Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2020/250692
Kind Code:
A1
Abstract:
A pneumatic tire according to the present invention has a tread. The tread has one or more sipes in a tread surface. The sipe includes: a first sipe section on the tread surface side; a second sipe section on a sipe bottom side; and an enlarged-diameter section, which has a greater sipe width than the first sipe section and the second sipe section, between the first sipe section and the second sipe section. At least the bottom of the enlarged-diameter section is included in an intermediate tread rubber layer, which is located at an intermediate position, in the tire diameter direction, between a tread rubber layer constituting the tread surface and a tread rubber layer on the innermost side of the tread in the tire diameter direction.
Inventors:
OHSAWA YASUO (JP)
Application Number:
PCT/JP2020/021004
Publication Date:
December 17, 2020
Filing Date:
May 27, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/12; B60C11/00
Domestic Patent References:
| WO2017105496A1 | 2017-06-22 |
Foreign References:
| JP2006298057A | 2006-11-02 | |||
| JP2010208428A | 2010-09-24 | |||
| JP2016084046A | 2016-05-19 | |||
| JP2018002008A | 2018-01-11 | |||
| JP2001130227A | 2001-05-15 | |||
| JP2010105509A | 2010-05-13 |
Other References:
"Europe or the Design Rim in the YEAR BOOK", EUROPEAN TYRE AND RIM TECHNOLOGICAL ORGANISATION (ETRTO, article "STANDARDS MANUAL of the ETRTO"
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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