| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a structure having predetermined reliability by utilizing an existing molding method. SOLUTION: At first, a first molding material RN not mixed with a filler is injected in a cavity from the vicinity of a hinge part through a common runner part 23. Thereafter, a die is slid to change over an injection port prior to the completion of the filling of the cavity to inject a second molding material RY mixed with the filler. By this injection, the first molding material RN is pushed away and the cavity in the vicinity of the hinge part is filled with the second molding material RY.</p> |
