PROBLEM TO BE SOLVED: To provide a production method and a production apparatus of hollow fiber membranes free from yarn rupture, yarn surface scratching, and surface abnormality due to melt fusion and excellent in stability by preventing melt fusion attributed to mutual contact of yarns in a dry part in production of a plurality of hollow fiber membranes by dry and wet type spinning.SOLUTION: In the method for producing a plurality of hollow fiber membranes by dry and wet type spinning, an in-liquid direction changing guide is installed in a solidification bath and a plurality of the hollow fiber membranes are fibrillated to respective yarns and moved between the liquid surface of the solidification bath and the above-mentioned in-liquid direction changing guide.COPYRIGHT: (C)2006,JPO&NCIPI【課題】乾湿式紡糸による複数本の中空糸膜製造において、乾式部における糸条同士の接触による融着を防ぎ、融着による糸切れ、糸表面のキズ、表面異常等をなくし安定性に優れた中空糸膜の製造方法、製造装置を提供する。【解決手段】複数本の中空糸膜を乾湿式紡糸法により製造する方法において、凝固浴中に液中方向変換ガイドを設置し、凝固浴液面と上記液中方向変換ガイドとの間で、複数本の中空糸膜を糸条毎に分繊させて走行させることを特徴とする中空糸膜の製造方法。【選択図】図1
