Receptacles – Closures – With closure opening arrangements for means
Patent
1977-06-06
1978-09-12
Hart, Ro E.
Receptacles
Closures
With closure opening arrangements for means
215256, B65D 4132
Patent
active
041131363
ABSTRACT:
A reclosable container assembly is disclosed comprising a container body having an open end and a cover for closing the open end. The cover has a wall portion extending into the open end of the container body and interengaging therewith to provide a snap-fit therebetween. The cover has a peripheral flange including a portion extending radially outwardly across the open end of the container body and terminating in a peripheral skirt. The underside of the radially extending flange portion is provided with a peripherally continuous V-shaped recess providing a line of weakness along which the material of the cover fractures and tears in response to an attempt to displace the cover flange in the direction to separate the cover from the container body. The material along the line of weakness fractures in response to a displacement force less than that required to disengage the snap-fit between the container body and cover, and provides a visual indication that the container assembly has been tampered with.
REFERENCES:
patent: 2751102 (1956-06-01), Kihm
patent: 3262602 (1966-07-01), McConnell
patent: 3415404 (1968-12-01), Robinson
patent: 3858748 (1975-01-01), Marco
patent: 3930593 (1976-01-01), Ragettli
patent: 3981412 (1976-09-01), Asmus
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