Tamper indicating closure

Details Tamper indicating closure Tamper indicating closure

1981-07-01

1983-03-29

Norton, Donald F.

Bottles and jars

Closures

Closure pivoted about receptacle opening

215305, B65D 5104

Patent

active

043780733

ABSTRACT:
A tamper-indicating closure for a container in which the closure is permanently attached to a container and is provided with a cap having a dispensing opening communicating with the container which is closed by a hinged lid. Opening movement of the lid is prevented by the shape of the lid so that a separate handle formed as a unit with the lid must be deformed to a position where it can be more easily gripped for hinged movement of the lid. Once deformed, return movement of the handle to a position correcting the deformation is precluded thereby leaving the handle in a deformed position indicating that the closure has been put in a condition for opening movement.

REFERENCES:
patent: 3323671 (1967-06-01), Minarik
patent: 4209100 (1980-06-01), Uhlig
patent: 4261486 (1981-04-01), Bush et al.

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