Title:
HEAVY DUTY TIRE
Document Type and Number:
WIPO Patent Application WO/2010/147076
Kind Code:
A1
Abstract:
A heavy duty tire comprising: a shoulder rib (A1) (shoulder rib (A5)) which is provided to a tread shoulder section; a second rib (A2) (second rib (A4)) which is adjacent to the shoulder rib (A1) with a circumferential groove (110) (circumferential groove (116)) interposed therebetween and is provided further toward the tire equator side than the shoulder rib (A1); and an uneven wear absorbing rib (B1) (uneven wear absorbing rib (B2)) provided within the circumferential groove (110) and located further toward the inside in the tire radial direction than the tread surfaces of the shoulder rib (A1) and of the second rib (A2). Circumferential narrow grooves (10, 12) having a smaller width than the circumferential grooves (110, 116) are formed in the second ribs (A2, A4). Each circumferential narrow groove (10, 12) is formed in such a manner that, when the tire is mounted on the vehicle, the circumferential groove (10, 12) is located on the outer side of the tire with reference to the center of the second rib (A2, A4) in the tread width direction.
Inventors:
SUGANUMA, Akira (())
Application Number:
JP2010/060025
Publication Date:
December 23, 2010
Filing Date:
June 14, 2010
Export Citation:
Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
International Classes:
B60C11/04; B60C5/00; B60C11/01; B60C11/12; B60C11/13
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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