SPINNING NOZZLE OF HOLLOW YARN HAVING HIGH HOLLOW RATIO

摘要

PURPOSE: Provided is a spinning nozzle of a hollow yarn having high hollow ratio and regular cross-section. CONSTITUTION: The spinning nozzle is comprised of at least one slit. Projecting parts are formed on position been closed by both ends of the slit. The projecting parts are projecting shape in the inner direction and are communicated with the slit. Width(W) of the slit is 0.06-0.12mm. The projecting part is on 1-4times of distance(L) from both ends than the width(W) of the slit. Height(H) of the projecting part is 0.5-2times of the width(W).