BOBBIN FOR HEAVY SPANDEX YARN HAVING IMPROVED AUTO-CUTTING PROPERTY

摘要

PURPOSE: A bobbin for high denier spandex yarn is provided to easily cut the spandex yarn by inserting the spandex yarn into a multistep notch and uniformly keeping the tension of the spandex yarn. CONSTITUTION: In a bobbin(100) for winding spandex yarn, a multistep notch is formed at the center of the bobbin and tapers away. The multistep notch is composed of an X-part(10), a Y-part(20), and a Z-part(30), which are different from each other in width and depth. The bobbin is coated with urethane or cellulose.