Bottles and jars – Closures – Frangible member or portion
Patent
1993-03-01
1994-02-08
Shoap, Allan N.
Bottles and jars
Closures
Frangible member or portion
215254, 215258, 215320, 220270, 220276, B65D 4146
Patent
active
052842657
ABSTRACT:
A snap on non-replaceable cap for a plastic school milk bottle neck finish with an external annular rib has a top with an inwardly spaced sealing flange depending therefrom, the outer surface of the sealing flange is shaped downwardly and inwardly. A tear skirt having an inturned annular flange forming the peripheral edge of the top is joined to the top by a thin semi-annular tear line. An inturned rib is formed on the inner surface of the tear skirt which locks under the external rib on the neck finish. The tear skirt, including the inturned annular flange may be completely or partially torn away from the top to permit the top to be removed. To facilitate removal, the tear skirt is formed with a second tear line from a lower edge thereof to the thin semi-annular tear line in the top. A pull tab is formed adjacent the second tear line functions as a lift tab to remove the cap. The top and its depending sealing flange prevent the same from being replaced on the bottle.
REFERENCES:
patent: 3834571 (1974-09-01), Bartell
patent: 4522308 (1985-06-01), Sullivan
patent: 4836407 (1989-06-01), Bruce et al.
patent: 4966292 (1990-10-01), Marino
patent: 5038951 (1991-08-01), Rizzardi
patent: 5129531 (1992-07-01), Beck et al.
Caretto Vanessa
Northern Engineering & Plastics Corp.
Shoap Allan N.
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