Bulk material handling container

Claim 1

A BULK MATERIAL CONTAINER COMPRISING, AN ANNULAR OUTER UPRIGHT WALL HAVING AN UPPER END CLOSURE AND BEING PROVIDED BETWEEN ITS END WITH A PARTITION FORMING A MATERIAL CONFINING CHAMBER LOCATED BETWEEN SAID END CLOSURE AND SAID PARTITION, THE DEPENDING PORTION OF SAID WALL BELOW SAID PARTITION CONSTITUTING A SUPPORT FOR THE CONTAINER, AN UPSTANDING ANNULAR DOME OF SMALLER DIAMETER THAN SAID WALL FORMED ON SAID END CLOSURE COAXIALLY THEREOF TO PROVIDE AN ANNULAR OUTWARDLY UNOBSTRUCTED SHOULDER ADJOINING SAID WALL, AN ACCESS OPENING FOR SAID CHAMBER FORMED IN SAID ANNULAR DOME AND PROVIDED WITH A CLOSURE, SAID DEPENDING WALL PORTION BEING FORMED WITH SUBSTANTIALLY RECTANGULAR OPENINGS FOR THE RECEPTION OF THE FORKS OF A MATERIAL HANDLING TRUCK, AND AN ANNULAR SERIES OF OUTWARDLY AND DOWNWARDLY TAPERED RADIAL BRACES RIGIDLY SECURED BETWEEN SAID PARTITION AND SAID DEPENDING WALL PORTION, SAID DEPENDING WALL PORTION BEING ENGAGEABLE WITH THE ANNULAR SHOULDER OF A SIMILAR CONTAINER AND SAID BRACES BEING DIRECTLY COOPERABLE WITH THE DOME OF THE LATTER TO PERMIT STACKING OF THE CONTAINERS WHILE INSURING COAXIAL ALINEMENT THEREOF.