Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum

Full Title

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 > Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum

Child Classifications

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• D01H 4/18 Friction drums, e.g. arrangement of suction holes
• D01H 4/20 Drum bearings; Arrangements for driving or stopping (control therefor D01H4/42)