Title:
PNEUMATIC TIRE AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2010/134379
Kind Code:
A1
Abstract:
A conduction section of a base rubber section and a conduction section of a cap rubber section are reliably conducted with each other. Tread rubber is provided with a base rubber section formed by helically winding a first electrically non-conductive rubber strip, a cap rubber section formed by helically winding a second electrically non-conductive rubber strip, and a conduction section penetrating through the base rubber section and the cap rubber section and extending in the radial direction. The conduction section is composed of: a first electrically conductive winding section consisting of a first electrically conductive rubber strip which is wound within the base rubber section so as to be superposed on the first electrically non-conductive rubber strip; and a second electrically conductive winding section consisting of a second electrically conductive rubber strip which is wound within the cap rubber section so as to be superposed on the second electrically non-conductive rubber strip. An exposed surface section formed by the radial upper end of the first electrically conductive winding section and an exposed surface section formed by the radial lower end of the second electrically conductive winding section are tilted in different directions relative to the circumferential direction of the tire and intersect each other, and as a result, the first and second electrically conductive winding sections are conducted with each other at the position of the intersection.
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Inventors:
KUROKI Takeshi (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
Application Number:
JP2010/054501
Publication Date:
November 25, 2010
Filing Date:
March 17, 2010
Export Citation:
Assignee:
SUMITOMO RUBBER INDUSTRIES,LTD. (6-9 Wakinohama-cho 3-chome, Chuo-ku Kobe-sh, Hyogo 72, 〒6510072, JP)
住友ゴム工業株式会社 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 Hyogo, 〒6510072, JP)
住友ゴム工業株式会社 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 Hyogo, 〒6510072, JP)
International Classes:
B60C19/08; B29D30/60; B60C11/00
Attorney, Agent or Firm:
SUMITOMO Shintaro (2-26, Nishinakajima 4-chome Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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