High stacking-strength container
AssigneeMenasha Corporation
InventorEric R. Elskamp
Life of this patent
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Abstract
Disclosed herein is a high strength container particularly suited for containing heavy materials and being stacked when fill and nested when emptied. The container includes a receptacle having tapered upright walls that are capped by a lid. The receptacle has an abruptly enlarged upper perimeter joined to a lower perimeter by a horizontal ledge, which resists bulging of the walls under heavy loading. The lid has grooves at stacking support surfaces in which reinforcing members are disposed. The reinforcing members can include winged saddles to disposed in indentations in the lid that are designed to better distribute loads through the receptacle.
Claims17
In a plastic container for carrying heavy loads having a receptacle and a lid, the receptacle being formed of upright walls joined together at a lower edge by a bottom so as to define an open cavity closable by the lid, the improvement wherein the lid has a support surface on which the bottom of a second container stacked thereon is supported, and wherein elongated reinforcing members are secured to said lid beneath said bottom of said second container so as to support said second container, said reinforcing member substantially spanning the upright walls of said receptacle on opposite sides of said receptacle and being supported above each of said upright walls by a saddle which cradles said reinforcing member and distributes loading from said reinforcing member to said lid.
Dependencies are inferred from the claim text.