A mixer (4) to make a noodle dough by mixing the noodle strip material obtained by mixing raw material powder and water or liquid seasoning, by further vacuum pump the noodle dough issued extruded from the mixer (12) - 0.06MPa~-0.095MPa pressed from a dough push port of the nozzle connected to the outlet of the mixer while venting the gas component at a pressure of (gauge pressure) (6) (6a), noodle outlet of the nozzle in the noodle strip by extruding from (6b) (14) extrusion noodle making machine for producing a (2), the cross-sectional shape of the subsequent cloth passage from the cloth push port of the nozzle to the noodle strip outlet, the fabric push opening from a predetermined position in until the dough sheet outlet, the lateral direction of the width in the longitudinal direction in the vicinity of the center portion of the cross section is smaller than that in the lateral direction of the width between both ends in the longitudinal direction.原料粉体と水又は調味液を混合した麺帯原料を混合して麺生地を作るミキサー(4)と、前記ミキサーから押出し出された前記麺生地を更に真空ポンプ(12)により-0.06MPa~-0.095MPa(ゲージ圧)の圧力で気体分を抜きながら前記ミキサーの吐出口に接続されたノズル(6)の生地押し込み口(6a)から圧入し、前記ノズルの麺帯出口(6b)から押出すことにより麺帯(14)を製造する押出し製麺機(2)において、前記ノズルの前記生地押し込み口から前記麺帯出口まで続く生地通路の断面形状は、前記生地押し込み口から前記麺帯出口までの間の所定位置で、前記断面形状の長手方向の中央部付近における短手方向の幅が長手方向における両端部の短手方向の幅に比べ小さい。
