DRAWING FRAME-ROVING FRAME COMBINATION FOR THE PRODUCTION OF ROVE BY MEANS OF A PNEUMATIC SPINNING PROCESS

摘要

A drawing frame-slubbing machine combination for manufacturing a roving yarn from a fiber assembly is disclosed. The drawing frame-slubbing machine combination includes a drawing frame for doubling and stretching a fiber assembly into a drafter sliver and a slubbing machine with a twist application component configured to apply a true twist to the drafter sliver by one or more air flows.