SPINNING NOZZLE FOR PRODUCING NANOFIBROUS AND MICROFIBROUS MATERIALS COMPOSED OF FIBRES HAVING A COAXIAL STRUCTURE

摘要

Spinning nozzle for production of nanofibrous and microfibrous materials comprises: a first plate (1) provided with at least one continuous groove (2) for directing a first material to an outlet mouth portion (3) of the continuous groove (2) in a face (4) of the first plate (1); a second plate (5) provided with at least one continuous groove (6) for directing a second material to an outlet mouth portion (7) of the continuous groove (6) of the second plate (5), the outlet mouth portion (7) being arranged adjacent to the outlet mouth portion (3) of the first plate (1); and a separating plate (8) arranged between the first plate (1) and the second plate (5) for separating the continuous grooves (2) of the first plate (1) from the continuous grooves (6) of the second plate (5), while the face (9) of the separating plate (8) forms with the face (4) of the first plate (1) and/or the face (10) of the second plate (5) a continuous surface in the region of the outlet mouth portions (3; 7) of the continuous grooves (2; 6).