Importance

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Abstract

A fibreboard shipping container for coil material, such as wire, is formed of an octagonal cross-section tubular body having a closed bottom and a cover, with an octagon shaped, tubular core coaxially positioned within the body. A pair of stiff, fibreboard panels are forcibly positioned within the container on opposite sides of the core in substantial face to face contact with their adjacent core wall surfaces, and with their opposite vertical edges pressing against their adjacent interior wall surfaces of the body. The panels have closely spaced, horizontal score lines for folding their lower edge portions incrementally upwardly to adjust their heights to correspond to the distance between the cover and the upper surface of the core so as to apply downwards pressure by the cover against the core. In addition, a stiff, fibreboard sheet whose outer periphery is octagonally shaped to correspond to the size and shape of the interior of the core is forced within the core for substantially continuous line contact between the peripheral edge of the sheet and the interior wall surfaces of the core to brace the core. The panels and the sheet lock the core and the coil against movement within the container and protect the core against deformation during transportation of and impacts to the container.

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First Claim