Octagonal bulk bin with self-locking webbed bottom flaps

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 5/02 (2006.01) B65D 5/06 (2006.01) B65D 5/10 (2006.01) B65D 5/42 (2006.01)

Patent

CA 2621116

An octagonal bulk bin (10) has sidewalls, end walls and diagonal corner panels interposed between adjacent sidewalls and end walls. Major bottom flaps (22,23) are foldably joined to a bottom edge of the sidewalls, minor bottom flaps (25,26) are foldably joined to a bottom edge of the end walls, and diagonal bottom flaps are foldably joined to a bottom edge of the diagonal corner panels. A cut (35) separates each major bottom flap from an adjacent diagonal bottom flap, and a web panel connects adjacent side edges of the minor bottom flaps and diagonal bottom flaps. According to one aspect of the invention, each diagonal bottom flap, web panel, and portion of an adjacent major bottom flap are crushed. According to another aspect of the invention, differently shaped notches (60,61) in a free edge of the minor flaps form locking tabs that are engaged in slots (64,65) near a free edge of the major flaps.

L~invention concerne un bac de stockage en vrac octogonal, comportant des parois latérales, des parois d~extrémité et des panneaux de coin diagonaux interposés entre des parois latérales et des parois d~extrémité adjacentes. Des rabats de fond principaux sont rattachés de façon pliable à un bord de fond des parois latérales ; des rabats de fond secondaires sont rattachés de façon pliable à un bord de fond des parois d~extrémité ; et des rabats de fond diagonaux sont rattachés de façon pliable à un bord de fond des panneaux de coin diagonaux. Une découpe sépare chaque rabat de fond principal d~un rabat de fond diagonal adjacent, et un panneau en bande rattache des bords latéraux adjacents des rabats de fond secondaires et des rabats de fond diagonaux. Selon un aspect de l~invention, chaque rabat de fond diagonal, le panneau en bande et une partie d~un rabat de fond principal adjacent sont écrasés. Selon un autre aspect de l~invention, des encoches de formes différentes pratiquées dans un bord libre des rabats secondaires forment des pattes de blocage qui s~insèrent dans des fentes pratiquées près d~un bord libre des rabats principaux.

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