Envelopes – wrappers – and paperboard boxes – Paperboard box – Having means to facilitate opening the box by severing box...
Patent
1990-12-13
1992-09-08
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
Having means to facilitate opening the box by severing box...
229924, B65D 3320
Patent
active
051450712
ABSTRACT:
Pack made from board for free-flowing products such as detergent, with two side panels, a front panel, a back panel, a base and a closure flap which is hinged to the back panel and under which further flaps hinged to the other panels are located, where the flap hinged to the front panel extends across the whole cross-section of the pack and has a tab hinged to it that rests against the inside of the closure flap. The flap (24) hinged to the front panel (3) has parallel score lines (27, 28) provided at least to some extent in duplicate and located a short distance from the top edges of the two side panels (4, 5) which also extend across the hinged tab (26) and act as tear lines. Sections (19, 20, 21) that overlap the side panels (4, 5) and the front panel (3) to at least a small extent are provided on the closure flap (17), the section (21) overlapping the front panel (3) being provided with a tab (32), in the area of which this section is glued to the front panel for subsequent separation (31).
REFERENCES:
patent: 1115060 (1914-10-01), Eaton
patent: 1297739 (1919-03-01), Schendel
patent: 1940849 (1933-12-01), Davidson
patent: 2403047 (1946-07-01), Buttery
patent: 3301391 (1967-01-01), Guyer
patent: 4159079 (1979-06-01), Engdahl, Jr.
patent: 4260061 (1981-04-01), Jacobs
patent: 4613046 (1986-09-01), Kuchenbecker
patent: 4949845 (1990-08-01), Dixon
Breitenauer Fritz
Harbour Richard
Matzel Jurgen
Schragle Walter
Lever Brothers Company
Marcus Stephen
McDonald Christopher
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