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Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2018030393
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of improving ride comfort performance while enhancing maneuvering stability.SOLUTION: A pneumatic tire 1 comprises a carcass 6 of reaching a bead part 4 via a sidewall part 3 from a tread part 2 and an annular bead core 5 arranged in the bead part 4. The carcass 6 is folded back along an inner peripheral part of the bead core 5. The bead core 5 includes a wire 50 wound in the tire circumferential direction. In the pneumatic tire 1 of a normal state, the outer end 5o in the tire radial direction of the bead core 5 is positioned on the inside in the tire radial direction more than the outer end Fo in the tire radial direction of a flange F. The wire 50 comprises a structure of intertwining a plurality of filaments. The winding-superposing number in the tire radial direction of the wire 50 is 1.5 times or more of the row number in the tire axial direction of the wire 50.SELECTED DRAWING: Figure 1

Inventors:
ISAKA KO
Application Number:
JP2016162153A
Publication Date:
March 01, 2018
Filing Date:
August 22, 2016
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C15/04; B60C9/00; B60C15/00; D07B1/06; D07B1/18
Domestic Patent References:
JP2011246019A2011-12-08
JP2012162204A2012-08-30
JP2005329914A2005-12-02
JP2015209167A2015-11-24
JPH0622004U1994-03-22
JP2014100994A2014-06-05
JP5145205B22013-02-13
Foreign References:
WO2014073303A12014-05-15
Attorney, Agent or Firm:
Sumitomo Shintaro
Ura Shigego
Jun Naemura
Ishihara Yukinobu