Production device null of spiral covered yarn body and spiral covered yarn

摘要

PURPOSE: To provide a thread wound body excellent in reel-out property, hardly causing the damage to a lug section when it is packed and transported, easy to handle, and capable of easily discarding a bobbin. ;CONSTITUTION: A paper tube B is used for a bobbin, a thread is wound on it into a thread wound body, a base side end face P, is made flat, and a nose side end face P₂ is shaped into a tapered conical surface having a generating line tilted by 45-60° against the generating line of the paper tube B.;COPYRIGHT: (C)1995,JPO