Patent ID: 7018188
Filing Date: 2006-03-28
Classification: D01D,D01F

Abstract:
1. An apparatus for forming fibers, comprising: a die assembly including a fiber material supply cavity for receiving material to be formed into fibers and an attenuation medium inlet; a spinnerette assembly including a plurality of nozzles, one or more attenuation medium passages, and a discharge opening, the nozzles disposed in the spinnerette assembly such that at least some of the nozzles are in fluid communication with the fiber material supply cavity, the one or more attenuation medium passage having a minimum cross-sectional area; and a cover plate disposed adjacent at least a portion of the spinneret assembly, the cover plate having therein a cover plate opening into which one or more of the nozzles may extend, the cover plate opening having a limiting cross-sectional area; wherein the minimum cross-sectional area of the one or more attenuation medium passages is greater than the limiting cross-sectional area of the cover plate opening.