ClassID:

121940

D01H4/34 - CPC Classification

Classification description:

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; Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using air-jet streams

Recent Application in this class: