Easily-openable can lid

Details Easily-openable can lid Easily-openable can lid

2011-05-17

2011-05-17

Hylton, Robin (Department: 3781)

Receptacles

Closures

With closure opening arrangements for means

C220S270000, C220S271000

Reexamination Certificate

active

07942285

ABSTRACT:
An easy open can lid comprises an outer multilayered portion folded into three layers and enclosing the panel portion from outside of the score line, and an inner multilayered portion folded into three layers and enclosing the panel portion from inside of the score line. A leading edge of an outer protection portion as a folding portion between the first and second outer layers is flush with or situated outside of the score line, and a leading edge of an inner protection portion as a folding portion between the second and third inner layers is flush with or situated inside of the score line. An opening width of an inner interspace between the first and second inner layers is wider than that of an outer interspace between the second and third outer layers.

REFERENCES:
patent: 3227304 (1966-01-01), Ashury
patent: 3945334 (1976-03-01), Ostrem et al.
patent: 5038956 (1991-08-01), Saunders
patent: 2007/0131693 (2007-06-01), Matsukawa et al.
patent: 2 180148 (1990-07-01), None
patent: 2 502814 (1990-09-01), None
patent: 2003 509306 (2003-03-01), None
patent: 2004 155480 (2004-06-01), None

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