초록 ▼

A stackable collapsible container for flowable materials. The container has a flexible outer skin and rigid support, having a top frame and bottom frame connected by poles. The top frame and bottom frame are designed for mating engagement when the containers are stacked, as well as for mating engage

A stackable collapsible container for flowable materials. The container has a flexible outer skin and rigid support, having a top frame and bottom frame connected by poles. The top frame and bottom frame are designed for mating engagement when the containers are stacked, as well as for mating engagement when the containers are broken down for transport. The top frame and bottom frame are provided with similar perimeters to prevent undesired movement and contact between adjacent top frame when the containers are filled and transported.

대표청구항 ▼

What is claimed is: 1. A bulk container comprising:(a) a first frame comprising:(i) a shoulder defining the exterior perimeter of the first frame; and(ii) a surface recessed laterally inward and vertically downward from the shoulder, wherein the surface defines a first plurality of slots;(b) a secon

What is claimed is: 1. A bulk container comprising:(a) a first frame comprising:(i) a shoulder defining the exterior perimeter of the first frame; and(ii) a surface recessed laterally inward and vertically downward from the shoulder, wherein the surface defines a first plurality of slots;(b) a second frame comprising:(i) a recessed outer lip defining the exterior perimeter of the second frame; and(ii) an inner flange depending below the outer lip wherein the inner flange defines a second plurality of slots;(c) wherein the second frame is configured to fit into mating engagement with the first frame, with the inner flange extending past at least a portion of the shoulder and the recessed outer lip cantilevered with respect to the second frame and the recessed outer lip is positioned over the shoulder;(d) a plurality of supports secured within the first plurality of slots and the second plurality of slots;(e) a flexible outer liner secured between the first frame and the second frame; and(f) a flexible inner liner provided within the outer liner.