Title:
DIE FOR PRODUCING TIRE
Document Type and Number:
WIPO Patent Application WO/2011/142342
Kind Code:
A1
Abstract:
A lower side mold (31) comprises a side wall forming surface (31a) for molding a side wall portion (TR2) of a tire (TR), and a projection forming portion (310) for forming a projection portion (TR4). The projection forming portion (310) defines a depressed area located more inward of the lower side mold (31) than the side wall forming surface (31a), and the projection forming portion (310) is provided at its bottom (311) with an air accumulation recess (312) which is further depressed from the bottom (311) toward the inside of the lower side mold (31). The capacity of the air accumulation recess (312) is smaller than the capacity of the projection forming portion (310).
Inventors:
KUROISHI, Kazuya (())
Application Number:
JP2011/060730
Publication Date:
November 17, 2011
Filing Date:
May 10, 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)
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)
International Classes:
B29C33/42; B29C33/02; B29C35/02; B29L30/00
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (Toranomon Kotohira Tower, 2-8, Toranomon 1-chome, Minato-ku, Tokyo 01, 〒1050001, JP)
Claims:
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