| 摘要 |
PROBLEM TO BE SOLVED: To provide a yarn end capture ring of an automatic tube replacement winder that securely catches yarn at the time of paper tube replacement and can smoothly and stably implement automatic pipe replacement by securely maintaining the capture state. SOLUTION: The yarn end capture ring (110) is equipped with a paper tube fitting part (112) that is fitted to a paper tube end part and holds a paper tube (20), and a flange part (113). The flange part (113) has a paper tube end face-contact region that comes in face-contact with a paper tube end face at the time of fitting of the paper tube (20), and a yarn introducing notch groove (114) that introduces and guides a winding start yarn end of the yarn winding body into the main body of the flange. An opening end on the paper tube fitting side of the yarn introducing notch groove (114) is arranged in the vicinity of a boundary part between the fitting part (112) and a paper tube abutting face of the flange part (113), and sandwiches yarn (Y) in the entire paper tube end face in the radial direction, in a region where the paper tube end face abuts on the inner face of the flange part (113). Therefore, the holding force is large, and not only failure of capture of the yarn (Y) but also detachment of the sandwiched yarn (Y) from the ring are prevented. COPYRIGHT: (C)2004,JPO&NCIPI
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