with and generally overlapping the inner cap, has a resilient upper end and a cylindrical skirt with a smooth inner surface. Depending downwardly from the inner surface of the outer cap's upper end is a series of lugs aligned with the lugs on the inner cap to provide unidirectional drive means in the closure direction. The outer cap also has a series of downwardly projecting segments designed to engage the segments adjacent the periphery of the inner cap upon deformation of the edge of the outer cap, thus permitting rotation of the inner cap in the removal or unthreading direction.
REFERENCES:
patent: 2964207 (1960-12-01), Towns
patent: 3055524 (1962-09-01), Glasbrenner
patent: 3472411 (1968-03-01), Turner
patent: 3764033 (1973-10-01), Smith et al.
patent: 3795337 (1974-03-01), Nozawa
patent: 3795338 (1974-03-01), Swartzbaugh et al.
patent: 3817416 (1974-06-01), Costa
Hall George T.
Kerr Glass Manufacturing Corporation
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