| 摘要 |
The occurrence of recessed marks on a surface of weatherstrip having a core embedded therein is prevented. Core (16) to be embedded in weatherstrip (13) is obtained by linking multiple core pieces (22) at given intervals so as to provide separation spaces (24) between individual core pieces (22), filling the interior of the separation spaces (24) with filler polymer material (P2) to a thickness substantially equal to that of the core pieces (22), and coating the whole surface of the core (16) with the filler polymer material (P2). Accordingly, in the forming of weatherstrip (13), the thicknesses of trim polymer material (P1) at the area covering the core pieces (22) and at the area covering the separation spaces (24) filled with the filler polymer material (P2) are made substantially identical with each other, thereby attaining substantially zeroing of the variation of molding shrinkage along the thickness direction of the trim polymer material (P1).
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