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    • 6. 发明公开
    • PNEUMATIC TIRE
    • 充气轮胎
    • EP3040212A1
    • 2016-07-06
    • EP15200255.6
    • 2015-12-15
    • The Goodyear Tire & Rubber Company
    • POORTERS, Laurent Albert RobertKANZ, CarloDELVILLE, Jerome Joel DanielFRANK, Uwe ErnstWEYDERT, Marc
    • B60C1/00C08L21/00
    • B60C15/0009B29D30/0681B60C1/0041B60C15/0603B60C2001/0058C08L21/00C08L61/06C08L63/00
    • A pneumatic tire comprising a carcass (114) and a tread (110) radially outward of the carcass is disclosed. The carcass (114) comprises a carcass reinforcing ply (118), opposing bead portions (130a, 130b) and opposing sidewalls (120a, 120b). The carcass reinforcing ply (118) has a main portion (118a) extending between the opposing bead portions (130a, 130b) and a pair of turnup portions (118b), each turnup portion (118b) extending from one end of the main portion (118a). The carcass ply (118) further comprises reinforcing cords and a plycoat. Each bead portion (130a, 130b) has a bead core (132) and a bead apex (134). Each bead apex (134) is in contact with the plycoat. The plycoat comprises a plycoat rubber composition comprising a first methylene acceptor. The apex (1134) comprises an apex rubber composition comprising a second methylene acceptor and a methylene donor, wherein the amount of methylene donor is in stoichiometric excess relative to the second methylene acceptor.
    • 公开了包括胎体(114)和胎体径向外侧的胎面(110)的充气轮胎。 胎体(114)包括胎体增强帘布层(118),相对的胎边部分(130a,130b)和相对的侧壁(120a,120b)。 胎体增强帘布层118具有在相对的胎缘部130a,130b和一对翻边部118b之间延伸的主部118a,每个翻边部118b从主部的一端延伸(118b) 118A)。 胎体帘布层(118)还包括增强帘线和层合涂层。 每个胎圈部分(130a,130b)具有胎圈芯(132)和胎圈三角胶(134)。 每个胎圈三角胶(134)都与铺层接触。 该涂层包含含有第一亚甲基受体的涂层橡胶组合物。 顶点(1134)包括包含第二亚甲基受体和亚甲基给体的三角胶橡胶组合物,其中亚甲基给体的量相对于第二亚甲基受体为化学计量过量。