Scored container top

Details Scored container top Scored container top

1988-11-30

1989-10-31

Marcus, Stephen

Receptacles

Closures

With closure opening arrangements for means

220270, 220273, B65D 1730

Patent

active

048771490

ABSTRACT:
A circular "pop-top" can has a multilayer foil (19) and resin (20, 21) base 4, on the upper surface of which a rigid injection molded resin layer 5 is formed. An elliptical groove 6 surrounds a semicircular pedestal 8 extended inwardly by a U-shaped projection 9 having score lines 18 extending across its legs. The butt of a pull tab 12 is fixed to the pedestal such that upon lift up the tab and pedestal pivot downwardly about the score lines to rupture the exposed base at the groove.

REFERENCES:
patent: 4267937 (1981-05-01), Piltz et al.
patent: 4408697 (1983-10-01), Yoshikawa et al.
patent: 4616766 (1986-10-01), Miyauchi et al.
patent: 4674649 (1987-06-01), Pavely
patent: 4784284 (1988-11-01), Miyauchi et al.

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