Patent ID: 7887311
Filing Date: 2011-02-15
Classification: D01D

Abstract:
1. A spinneret configured to form a polymer fiber, comprising: a spinneret body defining a retaining void configured to retain one of a polymer solution and a polymer melt and defining a delivery void configured to deliver the one of the polymer solution and the polymer melt from the spinneret body; a cleaning unit disposed outside of the spinneret body, the cleaning unit configured to move adjacent an exterior surface of the spinneret body and to remove an at least partially solidified polymer from the exterior surface of the spinneret body; wherein the cleaning unit comprises a first portion having a shape corresponding to a shape of the exterior surface of the spinneret body and a second portion configured to guide movement of the cleaning unit and wherein the cleaning unit defines a cleaning void configured to receive a tip portion of a needle movably disposed in the spinneret body, the cleaning void configured to remove an at least partially solidified polymer from the needle.