초록 ▼

A closure for a container having a lever-openable plug wherein the lever is attached to other parts of the closure by a frangible member which must be broken to permit actuation of the lever to open the plug, thus indicating to a subsequent observer that either the closure had been open or an attemp

A closure for a container having a lever-openable plug wherein the lever is attached to other parts of the closure by a frangible member which must be broken to permit actuation of the lever to open the plug, thus indicating to a subsequent observer that either the closure had been open or an attempt had been made to do so. The attachment of said frangible member comprising a post on the plug extending into a socket on the frangible member and interlocked therewith.

대표청구항 ▼

A closure for a container having a wall member with an aperture, said closure comprising a sleeve member having a seal-tight fit within said aperture and having a bore providing a pour opening, a flexible plastic plug having a seal-tight fit within said opening, a lift lever connected to said plug,

A closure for a container having a wall member with an aperture, said closure comprising a sleeve member having a seal-tight fit within said aperture and having a bore providing a pour opening, a flexible plastic plug having a seal-tight fit within said opening, a lift lever connected to said plug, a combination pour lip and fulcrum projecting from one of said members for fulcruming engagement by said lever and lifting the plug out of the pour opening, a tearable anti-pilfer means on said lever, and limited-movement-permitting means connecting said anti-pilfer means to said plug, said anti-pilfer means being torn away from said lever upon lifting of said lift lever beyond the permitted limited movement.