Title:
PNEUMATIC TIRE WITH ACOUSTIC DAMPER, AND METHOD FOR MANUFACTURING SAID TIRE
Document Type and Number:
WIPO Patent Application WO/2020/027115
Kind Code:
A1
Abstract:
A pneumatic tire T with an acoustic damper comprises an acoustic damper 20 made of a porous resin foam placed on a tread inner surface 2S. The acoustic damper 20 is made of one annular body 21 extending continuously in a tire circumference direction. The core density δ1 of the acoustic damper 20 is 35-65 kg/m3, and the overall density δ0 is 50-105 kg/m3. The maximum height H of the acoustic damper 20 from the tread inner surface 2S is in a range of 12-30 mm.
Inventors:
YUKAWA NAOKI (JP)
MATSUNAMI SHO (JP)
SATO TAKUYA (JP)
KINAMI SAEKO (JP)
SADO SHINICHIRO (JP)
IDO HIROAKI (JP)
URANO ATSUSHI (JP)
MATSUNAMI SHO (JP)
SATO TAKUYA (JP)
KINAMI SAEKO (JP)
SADO SHINICHIRO (JP)
IDO HIROAKI (JP)
URANO ATSUSHI (JP)
Application Number:
PCT/JP2019/029800
Publication Date:
February 06, 2020
Filing Date:
July 30, 2019
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
COVESTRO DEUTSCHLAND AG (DE)
COVESTRO DEUTSCHLAND AG (DE)
International Classes:
B60C5/00
Domestic Patent References:
| WO2008062673A1 | 2008-05-29 | |||
| WO2016060239A1 | 2016-04-21 | |||
| WO2011125952A1 | 2011-10-13 |
Foreign References:
| JP2006143020A | 2006-06-08 | |||
| JP2006306302A | 2006-11-09 | |||
| JP2018508401A | 2018-03-29 | |||
| JP2013043643A | 2013-03-04 | |||
| JP2015526535A | 2015-09-10 | |||
| JP5658766B2 | 2015-01-28 | |||
| JP5658766B2 | 2015-01-28 | |||
| JP5860411B2 | 2016-02-16 |
Other References:
See also references of EP 3822091A4
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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