| 摘要 |
<p>There is provided a vulcanizing mold for a tire in which the capacity of venting air through between the molding pieces of the sector mold is significantly enhanced. A tread ring for vulcanizing and shaping a tread of the tire comprises plural sector molds which are separately formed in the circumferential direction so as to be brought into surface contact with each other. Each of the sector molds comprises segments and plural movable molding pieces circumferentially aligned and disposed on the inner surface side of the segment, and each of the movable molding pieces of each sector mold is urged away from each other.</p> |
