Tamper evident dispensing closure

Receptacles – Closures – Superposed closures for common opening

Patent

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Details

220266, 220269, 220335, 220339, 220153, 220541, B65D 5122

Patent

active

048922170

ABSTRACT:
A closure is provided for selectively closing an opening of a container, including a base element arranged to be affixed to a container adjacent an opening therein. In one embodiment, the closure is provided with tamper-evident film fixed to the base element, and a control element is pivotally movable relative to the base element between open and closed position. When the base element is affixed to the container, the tamper-evident film obstructs the container opening. When the control element pivots to the open position, the tamper-evident film is visible, and can be punctured or otherwise removed. According to another embodiment of the invention, a closure is provided for a container having a tamper-evident film secured thereto overlying the opening in a container. The closure includes a control element having a puncturing element which is operable upon being pivoted in an inward direction to puncture the tamper-evident film to provide access to the container contents, and to provide an indication that access to the container has been had.

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patent: 4516689 (1985-05-01), Barker
patent: 4669640 (1987-06-01), Ando et al.
patent: 4724977 (1988-02-01), Cleevely et al.
patent: 4724978 (1988-02-01), Cleevely et al.
patent: 4795043 (1989-01-01), Odet et al.

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