| 摘要 |
PURPOSE:To obtain a cushion body which is easily foldable, is easy to house and has an excellent use feeling and an excellent finger pressure effect. CONSTITUTION:This cushion body 1 consists of a soft polyurethane foam and has continuous corrugated shapes in an X direction. In addition, the front and rear thereof are symmetrical and the projecting parts 2 and recessed parts 3 in a Y direction are respectively straight. |
