Packing case especially for transporting heavy goods

Claim 1

COMPOSABLE PACKING BOX SUITABLE TO BE STACKED WITH MANY OTHER SIMILAR BOXES IN PARTICULAR FOR THE TRANSPORTATION OF HEAVY GOODS COMPRISING AT LEAST ONE BLANK OF FOLDABLE MATERIAL WHICH IS SUITABLY SHEARED AND PROVIDED WITH BENDING LINES TO BE FORMED INTO A PARALLELEPIPED BOX, SAID BLANK INCLUDING A CENTRAL RECTANGULAR BOTTOM SURFACE WITH A HOLE AT EACH CORNER, FIRST APPENDANT PORTIONS EXTENDING FROM EACH SIDE OF SAID RECTANGULAR BOTTOM SURFACE AND ADAPTED TO BE BENT AT RIGHT ANGLE THERETO, SECOND APPENDANT PORTIONS WITH A HOLE AT EACH CORNER OF THEIR LATERAL ENDS, SAID SECOND APPENDANT PORTIONS EXTENDING FROM SAID FIRST APPENDANT PORTIONS AND BEING ADAPTED TO BE BENT PARALLELLY TO THE BOTTOM SURFACE INWARDLY WITH RESPECT TO THE BOX AND AT RIGHT ANGLE TO SAID FIRST APPENDANT PORTIONS, FURTHER FOUR ANGLE RODS WITH A BLIND HOLE AXIALLY EXTENDING FROM EACH OF THEIR BASE, AND FOUR CONNECTING MEMBERS, SAID ANGLE RODS BEING PLACED ON THE CENTRAL BOTTOM SURFACE WITH THEIR AXIS PERPENDICULAR THERETO, WITH THEIR LOWER BLIND HOLES IN REGISTER WITH THE HOLES THEREOF, AND UPON BENDING OF SAID FIRST AND SECOND APPENDANT PORTIONS, WITH PART OF THEIR SURFACE IN CONTACT WITH SAID APPENDANT PORTIONS, WHEREBY THE UPPER BLIND HOLES OF EACH ANGLE ROD AND THE HOLES OF THE SECOND APPENDANT PORTIONS, WHICH ARE BENT TO COVER THE UPPER SURFACE OF SAID ANGLE RODS, ARE BROUGHT IN RECIPROCAL REGISTER RELATION TO BE IN A POSITION TO RECEIVE SAID FOUR CONNECTING MEMBERS PENETRATING THEREIN FOR HOLDING TOGETHER THE DIFFERENT COMPONENTS OF THE BOX, EACH OF SAID CONNECTING MEMBERS COMPRISING A PIN, A FLANGE-LIKE SPACER BODY AND A TAPERED EXTENSION PROJECTING FROM SAID SPACER BODY IN A DIRECTION OPPOSITE TO THE ONE OF THE PIN, THE HOLES OF THE BOTTOM SURFACE AND THE LOWER BLIND HOLES OF THE RELATIVE ANGLE RODS RESTING THEREUPON BEING ADAPTED TO BE ENGAGED BY THE TAPERED EXTENSIONS OF THE CONNECTING MEMBERS OF AN ADJACENT BOX POSITIONED BELOW.