Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP7243036
Kind Code:
B2
Abstract:
To provide a pneumatic tire with improved workability and uniformity over conventional levels.SOLUTION: A pneumatic tire having a carcass layer 4 which straddles between a pair of bead cores 5 in a toroidal form. The bead core 5 is configured in such a manner that bead wires, which are coated with a bead insulation rubber, are laminated, and a viscosity Va (kPa sec) of a rubber composition, which forms the bead inflation rubber, at a shear velocity 30 (1/sec) and a viscosity Vb (kPa sec) at a shear velocity 300 (1/sec) satisfy the followings: Va≥30, Vb≤12 and Vb/Va≤0.28.SELECTED DRAWING: Figure 1
Inventors:
Keisuke Aitake
Application Number:
JP2018083001A
Publication Date:
March 22, 2023
Filing Date:
April 24, 2018
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B60C15/04; B60C1/00; C08K3/04; C08K3/36; C08L7/00; C08L9/00; C08L9/06
Domestic Patent References:
| JP2016102150A | ||||
| JP2016196554A | ||||
| JP2015124249A | ||||
| JP2013043915A | ||||
| JP2018502980A |
Foreign References:
| WO2017033473A1 | ||||
| WO2017179471A1 | ||||
| WO2009004867A1 |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao
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