Receptacles – Closures – With closure opening arrangements for means
Patent
1985-05-20
1986-03-18
Hall, George T.
Receptacles
Closures
With closure opening arrangements for means
B65D 1734
Patent
active
045763054
ABSTRACT:
Convenience feature wall panel (36) and integral opener (52) structure providing Class 1 and Class 2 lever action severance of scored sheet metal. In a beverage can embodiment, a U-shaped tab (40) positioned on the can end wall with its closed end contiguous to peripheral chime seam metal (32) is moved from the original contour of the wall panel to provide a pour opening (94). The movable tab, along with the integrally attached opener, is retained by sheet metal at the open end (46) of the U-shaped movable tab which is unitary with the remainder of the wall panel. Profiling formed in the movable tab sheet metal presents longitudinally-extending reinforcing rib means (53, 54, 55, 56) with a transverse portion (58) of the movable tab which is free of longitudinally-extending rib means providing for folding of longitudinal sections (90, 92) of the movable tab in overlaying relationship to each other and a portion of such remainder of the wall panel as the movable tab and integral opener are stored externally of the can out of the way of the pour opening.
REFERENCES:
patent: 4399925 (1983-08-01), Fundom
patent: 4416389 (1983-11-01), Wilkinson et al.
patent: 4417668 (1983-11-01), Stolle
patent: 4491236 (1985-01-01), Kawamata
Baker Raymond N.
Hall George T.
Weirton Steel Corporation
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