| 摘要 |
PURPOSE:To confirm a setting error at a point of time of outserting of a sewing-on part over a positioning projected piece, by a method wherein after one end side of the removed positioning projected piece is inserted into a sewing-on part of a sheet cover to be arranged on a molding surface, the sheet cover is arranged on a molding surface of a bottom part and the other end side of the positioning projected piece is inserted into a fitting groove. CONSTITUTION:A projected piece uniting body 8 is arranged on the outside of a sewn sheet cover 16, the upside of a positioning projected piece 9 is inserted into sewing-on parts 17 each of the sheet cover 16, an outer circumferential part 18 of the sheet cover 16 is put on a supporting frame 10 and a form of the sheet cover 16 is held. Then the sheet cover 16 to which the projected piece uniting body 8 is fitted is arranged on a bottom part 2, the lower side of the positioning projected piece 9 is inserted into a fitting groove 5 of a molding surface 4, the supporting frame 10 is inserted into a fitting groove 6 of a recessed part 3 and the sheet cover 16 is positioned and fixed to the recessed part 3 of the bottom part 2. |
