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Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2014/167763
Kind Code:
A1
Abstract:
This pneumatic tire is characterized in that a tread has one wide main groove, a groove center line of the wide main groove is positioned in the inside half when the tire is mounted to a vehicle; and with an intersection point between a second curved portion and the tread denoted as P2, an intersection point between a first curved portion and the second curved portion denoted as Q2, an intersection point between a third curved portion and the tread denoted as P3, and an intersection point between the first curved portion and the third curved portion denoted as Q3, the angle (α2) formed by a straight line (L2) connecting the point (P2) and the point (Q2) and a tangent line (M2) of an imaginary contour (TL) of the tread at the point (P2) is 45° or less, an angle (α3) formed by a straight line (L3) connecting the point (P3) and the point (Q3) and a tangent line (M3) of the imaginary contour (TL) of the tread at the point (P3) is 45° or less, and a distance (W2) along the tire width is greater than the maximum groove depth (D) of the wide main groove.

Inventors:
HIRAISHI, Tomohiro (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
Application Number:
JP2014/000797
Publication Date:
October 16, 2014
Filing Date:
February 17, 2014
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B60C11/04; B60C5/00; B60C11/13
Foreign References:
JPH06227208A
JPH07125508A
JP2002036826A
JP2011225084A
JP2009101775A
JPH06127215A
JP2004203173A
JPH07195910A
JP2011162162A
Attorney, Agent or Firm:
SUGIMURA, Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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