Apparatus for monitoring and restarting the cut yarn during the replacement of full bobbins on the spindles of a continuous spinning machine
AssigneeSociete Anonyme des Ateliers Houget Duesberg Bosson
InventorPierre Lousberg
Life of this patent
Estimating the term…
Abstract
In spinning machine comprising an underwinding device for winding the last turns, means are provided whereby the last yarn turns are cut positively on the intervention of the underwinding device and means are provided whereby the yarn end originating from the traveller is positively retained by the device to allow starting of the next winding operation at reduced speed, and this end is then released as soon as the spindle assumes its normal operating speed.
Claims5
In a continuous spinning machine, an apparatus for monitoring and restarting a cut yarn when a full bobbin is replaced by an empty tube comprising an underwinding device for winding the last yarn turns on the full bobbin and around said device with the aid of a traveller, said underwinding device comprising an inner ring and an outer ring, the outer ring being slidable on the inner ring, each ring being provided with at least one knife blade, said blades being arranged vertically in such manner whereby upon sliding of said outer ring upon said inner ring said blades can bome into contact with said last yarn wound around said underwinding device and cut them, and means for positively retaining the yarn end origniating from the traveller to allow starting of the next winding operation.
Dependencies are inferred from the claim text.