Mixed fibre web-sepd. in carding system - to form yarn with coloured slubs

摘要

A textile yarn has slubs inserted of a different colour to the remainder of the yarn. A web of fibres is processed in a carding system where the worker roller has an alternating movement towards and away from the cylinder. The fibre web contains a fibre mixt. of varying colour and fibre thickness. Method of producing coloured slubs does not involve complicated equipment, and there is no drop in yarn prodn. speeds.