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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2016/088853
Kind Code:
A1
Abstract:
On the tread surface, this pneumatic tire (1) has land portions (31-33) comprising ribs or multiple blocks. Further, on the ground contact surface, the land portions (31-33) are provided with multiple fine, shallow grooves (7) and multiple recesses (8). Further, defining the center region (CR) as the center 50 [%] region in the tire width direction of the continuous ground contact surface in the land portions (31-33) and defining the end regions as the end 25 [%] regions on the left and right in the tire width direction, in one continuous ground contact surface, the opening surface area ratio Sc of the recesses (8) in the center region (CR) in the tire width direction and the opening surface ratio Se of the recesses (8) in the end regions in the tire width direction have the relation Se < Sc.

Inventors:
FURUSAWA HIROSHI (JP)
Application Number:
PCT/JP2015/084057
Publication Date:
June 09, 2016
Filing Date:
December 03, 2015
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C11/00; B60C11/03; B60C11/12
Foreign References:
JP2012040894A2012-03-01
JP2007022277A2007-02-01
JP2007203863A2007-08-16
JPH03208705A1991-09-11
JP2006062469A2006-03-09
JP2007015621A2007-01-25
JP2009274726A2009-11-26
JP2014094631A2014-05-22
JP2005186649A2005-07-14
Other References:
See also references of EP 3228480A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Patent business corporation Sakai international patent firm (JP)
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