摘要 |
<p>PROBLEM TO BE SOLVED: To perform molding a stock, using a die, to a shape corresponding to the die even if it is a flexible material.SOLUTION: A core material (10), having rigidity which allows it to retain a shape corresponding to a die after being pressed via the die, is pressed with the die to be molded into the shape corresponding to the die. After that, at least one sheet material (11, 12), having no rigidity which allows it to retain a shape corresponding to a die after being pressed via the die, is attached on either or both sides of the core material (10).</p> |