PROBLEM TO BE SOLVED: To reduce rolling resistance of a tire.SOLUTION: There is provided a tire having at least spews 12 provided extending from a tread surface 21 of a tread part 2 to the outside in the tire radial direction, where 50% or more of the total number of spews 12 present in the tread part 2 is provided slantingly in the same direction as the tire circumferential direction so as to form an obtuse angle α of 100 to 140° with respect to a tangential line H of the tread surface 21, the spews 12 preferably have an outer diameter of 0.5 to 1.4 mm and the spews 12 are cut by inserting a blade from the obtuse angle side of the spews 12.SELECTED DRAWING: Figure 2
【課題】タイヤの転がり抵抗を低減すること。【解決手段】少なくともトレッド部2のトレッド面21からタイヤ径方向外側に延出して設けられるスピュー12を有し、トレッド部2に存在するスピュー12の総数の50%以上が、トレッド面21の接線Hに対して100〜140?の鈍角αをなすようにタイヤ周方向の同方向に傾斜して設けられ、スピュー12の外径は0.5〜1.4mmが好ましくまた、スピュー12の鈍角側から刃を入れてそのスピュー12をカットするタイヤ。【選択図】図2
TIRE, TIRE MOLDING MOLD, METHOD FOR CUTTING SPEW AND METHOD FOR PRODUCING TIRE
タイヤ、タイヤ成形金型、スピューカット方法およびタイヤ製造方法
2016-04-04
Patent
Electronic Resource
Japanese
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