| 摘要 |
PROBLEM TO BE SOLVED: To obtain a rubber yarn bundle good in processability without easily causing cracking or rupture nor readily separating or rupturing even when bundled. SOLUTION: This rubber yarn assembly is obtained by three-dimensionally connecting plural rubber yarns 2, 2 and 2 in the diametrical direction, composing the rubber yarn bundle 1 and defining a gap 3 among the respective rubber yarns 2, 2 and 2.
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