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    • 9. 发明公开
    • TIRE CASING AND METHOD OF PRODUCING TIRE
    • REIFENMANTEL UND VERFAHREN ZUR HERSTELLUNG EINES REIFENS
    • EP2633985A4
    • 2016-11-16
    • EP11836487
    • 2011-10-31
    • BRIDGESTONE CORP
    • YANAI KENJIRO
    • B29D30/08B29C33/02B29C35/02B29D30/58B60C1/00
    • B29D30/0601B29D30/70B60C1/0016B60C2011/0025
    • The present invention provides a method for producing a tire casing and a tire having improved low-heat-generation property and durability. The method for producing a tire casing comprises vulcanizing a casing portion comprising a belt portion composed of multiple belt layers, a side portion and a bead portion, and includes at least one compounding method selected from the following (a), (b) and (c): (a) in which carbon black having a nitrogen adsorption specific surface area of from 25 to 99 m 2 /g as defined in JIS K 6217-2:2001 is incorporated in the coating rubber composition for the outermost belt layer in the belt portion, in an amount of from 30 to 60 parts by mass per 100 parts by mass of the rubber component therein; (b) in which the belt portion is composed of at least three belt layers, and carbon black having a nitrogen adsorption specific surface area of from 25 to 99 m 2 /g as defined in JIS K 6217-2:2001 is incorporated in the coating rubber composition for at least one belt layer in the belt portion, in an amount of from 40 to 60 parts by mass per 100 parts by mass of the rubber component therein; (c) in which the casing portion includes a carcass ply, and carbon black having a nitrogen adsorption specific surface area of from 25 to 90 m 2 /g as defined in JIS K 6217-2:2001 is incorporated in the coating rubber composition for the carcass ply, in an amount of from 40 to 60 parts by mass per 100 parts by mass of the rubber component therein.
    • 本发明提供一种具有改进的低发热性和耐久性的轮胎胎和轮胎的制造方法。 制造轮胎胎体的方法包括硫化包括由多个带束层组成的带部分,侧部和胎圈部分的带部分的壳体部分,并且包括至少一种选自以下(a),(b)和( c):(a)其中在JIS K 6217-2:2001中定义的氮吸附比表面积为25〜99m 2 / g的炭黑被加入到用于最外层带层的涂料橡胶组合物中 带部分,其量为每100质量份其中的橡胶成分为30〜60质量份; (b)其中带部分由至少三个带束层组成,并且在JIS K 6217-2:2001中定义的氮吸附比表面积为25至99m 2 / g的炭黑被并入 所述带部分中的至少一个带束层的涂布橡胶组合物的量为每100质量份所述橡胶组分为40〜60质量份; (c)其中,所述壳体部包括胎体帘布层,并且在JIS K 6217-2:2001中定义的氮吸附比表面积为25〜90m 2 / g的炭黑被引入到用于 胎体帘布层,相对于100质量份的橡胶成分为40〜60质量份。