Inviolability device for container having its neck closed by a s

Details Inviolability device for container having its neck closed by a s Inviolability device for container having its neck closed by a s

1978-10-24

1979-06-12

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220288, 222541, 222 81, 220258, B65D 4102, B65D 4132

Patent

active

041577655

ABSTRACT:
An inviolability device which makes it obvious when a container with a screw cap has been opened for the first time. This device comprises a blind tube forming an extension of the neck of the container and being separated therefrom by a weakened zone. The blind tube is broken, at the weakened zone, by an inward driving thereof when the container is opened for the first time. The blind tube and the neck have similar threads thereon with cooperating threads in the screw cap. This device will find particular use in connection with flexible tubes for pharmaceutical or dietetic products.

REFERENCES:
patent: 2295865 (1942-09-01), Rentschler
patent: 2317420 (1943-04-01), Taylor
patent: 3784045 (1974-01-01), Komendowski

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