| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing apparatus capable of a resin sheet having irregularities on one surface with high shape precision. <P>SOLUTION: The manufacturing apparatus 1 includes an extrusion die 10, a metal-made heating roll 11b and a metal-made cooling roll 13, a metal-made shaping belt 14 wound around the heating roll 11b and the cooling roll 13, a pressing roll 11a and a release roll 15. Irregularities 14b corresponding to those 17b to be formed on the surface 17a of a resin sheet 17 are formed on the outer surface 14a of the shaping belt 14, and resin coat layers 11b2 and 13b are formed on a surface of one or both of the heating roll 11b and the cooling roll 13. <P>COPYRIGHT: (C)2011,JPO&INPIT |
