PROCESS OF DRAWING-OFF AUXILIARY YARN FROM AN AUXILIARY BOBBIN DISPOSED ON A SERVICING APPARATUS OF A ROTOR SPINNING MACHINE AND APPARATUS FOR MAKING THE SAME

To draw out an auxiliary yarn (2) from an auxiliary bobbin (3) at a mobile maintenance unit, on laying an empty bobbin sleeve at an open-end spinner and/or splicing with an empty sleeve, a braking force is applied to it at one point and an advance movement is imposed on it after the brake so that, d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KULHAVY JAROSLAV, SPINDLER ZDENEK
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES NATURAL OR ARTIFICIAL THREADS OR FIBRES PACKING PERFORMING OPERATIONS SPINNING SPINNING OR TWISTING STORING TEXTILES TRANSPORTING
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Beschreibung
Zusammenfassung:	To draw out an auxiliary yarn (2) from an auxiliary bobbin (3) at a mobile maintenance unit, on laying an empty bobbin sleeve at an open-end spinner and/or splicing with an empty sleeve, a braking force is applied to it at one point and an advance movement is imposed on it after the brake so that, during its movement, the yarn (2) is held at a sufficient and constant tension. Also claimed is a mobile maintenance unit with a mechanism switched into advance; the yarn (2) between the auxiliary bobbin (3) and the feed arm (7), acting in the yarn (2) path.