发明名称 RUBBER STRIP FOR TIRE, CUTTING DEVICE FOR RUBBER STRIP, AND MANUFACTURING METHOD FOR PNEUMATIC TIRE USING RUBBER STRIP
摘要 PROBLEM TO BE SOLVED: To provide a rubber strip for a tire that can improve uniformity and appearance of the tire, a cutting device for a rubber strip and a manufacturing method for a pneumatic tire using the rubber strip.SOLUTION: A belt-like rubber strip 1 is wound spirally around a rotating shaft of a tire in order to manufacture a pneumatic tire. An edge of a first end part 2 which terminates when the strip is wound includes an internal corner edge 3 formed in an approximately V-shape in a planar view. An innermost top 4 of the internal corner edge 3 is positioned at a distance a in a width direction from one side edge in a width direction of the rubber strip. The distance a is larger than 0% and less than 50% of the width of the rubber strip.SELECTED DRAWING: Figure 2
申请公布号 JP2016210092(A) 申请公布日期 2016.12.15
申请号 JP20150095954 申请日期 2015.05.08
申请人 SUMITOMO RUBBER IND LTD 发明人 SASAKI MASAMI;KIKUCHI KOJI;WATANABE KIYOSHI
分类号 B29D30/06;B29D30/16 主分类号 B29D30/06
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