초록 ▼

A bulk bag comprises side wall panels formed from woven polypropylene fabric and arranged in a rectangular configuration. A long, narrow, strip of polypropylene fabric is sewn to the side wall panels at each of the corners to define a pocket which receives a support member. A frame having a rectangu

A bulk bag comprises side wall panels formed from woven polypropylene fabric and arranged in a rectangular configuration. A long, narrow, strip of polypropylene fabric is sewn to the side wall panels at each of the corners to define a pocket which receives a support member. A frame having a rectangular configuration congruent with the shape of the bulk bag has legs depending therefrom which are received in the pockets to secure the bulk bag in an open configuration.

대표청구항 ▼

The invention claimed is: 1. A bulk bag comprising: side walls having upper and lower ends and defining a predetermined geometrical configuration comprising a plurality of corners; the side walls comprising fabric side wall panels connected end-to-end; a bottom wall secured to the lower ends of the

The invention claimed is: 1. A bulk bag comprising: side walls having upper and lower ends and defining a predetermined geometrical configuration comprising a plurality of corners; the side walls comprising fabric side wall panels connected end-to-end; a bottom wall secured to the lower ends of the side walls; the side walls and the bottom wall defining the interior of the bulk bag; a liner secured within the interior of the bulk bag as defined by the side walls and the bottom wall; a plurality of pockets each located at one of the corners of the bulk bag; each of the pockets comprising a long, narrow fabric strip secured to the fabric comprising the side wall panels by sew lines extending parallel to the corners of the bulk bag; a plurality of support members each received within one of the pockets and extending substantially the entire length thereof for retaining the bulk bag in an upright configuration; a frame comprising a plurality of top members defining a geometrical configuration which is congruent with the geometrical configuration defined by the side walls and a plurality of legs depending from the top members at the corners thereof; and the legs of the frame being received within the pockets of the bulk bag to retain the bulk bag in an open configuration. 2. The bulk bag according to claim 1 wherein the side walls define a rectangular configuration. 3. The bulk bag according to claim 1 wherein side wall panels are formed from woven polypropylene fabric. 4. The bulk bag according to claim 1 wherein the liner is formed from polyethylene film. 5. The bulk bag according to claim 1 wherein the side wall panels are formed from woven polypropylene fabric and wherein the pockets are formed from long, narrow strips comprising woven polypropylene fabric. 6. The bulk bag according to claim 1 wherein the support members are formed from PVC pipe. 7. The bulk bag according to claim 1 wherein the top members and the legs of the frame are formed from lengths of angle iron.