发明名称 TIRE MOLD AND TIRE MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a tire mold 48 which can be fabricated at a low cost and make a tire whose lopsided wear is inhibited. SOLUTION: This tire mold 48 is equipped with a tread ring 50 having a cavity surface 78 with which a part corresponding with a tread of a green tire comes into contact. In addition, the tread ring 50 is configured of a top ring 66 and a bottom ring 68, and the top ring 66 has an upper contact part 72 which comes into contact with the bottom ring 68. The upper contact part 72 is equipped with many protuberant strips 104 extending in a radial direction. The bottom ring 68 is equipped with a lower contact part 76 which comes into contact with the top ring 66. The lower contact part 76 is equipped with many protuberant strips 112 extending in a radial direction. The protuberant strips 104 of the upper contact part 72 and the protuberant strips 112 of the lower contact part 76 are arranged alternately in the circumference. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009051116(A) 申请公布日期 2009.03.12
申请号 JP20070220908 申请日期 2007.08.28
申请人 SUMITOMO RUBBER IND LTD 发明人 YASUDA SHIGENAO
分类号 B29C33/02;B29C35/02;B29L30/00 主分类号 B29C33/02
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