PROBLEM TO BE SOLVED: To suppress generation of poor appearance of a pneumatic tire.SOLUTION: A pneumatic tire 1, which is manufactured by use of a tire vulcanization forming metal mold 100 having a slit vent S, is equipped with a siping 40, and a vent trace 50 of the slit vent S crossing the siping 40 on a tread surface 3. The siping 40 has a spew 46 both ends of which are connected to a pair of siping walls 44 of the siping 40, and at least one end part 47 of the spew 46 is located at a position at which a periphery length L along the siping 40 from an intersection position P between the siping 40 and the vent trace 50 falls within a range of L≤10 mm.SELECTED DRAWING: Figure 4
【課題】空気入りタイヤの外観不良の発生を抑制すること。【解決手段】スリットベントSを有するタイヤ加硫成形金型100を用いて製造された空気入りタイヤ1であって、サイプ40と、サイプ40に交差するスリットベントSのベント跡50とをトレッド面3に備え、サイプ40は、サイプ40が有する一対のサイプ壁44に両端が接続されるスピュー46を有し、スピュー46は、サイプ40とベント跡50との交差位置Pからのサイプ40に沿ったペリフェリ長さLが、L≦10mmの範囲内となる位置に、少なくとも一方の端部47が配置されている。【選択図】図4
PNEUMATIC TIRE, TIRE VULCANIZATION FORMING METAL MOLD AND TIRE MANUFACTURING METHOD
空気入りタイヤ、タイヤ加硫成形金型及びタイヤ製造方法
2017-12-21
Patent
Electronic Resource
Japanese
PNEUMATIC TIRE, TIRE VULCANIZATION FORMING METAL MOLD AND TIRE MANUFACTURING METHOD
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