| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent generation of wrinkles on a skin layer. SOLUTION: A surface layer 2 composed of a water repellency-treated nonwoven fabric 12 of an organic fiber is laminated on a surface of a web 10 to become a core layer 1 with a hot melt material 11 and then the hot melt material 11 is melt by a heating apparatus 13 followed by being solidified.</p> |
