Packaging box that can easily be opened

Details Packaging box that can easily be opened Packaging box that can easily be opened

1988-03-11

1989-09-05

Gehman, Bryon P.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206628, 206629, 206633, B65D 554

Patent

active

048630357

ABSTRACT:
A packaging box and a method of packaging wherein a paste flap is bonded to an end of side wall sections interconnected with each other through folding lines to form a square cylinder, inner flaps, bonding flaps and end sections provided at each end of the side wall sections are folded, and the bonding flaps and the end sections are bonded together. A perforated line is provided on the paste flap and the side wall section. The perforated line extends from the external side of the paste flap excluding its folding line, cuts across the folding line, extends into the side wall section, cuts across the folding line back again, and extends to the external side of the paste flap. A perforated line extends from one side of the paste flap excluding its folding line, runs along a non-bonding portion provided in the paste flap, cuts across the folding line, extends into the side wall section, cuts across the folding line back again, and extends to the other side of the paste flap.

REFERENCES:
patent: 1975831 (1934-10-01), Daller
patent: 2038893 (1936-04-01), Davidson
patent: 2363861 (1944-11-01), Goodyear
patent: 3093292 (1963-06-01), Ahlbor
patent: 3194474 (1965-07-01), Rumberger
patent: 3263900 (1966-08-01), Link et al.
patent: 3572576 (1971-03-01), Foster
patent: 4141449 (1979-02-01), Stone
patent: 4284197 (1981-08-01), Meyers
patent: 4441612 (1984-04-01), Kingsley et al.
patent: 4584202 (1986-04-01), Roccaforte
patent: 4623074 (1986-11-01), Deerwester
patent: 4643315 (1987-02-01), Hopwood et al.

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