| 摘要 |
PURPOSE:To provide a mold for tire molding of good hardness of pieces, good durability and simple maintenance. CONSTITUTION:A plurality of pieces 10 are fitted on a holder sector 20 to constitute a segment 5. The pieces 10 are disposed adjoiningly in a manner that respective adjoining faces 12 of the pieces are brought into contact one another. The hardness of corners 11e formed by molded faces 11 and the adjoining faces 12 is controlled to be within the range of HV140-4000. |
