Abstract: The device has a guide unit (1) enclosing a through hole with a conical inlet section (2). A needle unit (3) encloses a through yarn passage (4) arranged coaxially with the hole in the guide unit (1). One end of the needle unit (3) extends into the conical inlet section (2) and has a conical peripheral area (5) which, with the wall of the inlet section (2), forms a slot (6) for a blowing agent. The blowing agent is fed through a drilling (17) opening into the annular space (18) surrounding the needle unit (3) are pressed together by an elastic load, e.g. springs (11, 12). This arrangement accurately fixes the axial position of the guide unit (1) in relation to the needle unit (3), while the width of the slot (6) is accurately predetermined and unchangeable.

Abstract: A texturing device consists of nozzle (1) with a guide duct (2) and a radial bore for feeding a pressure medium terminating in the guide duct. The duct is outwardly flared with a convexly curved outlet opening (2'), and a spherical or semispherical guide element (5) extending into the outlet opening and forming therewith an annular gap (4). The outer diameter of the outlet opening (2') corresponds to at least four times the diameter of the duct (2) and to at least 0.5 times the diameter of the guide element (5).

Abstract: Textile yarn is led through the front face of a die 11, which is located on a moistening device 8, before being fed to the texturing jet 15. The die is fed from a pipe 7 leading from a moisture tank 1 and has an outlet aperture on its front face at the termination of an internal bore. The quantity of fluid fed to the tank 1 is so adjusted by means of a flow regulator 5, that a fluid level h is maintained in the tank, which corresponds to a throughput of fluid through the bore of the die 11 which is matched to the titre and the rate of flow of the yarn.