Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1977-11-11
1978-07-04
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215207, 215211, 215215, 215302, 215296, B65D 5502, B65D 8556
Patent
active
040984176
ABSTRACT:
A plug fitment adapted to be removably inserted in a circular port to seal same in a substantially air tight manner comprises a somewhat flexible body of generally cylindrical shape. The body has an open upper end and an interior region bounded by an inner wall and communicating with the open end and has a vertical axis. The upper end has a circular peripheral lip lying in a horizontal plane and having an inner periphery defining the periphery of a circular opening centered on said axis. Slightly flexible means disposed in said upper end and said region includes a vertical member spaced from the inner wall and aligned with said axis. The member has a top end disposed below said horizontal plane. The member has a vertical slit extending downwardly from the top end to a bottom position intermediate the top end and the bottom of said member. A circular generally flat slightly flexible key disc is disposed horizontally and removably in said opening. The disc has a lower surface resting upon said top end of the member and an upper surface essentially coplanar with said lip. The disc, when removed from said opening and oriented vertically, is removably insertable in said slit. The thickness of the disc and the width of the slit have relative values at which the disc, when inserted in the slit, cannot be separated from the body until the body and disc are removed as a unit from said port, whereby after the unit is so removed, the body and disc can be pulled apart manually.
REFERENCES:
patent: 3473681 (1969-10-01), Hall, Jr.
patent: 3811590 (1974-05-01), Hall, Jr.
patent: 3831796 (1974-08-01), Claasen
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