Flute rod reinforced sleeve pack

Receptacles – Separate reinforcing element – Open end edge reinforcing means

Patent

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Details

220650, 220671, B65D 148, B65D 634

Patent

active

056389833

ABSTRACT:
A sleeve pack to be used with a pallet base and cover to form a container for shipping bulk goods, the sleeve pack comprising four continuous vertical sidewalls arranged in a rectangular configuration, at least one of the sidewalls having at least one vertically oriented flute rod inserted between two faces of corrugated plastic and within one flute of at least one wall for improved strength. The flute rod has an upholding means on the top of the flute rod for preventing the flute rod from falling through the flute of the sleeve pack sidewall. A channel shaped retainer covers and is secured to the upper portion of the sidewalls containing flute rods in order to secure the flute rods between the two faces of plastic of the sidewall and prevent the flute rods from falling out of the flutes when the sleeve pack is inverted. The upholding means of the flute rods are supported by vertically oriented corrugations between the face plies of the sidewalls.

REFERENCES:
patent: 869833 (1907-10-01), Ferres
patent: 2200867 (1940-05-01), Weltmer
patent: 3370734 (1968-02-01), Wilkins et al.
patent: 4795049 (1989-01-01), Alcorn
patent: 5042713 (1991-08-01), Stafford

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