| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide technique which can evaluate binding strength of spun yarn with high reliability. Ž<P>SOLUTION: The rolling testing device 1 includes a yarn-hooking body 2 having a curved yarn contact surface, a clamp 3 which fixes one side of a bundle spun yarn Y having the yarn hooked on the yarn-hooking body 2, a tension giving member 4 for giving tension to the bundle spun yarn Y during the rolling test. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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