JPS6445246A - Corrugated cardboard box - Google Patents

Abstract

PURPOSE:To prevent the generation of the breakage of a sheet like article to be packed after packing and to obtain an inexpensive corrugated cardboard box, by forming a protruding edge part into a square tubular body having a cavity part therein and forming a bottom part, a lid part and the protruding edge part from one corrugated cardboard. CONSTITUTION:Lid parts 5, 5 are integrally provided to both sides of a bottom part 1 through side walls 4, 4 demarcated by rules 3...3. Protruding edge parts 6, 6 each having a height about 1/2 the width of each of the side walls 4 are formed to the opposed sides of the bottom part 1 on the sides crossing the rules 3 at a right angle and similar protruding edge parts 7, 7 are also formed to the opposed sides of each of the lid bodies 5 on the sides crossing the rules 3 of the lid parts 5. Each of the protruding edge parts 6, 7 are formed into a square tubular body having a cavity part 8 therein by folding the corrugated cardboard integrated with the bottom part 1 or lid part 5 four times and the folded piece of the leading end of each tubular body is fixed by a hot melt adhesive 9. In order to pack a laminate 2 being printing lighography by this corrugated cardboard box, the laminate 2 is placed on the bottom part 1 between the protruding edge parts 6, 6 and the protruding edge parts 7...7 are folded along the rules 3...3 to be placed on the protruding edge parts 6...6 and the lid parts 5, 5 are closed to be fixed by an adhesive tape.