Envelopes – wrappers – and paperboard boxes – Paperboard box – Lifting or suspending element
Patent
1990-10-24
1991-12-24
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
Lifting or suspending element
22911705, 22911715, B65D 510
Patent
active
050744607
ABSTRACT:
A generally rectangular container fabricated of, for example, a heavy paper material such as pressed paperboard or corrugated cardboard, includes an inner, flexible moisture impermeable bag. The container is constructed so that the side walls, end walls, bottom wall and top wall are foldable to form a thin, flat stack having a rectangular perimeter when not in use for easy storage, and which can be formed into a strong container without the use of fasteners or adhesives.
REFERENCES:
patent: 2155636 (1939-04-01), Bensel
patent: 2898029 (1959-08-01), Sherman
patent: 3501081 (1970-03-01), Paige
patent: 3861581 (1975-01-01), Sellors
patent: 3899124 (1975-08-01), Desmond et al.
patent: 4093114 (1978-06-01), Lawes
patent: 4120420 (1978-10-01), Dirksing
patent: 4129248 (1978-12-01), Casutt
patent: 4428500 (1984-01-01), Kohler
patent: 4678079 (1987-07-01), Henning
Marcus Stephen
McDonald Christopher
Winger Jon C.
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