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Claim 1

A CYLINDRICAL CONTAINER FABRICATED FROM A ONE PIECE PLANK OF FOLDABLE SHEET MATERIAL COMPRISING A SIDE WALL FORMED OF A PAIR OF GENERALLY RECTANGULAR PANELS, THE END MARGINS OF WHICH ARE OVERLAPPED AND ADHESIVELY SECURED, SO AS TO FORM A CYLINDRICAL BODY HAVING A CROSS SECTION AT THE TOP WHICH HAS A PERIMETER DEFINED AT LEAST IN PART BY OUTWARDLY CURVED LINES AND A CROSS SECTION AT THE BOTTOM WHICH HAS A PERIMETER DEFINED BY A CONNECTED SERIES OF STRAIGHT HINGE LINES, A BOTTOM WALL INTEGRALLY CONNECTED ON PARALLEL STRAIGHT HINGE LINES TO OPPOSITELY DISPOSED BOTTOM EDGES OF THE SIDE WALL FORMING PANELS, SAID BOTTOM WALL HAVING INTEGRAL GLUE FLAPS CONNECTED THERETO ON STRAIGHT HINGE LINES WHICH EXTEND BETWEEN CORRESPONDING ENDS OF THE STRAIGHT HINGE LINES CONNECTING SAID BOTTOM WALL TO THE BOTTOM EDGES OF SAID SIDE WALL FORMING PANELS, SAID GLUE FLAPS BEING ADHESIVELY CONNECTED TO THE BOTTOM MARGINS OF THE SIDE WALL FORMING PANELS AND THE SIDE WALL FORMING PANELS HAVING SCORE LINES IN THEIR BOTTOM MARGINS WHICH EXTEND IN UPWARDLY BOWED RELATION A RELATIVELY SMALL DISTANCE ABOVE EACH OF SAID BOTTOM HINGE LINES SO AS TO FORM IN SAID SIDE WALL BOTTOM MARGIN PORTIONS WHICH ARE IN FLAT PLANES ADJOINING EACH OTHER.