PURPOSE: To remove hindrance liable to cause pain of hand and inflammation of a tendon and its sheath and also eliminate shortage of man power and make it possible to continuously treat by mechanizing operation for pulling pulling-out weft arranged on the rear side of both-side pile fabric by double cloth structure.

CONSTITUTION: One-side selvage part on rear side of gray fabric 1 of both-side pile fabric by double cloth structure is fixed with pins 4 and 5 from the upper part and both selvage part is fixed with pins 4 and 5 from the lower part and fine and long hollow part 7 is provided on a table 3 of one-side selvage parts to make it easy to pick up weft 2 for pulling and a number of conical screw roll capable of carrying out rotation, provided with giddier 8 and having different diameters are provided between selvages of gray fabric 1 of woven fabric while successively sliding these rolls by pulling-out width and simultaneously weft is pulled out by rotating these rolls to the side opposite to pulling direction to pull weft and both-side pile woven fabric gray fabric is tuned so as to continuously move to length for pulling and the pulled weft is cut with a cutter on both selvage sides immediately after the gray fabric passes through these screw rolls 9.