Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2020/059482
Kind Code:
A1
Abstract:
A pneumatic tire (1) has a noise-suppressing body (20), which is formed from a porous material and is fixed to a tire cavity surface (17) of a tread part (2). The noise-suppressing body (20) has a ratio H1/H2 of 2.0 or less when H1 is a first hardness under a 25% compression load, as determined in accordance with JIS K6400-2 in a 23°C atmosphere, and H2 is a second hardness under a 25% compression load, as determined in accordance with JIS K6400-2 in a 50°C atmosphere.
Inventors:
KAWACHI TAKAHIRO (JP)
Application Number:
PCT/JP2019/034628
Publication Date:
March 26, 2020
Filing Date:
September 03, 2019
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C5/00
Domestic Patent References:
| WO2018074414A1 | 2018-04-26 | |||
| WO2008062673A1 | 2008-05-29 | |||
| WO2015111315A1 | 2015-07-30 | |||
| WO2006117944A1 | 2006-11-09 |
Foreign References:
| JP2011526556A | 2011-10-13 | |||
| JP2004035784A | 2004-02-05 | |||
| JP2017109701A | 2017-06-22 | |||
| JP2015209198A | 2015-11-24 | |||
| JP4960626B2 | 2012-06-27 | |||
| JPS5833155B2 | 1983-07-18 | |||
| JP2013119620A | 2013-06-17 | |||
| JP5258215B2 | 2013-08-07 | |||
| JP2004300352A | 2004-10-28 | |||
| JP2004231899A | 2004-08-19 | |||
| JP2004035784A | 2004-02-05 | |||
| JPH0674046B2 | 1994-09-21 |
Other References:
See also references of EP 3842259A4
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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