One-piece corrugated tray

B - Operations – Transporting – 31 – B

Patent

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Details

B31B 3/00 (2006.01) B31B 5/00 (2006.01) B31B 7/00 (2006.01) B65D 5/49 (2006.01)

Patent

CA 2160951

A one-piece corrugated tray is formed of a blank of sheet material wherein a filler is sandwiched between an lower liner and an upper liner. The blank is slit scored transversely to define end panels, end walls, dividing walls, and floor panels between successive walls. The blank is then power rolled so that the blank is folded up ninety degrees at front slit scores and folded down one-hundred-eighty degrees at front slit scores. The resulting tray has double-thickness walls and double- thickness floors. Trays of this construction can be used for handling and shipping decorative automotive body panels and other items of manufacture that must be protected from rubbing one another or lapping over one another.

Cette invention concerne un plateau nervuré monobloc réalisé à partir d'un flan bicouche comportant un matériau de remplissage entre les deux couches supérieure et inférieure. Le flan est rainuré transversalement pour définir des lignes de pliage servant de charnière aux panneaux d'extrémité, cloisons de séparation et au fond du plateau entre cloisons de séparation. Puis il est passé dans une plieuse mécanique où il est plié vers le haut à 90 degrés au droit des rainures avant puis replié vers le bas de 180 degrés au droit d'un autre rainure avant. Le plateau ainsi formé est à double paroi et double fond. Les plateaux selon la présente invention peuvent servir à la manutention et à l'expédition de panneaux de carrosserie automobile décoratifs et autres articles manufacturés que l'on doit empêcher de frotter les uns contre les autres lorsqu'ils sont superposés.

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