Tire vulcanizing bladder and pneumatic tire
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United States of America Patent
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May 28, 2024
Grant Date -
Jun 3, 2021
app pub date -
Jun 14, 2018
filing date -
Jun 14, 2018
priority date (Note) -
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Abstract
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 μm2 of 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.
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