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Title:
HEAVY-DUTY PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2014201166
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To make the fuel consumption performance of a heavy-duty pneumatic tire compatible with noise and wet performances highly dimensionally.SOLUTION: There is provided a heavy-duty pneumatic tire 1 having, in a tread 2, at least one block row 6 in which multiple blocks 5 partitioned by at least three major grooves 3 continuously extending in a tire circumferential direction and lateral grooves 4 extending between the major grooves 3 or the major groove 3 and a tread end 2t, fall into rank to the tire circumferential direction. The land ratio of the tread 2 is 70-80%, and 40 to 50 pieces of a pitch P1 being a unit pattern comprising one block 5 and one lateral groove 4 adjacent thereto are included in the tread 2. In each pitch P1, a groove width W1 of the lateral groove 4 in the tire circumferential direction is 5 to 15% of a block length in the same direction as above.

Inventors:
OKABE TARO
Application Number:
JP2013077913
Publication Date:
October 27, 2014
Filing Date:
April 03, 2013
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C11/04; B60C11/03; B60C11/11; B60C11/12; B60C11/13
Domestic Patent References:
JP2012153156A2012-08-16
JP2008049791A2008-03-06
JPH1086613A1998-04-07
JP2006111091A2006-04-27
JP2012035807A2012-02-23
JP2009126280A2009-06-11
JP2003252009A2003-09-09
JP2012153156A2012-08-16
JP2008120174A2008-05-29
JPH04358907A1992-12-11
JP2008049791A2008-03-06
Foreign References:
WO2006013758A12006-02-09
Attorney, Agent or Firm:
Shintaro Sumitomo



 
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