| 摘要 |
PROBLEM TO BE SOLVED: To provide a cushioning material that can be easily formed into a complicated solid shape and is low in cost. SOLUTION: The cushioning material has hollow projections 4 projecting from a flat face 3. The flat face 3(3a, 3b, 3c) is made of corrugated paper board. Each projection 4 is made of a pulp mold material formed using a pulp mold. Each projection 4 is inserted and fixed into a through-hole 3d made in the flat face 3. COPYRIGHT: (C)2007,JPO&INPIT
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