Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1976-08-18
1977-10-11
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215211, 215350, B65D 5502, B65D 8556
Patent
active
040530787
ABSTRACT:
A child safe closure of the kind which is secured to a container by interengagement of locking lugs within locking recesses is provided with a sealing member which provides a moisture tight seal with an internal wall of the container. The sealing member has a sealing bead which is inserted deeply within the container opening to a location adjacent or below the lower ends of integrally formed locking lugs or recesses on the container to avoid any depressions made in the interior wall of the container during cooling of thicker cross sectional portions of the container wall. A tapered lead-in surface on the container guides and centers the sealing bead as it travels downwardly toward its sealing position. Preferably, the sealing member is in the form of a separable, flexible sealing fitment retained within the closure cap and formed with an annular flange connected through an annular transverse V-shaped web to a circular planar crown. An annular wall depends from the annular flange and has the peripheral sealing bead thereon. The crown of the fitment is compressed against the top wall of the closure cap to bias the locking lugs into locking relation with the recesses on the container.
REFERENCES:
patent: 3339770 (1967-09-01), Weigand
patent: 3623623 (1971-11-01), Bauer
patent: 3974928 (1976-08-01), Domaracki et al.
Hall George T.
Kerr Glass Manufacturing Corporation
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