| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cushioning material for packing which can be incinerated after use, is easy to recycle, does not require much storage space as many cushioning materials can be stacked without bulkiness, and is easy to transport. SOLUTION: From one sheet material, a first face 22, a second face 23 connected to the left front edge of the face 22 through a first folding line 19a, a third face 24 connected to the left back edge of the face 22 through a second folding line 19b, a fourth face 25 connected to the right back edge of the face 22 through a third folding line 19c, a fifth face 26 connected to the left front edge of the face 24 through a forth folding line 19d and a sixth face 27 connected to the left back edge of the face 25 through a fifth folding line 19d are provided. The left front edge of the face 26 is formed with a first fitting protrusion 30, and the right front line of the face 27 is formed with a first fitting recess 33.</p> |
