| 摘要 |
PROBLEM TO BE SOLVED: To provide a synthetic resin foam molded product having a shape of every kind, comprising a foamable material of every kind manufactured by a molding method of every kind (extruded foamed product, a laminated foamed product), capable of developing a high sound absorbing capacity by slight processing or the improvement of a conventional mold, and having excellent dimensional precision causing no deformation without lowering compression strength becoming important in the demand specification of the synthetic resin foam molded product. SOLUTION: The synthetic resin foam molded product has a plurality of bottomed and/or piercing narrow grooves and the width of one narrow groove is 0.2-5 mm and the opening area ratio of the narrow grooves is 1.5-15%. COPYRIGHT: (C)2005,JPO&NCIPI |
