Bottles and jars – Closures – Frangible member or portion
Patent
1985-05-31
1986-07-29
Norton, Donald F.
Bottles and jars
Closures
Frangible member or portion
215253, 220270, 220266, B65D 4148
Patent
active
046027181
ABSTRACT:
A tamper-evident closure, having a lower band attached by connecting ribs to the lower edge of the skirt portion of a cap, is disclosed. The attaching ribs for the lower band extend radially inwardly, and are adapted to engage radially outwardly extending fins on a container adapted to receive the closure, so that rotation of the cap will fracture the connecting ribs to detach the tamper-evident ring from the cap.
The lower band also incorporates along its bottom edge an inwardly extending shoulder which engages the lower edges of the container fins, when the cap is in place. The cap incorporates a thumb tab for lifting the cap off the container. When this is done, the lifting motion will fracture the connecting ribs to detach the tamper-evident ring from the cap. Thus, either rotational or lifting movement of the cap provides visible evidence that the cap has been moved.
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Norton Donald F.
Sun Coast Plastics, Inc.
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