Patent ID: 8602243

Claim:
A collapsible semi-bulk container, the container comprising: four walls connected end to end to define four corners, the four walls consisting of a front wall, a back wall, a first opposing side wall, and a second opposing side wall, wherein the front wall and the back wall comprise stiffening panels, wherein the stiffening panels are positioned in pockets within the front wall and the back wall; a girdle attached to two opposing walls and configured to reduce deflection in the two opposing walls, the girdle comprising a first material attached to one of the two opposing walls and a second material attached to the other of the two opposing walls, wherein the first material and the second material are reversibly connectable, and wherein the two opposing walls are either the front wall and the back wall or the first opposing side wall and the second opposing side wall; a first swing wall attached to a corner defined by the back wall and the first opposing side wall, wherein the first swing wall can be moved between a position substantially adjacent to the back wall and a position substantially adjacent to the first opposing side wall when the four walls are vertical; a second swing wall attached to a corner defined by the back wall and the second opposing side wall, wherein the second swing wall can be moved between a position substantially adjacent to the back wall and a position substantially adjacent to the second opposing side wall when the four walls are vertical; and attachment devices on the swing walls and the opposing side walls, the attachment devices configured to secure the swing walls substantially adjacent to the opposing side walls.