Tamper-evident closure cap

Details Tamper-evident closure cap Tamper-evident closure cap

1986-06-30

1987-06-23

Norton, Donald F.

Bottles and jars

Closures

Including visual indicia

B65D 5502

Patent

active

046746412

ABSTRACT:
A tamper-evident closure lid for a container which includes a cap assembly having a movable indicator slide or rotatable indicator arm which in one position indicates the container is "sealed" and in another position indicates the container has been "opened". Resilient means are provided for moving the indicator member to the "opened" position when the container is opened. Further, locking means are provided for retaining the indicator member in the "opened" position once the container has been opened.

REFERENCES:
patent: 2939597 (1960-06-01), Greene
patent: 3073468 (1963-01-01), Arneson
patent: 4519515 (1985-05-01), Schonberger

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