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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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