Patent ID: 6679044
Filing Date: 2004-01-20
Classification: D01H

Abstract:
A pneumatic spinning apparatus for producing a spun yarn from fibers supplied thereto, said spinning apparatus comprising:a nozzle block defining a hollow room therein; a spindle having an inlet end disposed within said hollow room; at least one jet nozzle disposed for generating a rotating air stream within said hollow room; a fiber guide member disposed opposite from said spindle, said fiber guide member having a shape so as to act as a false core for fibers within said rotating air stream that are conveyed into said spindle; a fiber guide duct defined within said nozzle block through which fibers are conveyed to said fiber guide member and said spindle, said guide duct merging into said hollow room; wherein said fiber guide duct comprises a variable cross-section along the length thereof; and wherein said fiber guide duct comprises a surface along which fibers are guided therethrough, said surface merging into said fiber guide member.