| 摘要 |
<p>PROBLEM TO BE SOLVED: To bring out a cushioning effect by the thickness of a frame wall and cushions stuck on side plates and stably hold the contained material, even if it is polygonal or circular, by providing recessed parts of the frame, by use of recycled paper as the raw material. SOLUTION: A plurality of single-step laminated cushions 5 are put on a side plate 4 and bonded and fixed thereto. Frame walls 6 having an appropriate thickness are bent to rise from the four sides of the side plate 4. The central parts of the inside of respective frame wall 6 faces are indented to form recessed parts 7 of the frame. A pair of cases having this shape are provided and the mutual centers of the bottom face of the box body 1 are connected by a connection plate 2. And a gripping flap 8 is protruded from the center of the outside edge of the top face of the box body 1 toward the upper side.</p> |
