Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP6834291
Kind Code:
B2
Abstract:
A pneumatic tire comprises a tread portion 2 provided with a crown land region 15 and middle land regions 16 provided with only sipes, and shoulder land regions 20 provided with shoulder rug grooves 23 and connecting sipes 24. The tread portion 2 is provided with a crown tread profile 25 having a radius of curvature Rc, a middle tread profile 26 having a radius of curvature Rm, and a shoulder tread profile 27 having a radius of curvature Rs which satisfy a magnitude relation Rc > Rm > Rs. First interconnecting positions 31 at which the crown tread profile 25 connects with the middle tread profiles 26 are positioned in the respective middle land regions 16. second interconnecting positions 32 at which the middle tread profiles 26 connect with the shoulder tread profiles 27 are positioned in the respective shoulder land regions 20 and axially inside the inner ends of the shoulder rug grooves 23.
Inventors:
Tomoyuki Kujime
Okakawa Hiroshi
Okakawa Hiroshi
Application Number:
JP2016184541A
Publication Date:
February 24, 2021
Filing Date:
September 21, 2016
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/00; B60C11/03; B60C11/12
Domestic Patent References:
| JP2013060129A | ||||
| JP2016022800A | ||||
| JP2016041563A | ||||
| JP2012218633A | ||||
| JP2016150601A | ||||
| JP2015229408A | ||||
| JP2015231812A | ||||
| JP2016137749A |
Attorney, Agent or Firm:
Sumitomo Shintaro
Ura Shigego
Jun Naemura
Yukinobu Ishihara
Ura Shigego
Jun Naemura
Yukinobu Ishihara