| 摘要 |
PROBLEM TO BE SOLVED: To provide an elastic yarn supply device further surely suppressing a quality failure of a product caused by unevenness of an enlargement magnification, in the case of supplying elastic yarn pulled out by over-end unreeling to a processing line.SOLUTION: An elastic yarn supply device 100 includes: a tension controller 130 controlling a stress to act on elastic yarn TH pulled out from an elastic yarn package P; and a drive roller 140 supplying the elastic yarn TH pulled out from the tension controller 130 to a processing line 30. The drive roller 140 is operated at a supply speed v2 slower than a transportation speed v1 of a web W, and the supply speed v2 is increased/decreased according to the increase/decrease of the transportation speed v1. |
