Importance

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Abstract

A closure for glass and polycarbonate bottles. The closure is the press-on and pull off type, i.e., it is unthreaded. The closure has a down-outwardly extending rib on the underside of the lid that forms a seal on the upwardly and outwardly facing surface of the neck of the bottle. The closure has a removable tamper indicating ring connected to the lower portion of the skirt of the closure by a reduced-thickness tear strip. In one embodiment, slits are formed in the tear strip to further increase the sensitivity of the tear strip to tampering. Between the slits, links in the tear strip act to hold the ring in connection with the lower portion of the skirt. The circumferential length of the slits is significantly greater than the circumferential length of the links, and the slit to link length ratio is preferably at least about 20 to 1, but may be increased or decreased depending upon the desired level of tamper evidencing required, and depending upon the amount of interference between the bead on the ring and the corresponding bulge on the bottle to which the closure is applied.

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First Claim