タイヤ - Sumitomo Rubber Industries, Ltd.

Title:

タイヤ

Document Type and Number:

Japanese Patent JP4249792

Kind Code:

B2

Abstract:

To provide a tire maintaining wet grip performance and having excellent rolling resistance.

This tire has a conductive layer provided between a tread part 7 and a breaker part 9, and a carcass 10. The conductive layer is constituted of a first conductive layer 4 provided between a carcass ply constituting the carcass 10, a side-wall side edge part of breaker rubber and a side-wall part 8, a second conductive layer 5 which is in contact with the first conductive layer 4 and is provided in a part or all between tread rubber 7 and carcass rubber 10, and a pen rubber layer 6 continuous to the second conductive layer 5 and a surface of the tread part 7. The carcass ply is provided with a carcass cord and a rubber layer. The carcass cord is made of conductive fibers including conductive fibers of 0.5 mass% to 20 mass%, has volume resistivity of 1×108Ω cm or less and has a structure in contact with a clinch part 3, a chafer part 2 and the first conductive layer 4.

Inventors:

Miya Saki Shinichi

Application Number:

JP2007209710A

Publication Date:

April 08, 2009

Filing Date:

August 10, 2007

Export Citation:

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Assignee:

Sumitomo Rubber Industries, Ltd.

International Classes:

B60C19/08; B60C1/00; B60C9/00; B60C9/04; B60C9/20; B60C11/00; B60C15/06

Domestic Patent References:

JP11180108A
JP11011121A
JP2004243973A
JP2008213770A

Attorney, Agent or Firm:

Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa

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