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A bulk bin container having a first side wall, a second side wall, a third side wall and a fourth side wall, where the first side wall is removable when the container is set up. The first side wall includes a removable hinge element. The first side wall also includes structure on a first side edge o

A bulk bin container having a first side wall, a second side wall, a third side wall and a fourth side wall, where the first side wall is removable when the container is set up. The first side wall includes a removable hinge element. The first side wall also includes structure on a first side edge of the first side wall and second side edge of the first side wall that mates with corresponding structure on adjacent side walls and allows for the first side wall to be lifted straight upward and removed from the container upon removal of the removable hinge element.

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1. A bulk bin container with a side wall that can be removed when in an upright position comprising: a base portion having four sides;a first side wall hingedly connected to a first side of the base portion, a second side wall hingedly connected to a second side of the base portion, a third side wal

1. A bulk bin container with a side wall that can be removed when in an upright position comprising: a base portion having four sides;a first side wall hingedly connected to a first side of the base portion, a second side wall hingedly connected to a second side of the base portion, a third side wall hingedly connected to a third side of the base portion, and a fourth side wall hingedly connected to a fourth side of the base portion, wherein the first side wall includes a first structure proximate a first side edge of the first side wall for removable connection to the second side wall, and a second structure on a second side edge of the first side wall for removable connection to the fourth side wall when all of the first, second, third and fourth side walls are in an upright position, the first structure and second structure configured to allow straight vertical movement of the first side wall from its upright position; and,a disengage-able hinge element connected to the base portion and the first side wall, wherein the disengage-able hinge element can be disengaged when the first side wall is in an upright position to enable vertical movement of the first side wall along a plane defined by the first side wall from the base portion while the first side wall is in the upright position. 2. The bulk bin container of claim 1 wherein the first structure is a plurality of L-shaped projections extending from the first side edge of the first side wall, and the second side wall includes a corresponding plurality of pockets configured to receive the L-shaped projections. 3. The bulk bin container of claim 1 wherein the first structure is a plurality of L-shaped projections extending from the second side edge of the first side wall, and the fourth side wall includes a corresponding plurality of pockets configured to receive the L-shaped projections. 4. The bulk bin container of claim 3 wherein the first side wall includes an upper portion and a lower portion, and the upper portion of each side wall is hingedly connected to the lower portion. 5. The bulk bin container of claim 1 wherein at least one of the first, second, third and fourth side walls includes a door hingedly connected to and forming part of the side wall to provide access to the interior of the container. 6. The bulk bin container of claim 1 wherein the first structure is a plurality of pegs extending from the first side edge and the second side wall includes a corresponding plurality of slots having an upper opening configured to receive the pegs. 7. The bulk bin container of claim 6 wherein the first structure is a plurality of pegs extending from the second side edge and the fourth side wall includes a corresponding plurality of slots having an upper opening configured to receive the pegs. 8. The bulk bin container of claim 1 wherein the disengage-able hinge element is a removable pin having a handle at a first end. 9. The bulk container of claim 1 further comprising a collar portion between the base portion and the first, second, third and fourth side walls. 10. A collapsible bulk bin container having a side wall that is removable when the container is in an un-collapsed state comprising: a rectangular base portion having a first side, a second side, a third side and a fourth side;a first side wall pivotably connected to the first side of the rectangular base portion by a disengage-able hinge element when the first side wall is upright, the first side wall having a plurality of L-shaped projections extending from a first side edge, and a plurality of L-shaped projections extending from a second side edge, the L-shaped projections extending from the first side edge and the second side edge of the first side wall configured to allow for upward vertical movement of the first side wall along a plane defined by the first side wall when in an upright position when the disengage-able hinge element is disengaged from the base portion;a second side wall pivotably connected to the second side of the rectangular base portion, the second side wall having a plurality of pockets on a first side edge for receiving the L-shaped projections on the first side edge of the first side wall;a third side wall pivotably connected to the third side of the rectangular base portion; and,a fourth side wall pivotably connected to the fourth side of the rectangular base portion, the fourth side wall having a plurality of pockets on a first side edge for receiving the L-shaped projections on the second side edge of the first side wall. 11. The collapsible bulk bin container of claim 10 is formed from plastic. 12. The collapsible bulk bin container of claim 10 further comprising an access door in one of the first, second, third and fourth side walls. 13. The collapsible bulk bin container of claim 10 wherein the disengage-able hinge element is a metal pin. 14. The collapsible bulk bin container of claim 10 wherein the L-shaped projections are configured so that upward movement of the first side wall by about 3 ¼ inches disengages the L-shaped projections from the pockets. 15. The collapsible bulk bin container of claim 10 wherein the L-shaped projections include an outermost portion extending downward. 16. A collapsible bulk bin container having a side wall that is removable when the container is in an un-collapsed state comprising: a rectangular base portion having a first side, a second side, a third side and a fourth side;a first side wall pivotably connected to the first side of the rectangular base portion by a disengage-able hinge element when the first side wall is upright wherein the first wall can move vertically upward along a plane defined by the first wall when upright when the disengage-able hinge element is disengaged, the first side wall having a plurality of pockets along a first side edge, and a plurality of pockets along a second side edge;a second side wall pivotably connected to the second side of the rectangular base portion, the second side wall having a plurality of projections on a first side edge for connection to the pockets on the first side edge of the first side wall;a third side wall pivotably connected to the third side of the rectangular base portion; and,a fourth side wall pivotably connected to the fourth side of the rectangular base portion, the fourth side wall having a plurality of projections on a first side edge for connection to the pockets on the second side edge of the first side wall. 17. The collapsible bulk bin container of claim 16 wherein the plurality of projections on the second side wall and the plurality of projections on the fourth side wall are L-shaped projections. 18. The collapsible bulk bin container of claim 17 wherein the L-shaped projections include an outermost portion extending upward. 19. The collapsible bulk bin container of claim 16 is formed from plastic.