Container closure with breakable annular ring

Details Container closure with breakable annular ring Container closure with breakable annular ring

B - Operations, Transporting

65

D

206/35

B65D 41/34 (2006.01)

Patent

CA 1132099

ABSTRACT OF THE DISCLOSURE A container closure comprising a cap and an annular ring connected to the cap by a bridge. The annular ring includes a laterally extending span or weakened portion having lesser tensile strength than the remainder of the ring. When the cap is rotated to loosen the cap, the annular ring is constricted radially inwardly, thereby abutting the container neck and frustrating removal until either the bridge or span is broken. A broken bridge or span indicates both visually and by touch that the closure has been tampered with. In a preferred embodiment, the cap and annular ring are integrally molded from plastic as a unitary structure.

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