Patent ID: 6164453
Filing Date: 2000-12-26
Classification: B65D

Abstract:
A container for fluid material comprising:a collapsible outer skin member comprising four opposing rigid vertical side walls arranged in perpendicular pairs and four flexible vertical side walls constructed of a flexible material, the flexible vertical side walls alternating with and being joined to the rigid side walls to define an octagonal open top;the rigid side walls each including a pocket formed on the outer skin member and a rigid support wall slidably inserted into the pocket;the pocket including an upwardly directed top opening;and a removable liner for holding fluid material disposed inside the outer skin member, the liner having a top fill opening accessible through the octagonal open top of the container without moving the outer skin;whereby the flexible side walls are made taut by fluid filling the liner such that the rigid support walls are held in place and the container is self-stabilizing during and after filling.