| 摘要 |
PURPOSE: A curing mold for a tire is provided to improve the external appearance of a tire by removing rubber on the surface of a completely cured tire and to improve productivity by eliminating the need for trimming work. CONSTITUTION: A curing mold has many vent holes. The vent hole is formed by installing a pad(3) allowing air to discharge and blocking up rubber on the front face of the vent hole. Micro-tubes(30) are formed in the pad at an interval of 5mm. Diameter of the micro-tubes is 0.15-0.2mm. During curing, air between a green tire and the mold is discharged through the micro-tubes, holes and the vent holes. High polymer rubber contacting to the pad is restrained from invading the micro-tubes. Therefore, rubber does not remain on the surface of a tire.
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