Provided is a tire vulcanizing bladder comprising fluororubber, wherein a plurality of grooves extending in a width direction are formed on a circumference of an outer surface of the tire vulcanizing bladder, and a plurality of recesses connecting the grooves to each other are formed between the grooves. Also provided is a pneumatic tire comprising one or more fluorine-containing particles having a maximum diameter of 1.0 µm or more per area of 100 µm2of a tire inner surface, wherein a plurality of bladder ridges extending in a tire width direction are formed on a circumference of the tire inner surface, and a plurality of protrusions connecting the bladder ridges to each other are formed between the bladder ridges.
タイヤ加硫用ブラダー及び空気入りタイヤ
2022-02-10
Patent
Elektronische Ressource
Japanisch
ブチルゴム、その製造方法、ゴム製品、組成物及び応用、並びに、車両用タイヤインナーライナー、インナーチューブ及び加硫ブラダー
Europäisches Patentamt | 2021