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Pneumatic tires, tire vulcanization dies, and methods for manufacturing pneumatic tires using tire vulcanization dies.
Pneumatic tires, tire vulcanization dies, and methods for manufacturing pneumatic tires using tire vulcanization dies.
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机译:充气轮胎,轮胎硫化模具以及使用轮胎硫化模具制造充气轮胎的方法。
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摘要
PROBLEM TO BE SOLVED: To provide a pneumatic tire, a tire vulcanization mold, and a method for manufacturing a pneumatic tire using the tire vulcanization mold, which can improve noise performance while suppressing deterioration of wet braking performance. A pneumatic tire 1 having a tread portion 2. The land portion 4 of the tread portion 2 has a plurality of sipes 8 having a width of less than 1.5 mm on the ground plane 4a and a plurality of groove-shaped portions having a width of 1.5 mm or more on the ground plane 4a. 9 and are provided. The length of the groove-shaped portion 9 provided on the land portion 4 in the tire axial direction is 15% or less of the maximum width of the ground contact surface 4a of the land portion 4 in the tire axial direction. At least one of the sipes 8 communicates with the grooved portion 9. [Selection diagram] Fig. 1
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