Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1984-04-23
1985-05-14
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215206, 220260, 220307, B65D 5502, B65D 8556, A61J 100
Patent
active
045166838
ABSTRACT:
A child-resistant closure comprising a can ring provided with an orifice through which the container is filled or emptied, the orifice having a peripheral rim in the form of an inverted U-shaped channel defined by an exterior leg and an interior leg, a portion of the interior leg extending below the lower edge of said interior leg to provide an unlocking tab, said can ring being further provided with indicia in its top surface to designate the location of said unlocking tab, and a cap, the cap comprising a disc portion; an annular ring portion disposed in a plane parallel to said disc portion, said annular ring portion having a peripheral sealing skirt; an annular wall connecting the disc portion and the annular ring portion, the annular wall forming with the sealing skirt an arcuate annular groove on the underside of the annular ring portion, the annular groove being adapted for flush superposition on the inverted U-shaped channel; a pull tab extending outwardly horizontally from the periphery of the annular ring portion; an annular retaining flange extending through the periphery of the disc portion; and a first protrusion extending outwardly horizontally from said annular retaining flange, the protrusion being proximate to and in alignment with the pull tab.
REFERENCES:
patent: 165962 (1875-07-01), Stevens et al.
patent: 3393818 (1968-07-01), McIntosh
patent: 3669295 (1972-06-01), Horvath
patent: 3759411 (1973-09-01), Horvath
patent: 3966082 (1976-06-01), Hopkins
patent: 4043474 (1977-08-01), McCord
patent: 4315578 (1982-02-01), Ludwig, Jr.
patent: 4401225 (1983-08-01), Schwaikert
patent: 4413748 (1983-11-01), Kessler et al.
Hall George T.
The Drackett Company
Zeller Charles J.
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