Textiles: spinning – twisting – and twining – Apparatus and processes – With fluid jet
Reexamination Certificate
2007-10-16
2007-10-16
Hurley, Shaun R. (Department: 3765)
Textiles: spinning, twisting, and twining
Apparatus and processes
With fluid jet
C057S304000
Reexamination Certificate
active
10548812
ABSTRACT:
An arrangement for producing a spun thread from a staple sliver including a drafting unit and an air jet aggregate arranged downstream thereof. A vortex chamber with an air evacuation channel is located in the air jet aggregate. A cleaning channel is arranged to the delivery roller pair of the drafting unit, which cleaning channel is connected, together with the air evacuation channel to a joint vacuum source. The cleaning channel runs preferably into the air evacuation channel in the inside of the air jet aggregate. The cleaning channel is preferably aligned against the pressure roller of the delivery roller pair. Further suction openings can be additionally arranged to the bottom rollers of the drafting unit, which suction openings are also connected to the joint vacuum source.
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Crowell & Moring LLP
Hurley Shaun R.
Maschinenfabrik Rieter AG
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