Folding paper boxes

Claim 1

A FOLDING PAPER BOX COMPRISING FOUR WALL ELEMENTS HINGEDLY JOINED FOR COLLAPSING INTO A FLAT STRUCTURE AND OPENING UP INTO A RECTANGULAR STRUCTURE UPON APPLICATION OF PRESSURE TO THE END OF SAID FLAT STRUCTURE, AN AUTOMATICALLY SETTING UP BOTTOM FOR THE SAID BOX COMPRISING A PAIR OF BOTTOM PANELS JOINED TO EACH OTHER AND TO A PAIR OF ADJACENT SIDE WALLS AND A SECOND PAIR OF BOTTOM PANELS JOINED TO EACH OTHER AND TO THE OTHER TWO SIDE WALLS, EACH PAIR OF BOTTOM PANELS BEING FOLDABLE UP INSIDE THE COLLAPSED STRUCTURE AND OPENING OUT INTO PERPENDICULAR RELATIONSHIP TO THE SIDE WALLS TO WHICH JOINED WHEN THE BOR IS SET UP, THE SIDE WALL ADJACENT ONE OF SAID BOTTOM PANELS HAVING A SLIT ADJACENT THE HINGE LINE OF THE SAID BOTTOM PANEL, THE OPPOSITE SAID BOTTOM PANEL EXTENDING SUBSTANTIALLY FUL WIDTH OF THE BOX AND HAVING A CENTRAL PROJECTION PASSING THROUGH SAID SLIT TO LOCK THE BOTTOM IN POSITION, AND A SHELF STRUCTURE COMPRISING A SHELF WITHIN THE BOX AND SPACED FROM ITS BOTTOM, A GLUE FLAP ALONG ONE EDGE OF THE SAID SHELF JOINING IT TO A WALL OF THE SAID BOX AND A SUPPORTING PANEL JOINED TO THE OPPOSITE EDGE OF THE SHELF AND CONNECTING TO THE SAID FULL WIDTH BOTTOM PANEL, WHEREBY THE SAID SHELF STRUCTURE FOLDS UP FLAT INSIDE THE COLLAPSED BOX ALONG WITH THE BOTTOM PANEL TO WHICH ATTACHED AND MOVES DOWNWARDLY THEREWITH WHEN THE BOX IS SET UP.