50 is formed as an independent piece from the long tape 2 and a tape protrusion 29 projecting from the front edge 20 of the movable table 12 is formed at the same time the pressure conveying device 51 composing the conveying device 19 is designed to press the middle part of the folding portion 48 of the folded cut piece 50 toward the carrying table top surface 35 by the pressure member 52 as shown in fig1 and the folded cut piece 50 as an independent piece formed by cutting by the cutting device 17 is conveyed toward a sewing machine 53 a belt conveying device 55 forming a part of the conveying device 19 is formed as shown in fig1 and 5 by winding the conveying belt 59 forced to turn so that the lower running part 57 may run in the conveying direction of the pressure conveying device 51 in the abutting state against the lower surface of a presser foot 56 of the sewing machine 53 around the pulley 60 properly disposed on the peripheral portion of the front part of the sewing machine the front leading part 61 of the belt conveying device 55 is tiltable vertically about the end portion of the leading side of the presser foot 56 of the sewing machine by the rotary motion of the arm 63 between the state of the lower surface 62 of the belt 59 abutting against the conveying surface 9 and the state of being lifted apart from the conveying surface by lifting the front leading part 61 in a leading space 66 formed against the conveying surface 9 the edge portion 67 of.