| 摘要 |
PROBLEM TO BE SOLVED: To produce a nozzle spinneret capable of joining a nozzle piece to a spinneret body with a high positional accuracy, excellent in durability and useful for spinning, etc., of synthetic fibers by bringing the spinneret body into pressure contact with a nozzle piece wall on the other side of the nozzle piece and fixing the other side of the nozzle piece thereto. SOLUTION: A nozzle piece 3 arranged in a hole 2 and a spinneret body 1 are partially brazed on the side of one end of the nozzle piece 3 and the spinneret body 1 is then brought into pressure contact with a nozzle piece wall on the side of the other end of the nozzle piece 3 to fix the side of the other end of the nozzle piece 3 thereto and produce a nozzle spinneret when arranging the nozzle piece 3 in a hole 2 formed in the spinneret body 1, joining the nozzle piece 3 to the spinneret body 1 and producing the nozzle spinneret. Furthermore, the brazing on the side of the one end of the nozzle piece 3 is preferably carried out at 1-5 mm width in the axial direction of the nozzle piece 3.
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