Patent ID: 7886513

Claim:
A method of manufacturing composite yarn, in which the composite yarn is manufactured using a twister comprising a spindle provided on upper and lower ends thereof with a first inlet and a second inlet, respectively, a turntable integrated with the spindle and provided in one side thereof with an outlet communicating with the first inlet and the second inlet, a protective case which is supported on the spindle and whose top portion is open, and a yarn introduction pipe which rotatably supports a bobbin wound with paper tape and which guides paper tape unwound from the bobbin to the first inlet of the spindle, comprising the steps of: introducing the paper tape unwound from the bobbin into the first inlet of the spindle through the yarn introduction pipe; and introducing back warp yarn into the second inlet of the spindle, pulling out the back warp yarn through the outlet together with the paper tape introduced into the first inlet, and then rotating the spindle to double and twist the paper tape and the back warp yarn together.