Title:
PNEUMATIC TIRE MANUFACTURING METHOD AND MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/008363
Kind Code:
A1
Abstract:
Disclosed is a pneumatic tire manufacturing method capable of preventing an increase in tire weight to effectively prevent contamination of the color of a color rubber material used as side wall ornamentation or character information display of the pneumatic tire, or the tread wear indicator of a tread region. The disclosed pneumatic tire manufacturing method involves a step for forming a composite rubber material (1) comprising two or more types of rubber material including a color rubber material (1a) having a color different from the rubber material that is black in color due to carbon black, and a rubber coating material (1b) coating said color rubber material (1a).
Inventors:
KAWAI Seiichiro (3-1-1 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
川合 誠一郎 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン技術センター内 Tokyo, 〒1870031, JP)
YOKOTA Yasuaki (3-1-1 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
川合 誠一郎 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン技術センター内 Tokyo, 〒1870031, JP)
YOKOTA Yasuaki (3-1-1 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
Application Number:
JP2011/065617
Publication Date:
January 19, 2012
Filing Date:
July 07, 2011
Export Citation:
Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
KAWAI Seiichiro (3-1-1 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
川合 誠一郎 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン技術センター内 Tokyo, 〒1870031, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 〒1048340, JP)
KAWAI Seiichiro (3-1-1 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
川合 誠一郎 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン技術センター内 Tokyo, 〒1870031, JP)
International Classes:
B29D30/72; B29C47/04; B60C11/24; B29K21/00
Attorney, Agent or Firm:
HONDA Ichiro (HONDA INTERNATIONAL PATENT & TRADEMARK OFFICE, 6th Floor Yusei Fukushi Kotohira Bldg., 14-1, Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
Claims: