D01H4/04 - CPC Classification

Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface

• D01H4/06 » co-operating with suction means 1
• D01H4/08 » Rotor spinning, i.e. the running surface being provided by a rotor 11
• D01H4/16 » Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum 6
• D01H4/22 » Cleaning of running surfaces 2

Recent Application in this class: