Title:
PNEUMATIC RADIAL TIRE FOR PASSENGER VEHICLES
Document Type and Number:
WIPO Patent Application WO/2020/121571
Kind Code:
A1
Abstract:
This pneumatic radial tire for passenger vehicles is equipped with a carcass which comprises a ply of radially arranged cords extending toroidally across a pair of bead portions, and the cross-sectional width SW (mm) and outer diameter OD (mm) of the tire satisfy a predetermined relational expression. One or more noise suppressors are provided on the inner surface of the tire. The noise suppressors are provided at least on the inner surface of the tire in a shoulder region. The ratio T1/L1 falls within the range of 0.2-0.8 where L1 (mm) is the peripheral length of the noise suppressor along the inner surface of the tire and T1 (mm) is the maximum thickness of the noise suppressor measured in a direction perpendicular to the direction along the inner surface of the tire.
Inventors:
KUWAYAMA ISAO (JP)
Application Number:
PCT/JP2019/027043
Publication Date:
June 18, 2020
Filing Date:
July 08, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C5/00; B60C3/04
Domestic Patent References:
| WO2013065318A1 | 2013-05-10 |
Foreign References:
| JP2014213837A | 2014-11-17 | |||
| JP2016074280A | 2016-05-12 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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