| 摘要 |
<p>PURPOSE:To enhance attachment strength of a bead to a sole and have good finish form of a bead. CONSTITUTION:A bead 2 formed endlessly is fitted in a recess groove 8 of a metallic mold 6. Both metallic molds 5, 6 are mutually piled up. Molten resin is then injected into a formed portion 7, so that a sole is formed in this portion 2, the firm attachment of the bead 2 is obtained and there occurs no gap around the bead 2.</p> |
