| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tire vulcanizing mold which can suppress the bending of a vent piece when being inserted into a vent hole and reduce the length of a spew. <P>SOLUTION: In the tire vulcanizing mold in which the tire molding surface 1a molding the outer surface of the tire is provided with the vent hole 5 that discharges air present between the outer surface of a tire and a tire molding surface 1a during vulcanization molding, the cylindrical vent piece 6 made of an iron-based material is inserted into the vent hole 5, and an intervention layer 7 which is formed from a material softer than a mold body and the cylindrical vent piece 6 and has a thickness of 500 μm or below is located in the interface 56 between the vent hole 5 and the cylindrical vent piece 6. <P>COPYRIGHT: (C)2013,JPO&INPIT |
