| 摘要 |
PROBLEM TO BE SOLVED: To reduce the amount of polyurethane foam used, while maintaining the various performances of the cushion to the greatest extent possible. SOLUTION: The cushion 4P has a seat portion 10 made of polyurethane foam, and a supporting portion 12 made of an elastic fiber laminated body 12p. The seat portion 10 and the supporting portion 12 are directly joined in a state in which the elasticity of the supporting portion 12 is maintained. COPYRIGHT: (C)2011,JPO&INPIT |
