Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2020/090680
Kind Code:
A1
Abstract:
In the present invention, the bead portion (60) of a pneumatic tire (10) includes a bead structure having a bead core comprising a predetermined number of cord units positioned adjoining one another in the tire width direction and the tire radial direction. The cord units comprise: bead cords formed of a metal material; and a coating resin which coats the bead cords and is formed of a resin material. The cord units are convex polygons having at least four sides, and the inside edge of the bead structure in the tire radial direction includes an inclined portion which is inclined to the outside in the tire radial direction, moving from the center of the bead structure in the tire width direction to the outside in the tire width direction.
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Inventors:
FUKUSHIMA ATSUSHI
Application Number:
PCT/JP2019/042014
Publication Date:
May 07, 2020
Filing Date:
October 25, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/06; B60C15/04
Domestic Patent References:
WO2011122450A1 | 2011-10-06 | |||
WO2013089111A1 | 2013-06-20 | |||
WO2008143288A1 | 2008-11-27 |
Foreign References:
JP2011235835A | 2011-11-24 | |||
JP2017537842A | 2017-12-21 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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