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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2018/110668
Kind Code:
A1
Abstract:
In order to ensure durability and reduce weight, a pneumatic tire 1 is configured such that: a tire outer surface contour line 30 from a side wall section 4 to a bead section 10 includes a contour circular arc 31 connected to a bead heel section 20 of the bead section 10 via a tire maximum width position 40 and a contour straight line 35 one end of which is connected to the contour circular arc 31 and the other end of which is connected to the bead heel 20; and, with respect to the height H1 in the tire radial direction from a bead toe 26 to the tire maximum width position 40, a connecting portion between the contour straight line 35 and the bead heel section 20 has a height H5 in the tire radial direction from the bead toe 26 in the range (0.3 × H1) ≥ H5 ≥ (0.25 × H1), and a connecting portion between the contour circular arc 31 and the contour straight line 35 has a height H2 in the tire radial direction from the bead tow 26 in the range (0.9 × H1) ≥ H2 ≥ (0.75 × H1).

Inventors:
MITA MASAYA (JP)
Application Number:
PCT/JP2017/044972
Publication Date:
June 21, 2018
Filing Date:
December 14, 2017
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C15/00; B60C13/00
Domestic Patent References:
WO2014129571A12014-08-28
Foreign References:
JP2000158919A2000-06-13
JP2013154701A2013-08-15
JPH10193924A1998-07-28
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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