Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1975-12-16
1976-12-21
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229 51D, B65D 572, B65D 554
Patent
active
039983803
ABSTRACT:
A carton having a rectanguloid, cylindrical or other conventional shape formed from suitable material has a plurality of walls arranged to define a container body. One of the plurality of walls of the container body is provided with a section having two panels arranged in a gradually deepening infolded V shape beginning at a point within the one wall and extending to another of the plurality of walls intersecting and adjacent the one wall, the section being of its greatest depth at the intersecting adjacent wall. A pull tab extends along the axial centerline of the section. In one embodiment tabs are adhesively joined to the panels and are attached along the edge of the intersecting adjacent wall along lines of weakening. In alternative embodiments, the panels are attached to the edge of the intersecting adjacent wall along lines of weakening.
To open the carton, an outwardly directed force is exerted on the pull tab and the tabs or, as in the alternative embodiments the panels, will separate from the intersecting adjacent wall along the lines of weakening. The panels will articulate outwardly about the centerline of the section to form a pour opening in the carton.
To close the carton, an inwardly directed force is exerted on the pull tab and the panels will articulate inwardly about the centerline to close the pour opening.
REFERENCES:
patent: 2468123 (1949-04-01), Shima
patent: 3107839 (1963-10-01), Kauffeld
patent: 3175749 (1965-03-01), Elias
patent: 3269644 (1966-08-01), Bump
patent: 3458111 (1969-07-01), Leasure et al.
patent: 3672557 (1972-06-01), Krzyzanowski
patent: 3861577 (1975-01-01), Druyts
patent: 3883066 (1975-05-01), Smith
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