Title:
タイヤ
Document Type and Number:
Japanese Patent JP4249791
Kind Code:
B2
Abstract:
The pneumatic tire of the present invention, in which a tread rubber, a sidewall rubber, and a breaker rubber each have an intrinsic volume resistivity of 1×108 Ω·cm or more, a clinch rubber and a chafer rubber each have an intrinsic volume resistivity of 1×108 Ω·cm or less, wherein the pneumatic tire has a first conductive layer that is disposed between a carcass ply, an edge portion of the breaker rubber and the sidewall portion, a second conductive layer that is in contact with the first conductive layer and is disposed between the tread rubber and the carcass, and a pen rubber layer that extends from the second conductive layer to a surface of the tread portion, wherein the first conductive layer, the second conductive layer, and the pen rubber layer each have an intrinsic volume resistivity of 1×108 Ω·cm or less, the carcass ply contains a conductive fibrous material having an intrinsic volume resistivity of 1×108 Ω·cm or less and has a structure that the carcass ply is in contact with the clinch portion, the chafer portion, and the first conductive layer.
Inventors:
Miya Saki Shinichi
Application Number:
JP2007209709A
Publication Date:
April 08, 2009
Filing Date:
August 10, 2007
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C1/00; B60C19/08; B60C9/00; B60C9/04; B60C9/20; B60C11/00; B60C15/06
Domestic Patent References:
| JP2007008269A | ||||
| JP2007176437A | ||||
| JP2005254859A | ||||
| JP2000085316A |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa
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