Title:
ランフラットタイヤ
Document Type and Number:
Japanese Patent JP7115652
Kind Code:
B2
Abstract:
Provided is a run flat tire comprising a side reinforcing layer on a sidewall part, wherein a rubber composition of the side reinforcing layer has a complex elastic modulus at 100°C (E*100) of 5.0 to 17 MPa and a loss tangent at 60°C (60°C tan δ) of 0.020 to 0.100 MPa, and wherein, where a tire cross-sectional width is defined as Wt (mm) and a tire outer diameter is defined as Dt (mm), Wt and Dt satisfy any of the following inequality (1), (2), and (3): Wt<225andDt≥59.078×Wt∧0.460225≤Wt<235andDt≥59.078×Wt∧0.620−967.673235≤WtandDt≥Wt∧0.6+750
Inventors:
Daichi Aoki
Nakajima Guo Aoi
Nakajima Guo Aoi
Application Number:
JP2021575801A
Publication Date:
August 09, 2022
Filing Date:
February 02, 2021
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C17/00; B60C1/00; B60C3/00
Domestic Patent References:
| JP201431400A | ||||
| JP200769775A | ||||
| JP853502A | ||||
| JP459403A |
Foreign References:
| WO2018109661A1 | ||||
| WO2015155992A1 |
Attorney, Agent or Firm:
Asahina Patent Office
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