Title:
HEAVY-DUTY PNEUMATIC TIRE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/013210
Kind Code:
A1
Abstract:
This tire 2 includes: a tread 4 in which at least three circumferential grooves 24 that extend continuously in a circumferential direction are carved; and a belt 14 that is located radially inside the tread 4. A ratio of a center stretch, represented by formula (2), at the central portion of the belt to a shoulder stretch, represented by formula (1), at an end portion of the belt is 1 to 3, and the shoulder stretch is 1% or greater. (1): (shoulder stretch) 100 × (Rsa - Rsb) / Rsb (2): (center stretch) 100 × (Rca - Rcb) / Rcb
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Inventors:
ATAKE IKUO (JP)
SATO HANA (JP)
SATO HANA (JP)
Application Number:
PCT/JP2019/027235
Publication Date:
January 16, 2020
Filing Date:
July 10, 2019
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C9/18; B29D30/08; B60C9/28; B60C11/03
Domestic Patent References:
| WO2017045600A1 | 2017-03-23 |
Foreign References:
| JP2005306077A | 2005-11-04 | |||
| JP2001163009A | 2001-06-19 | |||
| JP2008049967A | 2008-03-06 | |||
| JPH0396402A | 1991-04-22 | |||
| JP2001130217A | 2001-05-15 | |||
| JP2012046061A | 2012-03-08 | |||
| JP2004196142A | 2004-07-15 | |||
| JPH0415104A | 1992-01-20 | |||
| JP2018154075A | 2018-10-04 | |||
| JP2008049967A | 2008-03-06 |
Other References:
See also references of EP 3800069A4
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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