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1. (WO1991008142) CONTAINER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/008142 International Application No.: PCT/US1990/005185
Publication Date: 13.06.1991 International Filing Date: 13.09.1990
Chapter 2 Demand Filed: 20.05.1991
IPC:
B65D 5/06 (2006.01) ,B65D 5/42 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
5
Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons, trays, formed by folding or erecting one or more blanks made of paper
02
by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
06
with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
B PERFORMING OPERATIONS; TRANSPORTING
65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
D
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
5
Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons, trays, formed by folding or erecting one or more blanks made of paper
42
Details of containers or of foldable or erectable container blanks
Applicants:
WEYERHAEUSER COMPANY [US/US]; Tacoma, WA 98477, US
Inventors:
SPURRELL, Robert, M.; US
JORDAN, Terry, B.; US
HENSEY, Warren, R.; US
Agent:
CRAWFORD, John, M. ; Patent Department CH 2J29 Weyerhaeuser Company Tacoma, WA 98477, US
Priority Data:
443,99530.11.1989US
Title (EN) CONTAINER
(FR) RECIPIENT
Abstract:
(EN) 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 (12) where the carton folds to make the bottom corner. A single score line (21) is formed in and at the side of the side panel (11) 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.
(FR) L'invention a pour dessein d'empêcher ou de réduire au minimum la détérioration d'une boîte en carton provoquée par un impact soudain. Cette détérioration résulte le plus souvent de la chute des boîtes en carton d'une certaine hauteur. Le type de détérioration de la boîte en carton est habituellement une rupture du coin. Les forces de traction auxquelles est soumis le coin lorsque la boîte en carton subit un impact, provoquent une déchirure au niveau de la base de la ligne de repère verticale (12) où le carton se plie pour former le coin du fond. Une seule ligne de repère (21) est formée dans le panneau latéral (11) et sur le côté de la boîte en carton. Chaque ligne de repère s'étend à l'extérieur de chaque côté des lignes de repère verticales latérales définissant les panneaux latéraux de la boîte en carton. Le but de ces lignes de repère est de provoquer la formation d'un pli, de préférence au niveau de l'intersection de la ligne de repère et de ladite ligne de repère verticale, et à l'opposé du coin du fond de la boîte en carton, lorsque cette dernière tombe ou subit un choc soudain. Chacune des lignes de repère doit être assez longue et placée à une certaine distance de la paroi du fond afin de provoquer la formation de la ligne de repère de préférence à l'opposé du coin du fond.
Designated States: AU, CA, FI, JP, KR, NO
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
AU1990064262