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发明公开
CN101784404A 充气轮胎 有权

充气轮胎
摘要：
本发明的充气轮胎(1)，胎面胶(7)、胎侧胶(8)以及缓冲层胶(9)的体积电阻系数在1×108Ω·cm以上，边口衬胶(clinch rubber)(3)以及胎圈包布胶(2)的体积电阻系数在1×108Ω·cm以下。具有：设置于胎体帘布层和缓冲层胶(9)的边缘部分与胎侧部之间的第1导电层(4)；与该第1导电层(4)相接、设置于胎面胶(7)与胎体(10)之间的第2导电层(5)；从该第2导电层(5)至胎面表面连续设置的笔胶(pen rubber)层(6)。上述第1导电层(4)、第2导电层(5)以及笔胶层(6)的体积电阻系数在1×108Ω·cm以下，上述胎体帘布层含有体积电阻系数在1×108Ω·cm以下的导电性纤维材料，其构造是与边口衬胶、胎圈包布以及第1导电层(4)相接。
摘要（英）：

Provided is a pneumatic tire (1), in which a tread rubber (7), a side-wall rubber (8) and a breaker rubber (9) have an intrinsic volume resistivity of 1 X 108 Omega cm or higher, and in which a clinch rubber (3) and a chafer rubber (2) have an intrinsic volume resistivity of 1 X 108 Omega cm or lower. The pneumatic tire (1) comprises a first conductive layer (4) interposed between a carcass ply and the edge portion and the side wall portion of the breaker rubber (9), a second conductive layer (5) contacting the first conductive layer (4) and interposed between the tread rubber (7) and a carcass (10), and a pen rubber layer (6) continuing from the second conductive layer (5) to the surface of the tread portion. The pneumatic tire (1) has a structure, in which the first conductive layer (4), the second conductive layer (5) and the pen rubber layer (6) have an intrinsic volume resistivity of 1 X 108 Omega cm or lower, and in which the carcass ply contains a conductive fibrous material having an intrinsic volume resistivity of 1 X 108 Omega cm or lower and contacts the clinch portion, the chafer portion and the first conductive layer (4).

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