Packing case

Details Packing case Packing case

1999-05-18

2000-07-18

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

A sidewall includes a folded lateral extension of an...

2063871, 2291982, B65D 528

Patent

active

060894482

ABSTRACT:
In a box-shaped packing case 20 having an overlap portion at which a third folding plate 24 folded from a first holding direction is superposedly adhesively attached onto first and second folding plates 22, 23 which are folded from two directions different from the first folding direction of the third folding plate 24 so that the boundary portions thereof are not overlapped with each other, the shape of the boundary portion between the first and second folding plates 22, 23 when the first and second folding plates 22, 23 are folded is designed so that the length of an adhesion area to which the third folding plate 24 adheres approaches to the length of the third folding plate 24 at a maximum irrespective of the boundary portion.

REFERENCES:
patent: 2015413 (1935-09-01), Snyder
patent: 3276659 (1966-10-01), Gross
patent: 3385505 (1968-05-01), Beals
patent: 4445634 (1984-05-01), Sato
patent: 5337948 (1994-08-01), Newsome et al.
patent: 5560484 (1996-10-01), Tomisawa et al.
patent: 5803351 (1998-09-01), Nielsen

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