| 摘要 |
PROBLEM TO BE SOLVED: To provide a cylindrical body, a framework material and a cardboard pallet where a reinforced cardboard is used by being folded at a right angle.SOLUTION: A problem is solved by a reinforced cardboard cylindrical body 10 where: the cylindrical body 10 is formed with a reinforced cardboard 2 having a corner part folded at a right angle; a flute and a liner at the other side are cut off so that the one side liner of the flat plate reinforced cardboard 2 remains and slopes having a slope angle of 45° are formed respectively at both sides of one side liner surface in a vertical direction in the shape of the corner part; a V-shaped cut part 4 having an angle of 90° is formed; and the reinforced cardboard is folded at a right angle at the V-shaped cut part 4.SELECTED DRAWING: Figure 8 |
