Closure for containers

B - Operations – Transporting – 65 – D

Patent

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Details

206/31, 190/71.3

B65D 41/48 (2006.01)

Patent

CA 1314501

A b s t r a c t A container closure formed in its closed state of a springy, elastomeric plastic, to be snapped onto the neck of a container with a ring-shaped retaining portion . The retaining portion is connected via a hinge to a re-closable lid . A tear-off strip is formed in the join between the lid and the retaining portion in the area opposite the hinge . The strip ' is defined by scoring to diminish its strength. A seal is provided in the join between the lid and the retaining portion , in the circum- ferential sections between the hinge and the ends of the tear-off member , said seal being in the form of material bridges spaced around the circumference of the closure. The tear-off strip extends along approximately half the circumference of the closure and is connected with substantially rigid joins between the lid and the retaining ring so that the closure can be pressed onto the neck of the container without the material bridges being broken. When the lid is opened at the hinge and the bridges are thus broken, substantially by pure tensile stress, an accoustic signal will be obtained if the bridges were unbroken.

585012

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