Bottles and jars – Closures – Retained by bonding or adhesive means
Patent
1985-03-08
1986-12-30
Norton, Donald F.
Bottles and jars
Closures
Retained by bonding or adhesive means
215256, 215347, 215348, B65D 4148
Patent
active
046322655
ABSTRACT:
An improved press-on bottle cap is disclosed in which the cap comprises a top disk and a thin-walled outer skirt dependent therefrom with an annular tear band which, when separated from the cap, divides the cap into a lower ring and an upper reclosure cap. An annular lip is provided about the outside wall of the cap, approximately in the middle of the reclosure cap and the tear tab, which is integral with the tear band, extends upwardly into contact with the underside of the annular lip. Preferably, the lip is discontinuous with an open sector above the tear tab, and the cap is fabricated without the necessity to use a split-cavity mold, and a preferred mold construction is also disclosed. A compressible, plastic foam gasket is employed in the cap to seal the container contents. A foam gasket is seated on the undersurface of the cap in a position to bear against the upper end of the neck of the container which is received in the cap. The tear band is formed by two circumferential score lines in the cap skirt which also has two circumferential beads about its inner wall which fit into grooves of the neck finish of the container. The cap is positively tamper-proof in that either the gasket or the lower portion of the outer skirt can be sealed to the bottle neck.
REFERENCES:
patent: 2389761 (1945-11-01), Burgeni
patent: 2937481 (1960-05-01), Palmer
patent: 3786954 (1974-01-01), Shull
patent: 3861549 (1975-01-01), Watson et al.
patent: 3920503 (1975-11-01), Keeler
patent: 4032029 (1977-06-01), Cochrane
patent: 4387818 (1983-06-01), Conti
patent: 4437593 (1984-03-01), Bullock
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