Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP4348380
Kind Code:
B2
Abstract:
A pneumatic tire wherein at least 75 % by weight of tire-constituting components based on the tire overall weight are made of nonpetroleum-based materials and wherein, at least, base rubber 2G2 and cap rubber 2G1 of tread rubber 2G, sidewall rubbers 3G and a topping rubber of carcass 6 are formed of an insulating rubber material, wing rubbers 2G3 of tread rubber 2G are formed of an electrically conductive rubber material, and sidewall portions are provided with at least one electrically conducting path 20 formed from a ribbon-like conductive rubber strip 21 made of an electrically conductive rubber material and having a width Ws of 10 to 40 mm, in which the conductive rubber strip 21 extends linearly in a radially inward direction from an electrically conducting part 21A contacting the wing rubber 2G3 to reach clinch rubber 4G.
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Inventors:
Toshiyuki Manafune
Masayuki Sakamoto
Hideo Nobuchika
Masayuki Sakamoto
Hideo Nobuchika
Application Number:
JP2007142216A
Publication Date:
October 21, 2009
Filing Date:
May 29, 2007
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C19/08; B60C1/00; B60C11/00; B60C13/00; B60C15/06
Domestic Patent References:
| JP2006143208A | ||||
| JP2007008269A | ||||
| JP2003063206A | ||||
| JP2000190709A | ||||
| JP2007176437A | ||||
| JP2008208309A |
Attorney, Agent or Firm:
Sumitomo Shintaro