Bottles and jars – Closures – Frangible member or portion
Patent
1994-02-01
1995-11-21
Shoap, Allan N.
Bottles and jars
Closures
Frangible member or portion
215254, 215250, 220266, B65D 4134
Patent
active
054678803
ABSTRACT:
A safety screw cap indicates prior opening of a container to protect consumers from prior contamination. The screw cap has an annular band encircling its lower end which is separated from the screw cap by a perforated line. The band is affixed to a fixing clement and the fixing element attached to the container when the screw cap is screwed in place. An unattached leader portion of the band can be lifted easily to peel the band from the container. As the band is peeled from the container, it is simultaneously tom from the screw cap at the perforations. Once the band is removed, the screw cap can be unscrewed and the container unsealed. Before peeling the band away, the screw cap cannot be unscrewed without causing obvious damage to the screw cap or band. In addition, the torque required to shear-separate the band from the fixing element, the fixing element from the container or the screw cap from the band is greater than that which can be applied easily by a normal adult.
REFERENCES:
patent: 2043226 (1936-06-01), Beider et al.
patent: 3901403 (1975-08-01), Menke
patent: 4394917 (1983-07-01), Looser
patent: 4573582 (1986-03-01), Kusz
patent: 5012946 (1991-05-01), McCarthy
patent: 5111947 (1992-05-01), Patierson
Etoh Makoto
Kawaguchi Kiyoshi
Catan Mark
Morrison Thomas R.
Newhouse Nathan J.
Shoap Allan N.
Toyo Seikan Kaisha Ltd.
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