| 摘要 |
PROBLEM TO BE SOLVED: To improve the productive efficiency of a knife blade, and to reduce production cost. SOLUTION: As for the vulcanizing molding die 10 for a tire, a tread molding face 11 forming the tread part 2 of a tire includes: a block molding recessed part 12 forming a block land part 4; and a knife blade 14 forming a siping 5. The knife blade 14 is formed from a plurality of blade pieces 15 connected in the length direction of the siping via a lap part G. COPYRIGHT: (C)2009,JPO&INPIT |
