Title:
スタッドレスタイヤ
Document Type and Number:
Japanese Patent JP6437855
Kind Code:
B2
Abstract:
The present invention provides a studless winter tire including a tread (a cap tread in the case of a multilayered tread) which exhibits a reduced increase in hardness at low temperatures and achieves a balanced improvement in both performance on ice and snow and abrasion resistance. The present invention also provides a studless winter tire including a base tread which exhibits a reduced increase in hardness at low temperatures and achieves a balanced improvement in both performance on ice and snow and durability. The studless winter tires include a tread or base tread formed from a rubber composition that contains predetermined amounts of silica and a rubber component including natural rubber and a specific modified conjugated diene polymer.
Inventors:
Ryoji Kojima
Takenaka Minatsuko
Takashi Ishino
Takenaka Minatsuko
Takashi Ishino
Application Number:
JP2015055205A
Publication Date:
December 12, 2018
Filing Date:
March 18, 2015
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08L7/00; B60C1/00; C08C19/25; C08F4/54; C08K3/36; C08L15/00; C08L91/00
Domestic Patent References:
| JP2002356583A | ||||
| JP2009051935A | ||||
| JP2010138249A |
Foreign References:
| US20110015302 | ||||
| EP2098554A1 | ||||
| EP2716700A1 | ||||
| US20100144954 | ||||
| EP2196324A1 | ||||
| WO2008084724A1 | ||||
| WO2012160938A1 |
Attorney, Agent or Firm:
Atomi International Patent Office