| 摘要 |
PROBLEM TO BE SOLVED: To attach an engaging part to a cushioning material with high stability.SOLUTION: A fixed part 12 is arranged in a cavity after being sewn to a holding member 20 which is planar and larger than the fixed part 12. During foam molding of a cushioning material 6P, part of the holding member 20 extending from the edge of the fixed part 12 is impregnated with a molten resin simultaneously, and the fixed part 12 is integrated with the cushioning material 6P, and engaging parts 14a, 14b are exposed from the cushioning material 6P. |
