Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP7417043
Kind Code:
B2
Abstract:
To provide a pneumatic tire capable of improving, relative to prior art, low rolling resistance, wet grip performance, dry grip performance and wear resistance.SOLUTION: A pneumatic tire comprises: a tread part comprising a cap tread 10a arranged outside in a tire radial direction, and an under tread 10b arranged inside in a radial direction; and a belt layer 8 inside in the radial direction of the tread part, in which a thickness Gb of the belt layer is 0.9 mm or greater and 1.2 mm or smaller, a ratio Gc/Gb with respect to a thickness Gc (mm) of the cap tread is 7.0 or smaller, and a rubber composition forming the cap tread is formed of a rubber component including 80-100 mass% of a hydrogenation aromatic vinyl-conjugate diene copolymer having a hydrogenation ratio of 70% or greater.SELECTED DRAWING: Figure 1
Inventors:
Yusuke Iizuka
Application Number:
JP2019189737A
Publication Date:
January 18, 2024
Filing Date:
October 16, 2019
Export Citation:
Assignee:
Yokohama Rubber Co., Ltd.
International Classes:
B60C9/18; B60C1/00; B60C11/00; C08F236/10; C08K3/36; C08L9/06
Domestic Patent References:
| JP2018108760A | ||||
| JP2018108763A | ||||
| JP2004276686A | ||||
| JP6297911A | ||||
| JP2019182982A | ||||
| JP2016056350A | ||||
| JP2015003548A | ||||
| JP11170813A | ||||
| JP2127102A |
Foreign References:
| WO2016039006A1 | ||||
| WO2016039008A1 | ||||
| WO2019020887A1 |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Takayoshi in the daytime
Masao Sakaizawa
Takayoshi in the daytime
Masao Sakaizawa