Container made out of a flat material like paper, cardboard, etc

Details Container made out of a flat material like paper, cardboard, etc Container made out of a flat material like paper, cardboard, etc

1985-11-08

1987-01-06

Price, William

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206620, 229 17R, 493 84, 493377, B65D 570

Patent

active

046340084

ABSTRACT:
To facilitate manual opening of a container made out of a flat material like paper, cardboard, etc. with a ridged-seam closure, and especially a parallelepipedal container for liquid and made out of paper, plastic, or composite, at least one tear-off flap is attached to the outside of the ridged-seam closure like a tab. To facilitate in particular the opening of containers with earfolds, perforations are provided in the vicinity of the triangular folds to generate a smooth tear when the container is opened and produce a clean opening that will ensure trouble-free pouring.

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patent: 402882 (1889-05-01), Ams
patent: 714816 (1902-12-01), McMullan
patent: 1217820 (1917-02-01), Peterson
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patent: 4362245 (1982-12-01), Kuchenbecker
patent: 4428485 (1984-01-01), Egli
patent: 4441613 (1984-04-01), Hain et al.

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