US 7,392,648 B2
	Rotor Spinning machine
Iris Biermann, Mönchengladbach (Germany); Christoph Haase, Viersen (Germany); Karl Kamps, Mönchengladbach (Germany); Lorenz Kreitzen, Rheinberg (Germany); and Ralf Siewert, Schwalmtal (Germany)
Assigned to Oerlikon Textile GmbH & Co. KG, Monchengladbach (Germany)
Appl. No. 10/575,567 PCT Filed Oct. 18, 2004, PCT No. PCT/EP2004/011722 § 371(c)(1), (2), (4) Date Apr. 11, 2006, PCT Pub. No. WO2005/035843, PCT Pub. Date Apr. 21, 2005.
Claims priority of application No. 103 48 709 (DE), filed on Oct. 16, 2003.
Prior Publication US 2007/0130906 A1, Jun. 14, 2007
Int. Cl. D01H 13/32 (2006.01)

U.S. Cl. 57—264  [700/139]

5 Claims

1. Rotor spinning machine with a plurality of spinning stations, each of which comprises an opening roller and a draw-in roller for supplying sliver to the opening roller and each of which is equipped with a control devices for an individual drive of the draw-in roller, characterized in that each control device (38) has a connection mechanism (39), to which an additional control card (40) can be attached for producing effect or novelty yarn with predetermined effects, the control card comprising a processor, which meets the elevated computing power requirements for producing effect or novelty yarn and can be activated via a data bus system (41).