Composable container structure consisting of sheet-like material

Claim 1

IN A CARDBOARD CONTAINER HAVING TWO RECTANGULAR CARDBOARD PANELS WITH SUPERPOSED RECTANGULAR CENTRAL PORTIONS FORMING THE BOTTOM OF THE CONTAINER, SAID PANELS BEING ARRANGED CROSSWISE TO EACH OTHER, EACH OF THE CARDBOARD PANELS HAVING FOLDED-UP OPPOSITE END PORTIONS FORMING RESPECTIVE SIDE WALLS OF THE CARDBOARD CONTAINER, IN COMBINATION, A CONNECTING STRUCTURE FOR JOINING ADJACENT ENDS OF THE MEETING SIDE WALLS OF THE CONTAINER ONE TO ANOTHER, COMPRISING, FOR EACH OF THE FOUR CORNERS OF THE CONTAINER: TWO SPACED APART ANGLE MEMBERS ONE OF WHICH BEING THE OUTER ANGLE MEMBER AND THE OTHER BEING THE INNER ANGLE MEMBER, EACH OF THE ANGLE MEMBERS HAVING WINGS MEETING AT 90* ANGLES AND FORMING A GAP BETWEEN THE ANGLE MEMBERS RECEIVING THE MEETING ENDS OF THE SIDE WALLS OF THE CARDBOARD CONTAINER, A WEB MEMBER JOINING TOGETHER AT THEIR VERTICES THE TWO ANGLE MEMBERS, SAID WEB MEMBER BISECTING THE OUTER OF SAID SPACED APART ANGLE MEMBERS, THE CARDBOARD OF SAID MEETING ENDS INCLUDING A SHEET OF CORRUGATED CARDBOARD THEREBETWEEN HAVING UNDULATIONS THE GENERTRIX OF WHICH EXTENDING PARALLEL TO SAID WEB MEMBER, SAID WINGS HAVING ON THEIR INNER SURFACES FACING ONE ANOTHER TEETH IN THE FORM OF CONTINUOUS RIBS EXTENDING PARALLEL TO SAID WEB MEMBER AND PROJECTING FROM SAID INNER SURFACE OF THE WINGS N A DIRECTION INCLINED TOWARDS SAID WEB MEMBER AND EMBEDDED IN SAID CARDBOARD RECEIVED IN SAID GAP AND ENGAGING SAID UNDULATIONS TO FIX SAID CARDBOARD WITHIN SAID GAP, AND A STIFFENING PLATE RIGIDLY CONNECTING THE ENDS OF THE WINGS OF SAID INNER ANGULAR MEMBER.