Container

Details Container Container

1989-11-30

1990-12-04

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

229 31, 229920, B65D 540

Patent

active

049747720

ABSTRACT:
The purpose of the present invention is to prevent or minimize the damage to a carton caused by sudden impact. This damage results most often from the cartons being dropped from some height. The type of carton damage is usually corner fracture. The tensile forces applied to the corner as the carton hits causes a tear to form at the base of the vertical score line where the carton folds to make the bottom corner. A single score line is formed in and at the side of the side panels of a carton. Each score line extends outwardly from each side of the side vertical score lines which define the side panels of the carton. The purpose of these score lines is to induce a fold to form preferentially at the intersection of the score line and the vertical score line and away from the carton bottom corner when the carton is dropped or suddenly shocked. Each of the score lines should be long enough and placed a distance from the bottom wall to induce the fold line to form preferentially away from the bottom corner.

REFERENCES:
patent: 1206839 (1916-12-01), Gruenberg
patent: 3232516 (1966-02-01), Arslanian
patent: 3355083 (1967-11-01), Wilcox
patent: 3366308 (1968-01-01), Phillips, Jr.
patent: 3604317 (1971-09-01), Bonn

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