Yarn handling apparatus

Claim 1

AN AIMPROVED YARN-HANDLING DEVICE COMPRISING IN COMBINATION AN AIR INLET TUBE, AN AIR AND YARN OUTLET TUBE, A PASSAGEWAY CONNECTING THE INLET AND AIR AND YARN OUTLET TUBES, THE OUTLET TUBE PROVIDED BETWEEN ITS ENDS WITH AN ELONGATED SECTION OF SUBSTANTIALLY CONSTANT CROSSSECTIONAL AREA, A YARN INTLET TUBE MOUNTED IN COOPERATIVE ASSOCIATION WITH THE INLET END OF SAID OUTLET TUBE TO FROM AN ANNULAR ORIFICE, THE OUTLET END OF SAID YARN INLET TUBE AND THE INLET END OF SAID OUTLET TUBE SO CONSTRUCTED AND ARRANGED TO FORM A COVERGING-DIVERGING NOZZLE ARRANGEMENT, A CONDUIT MEMBER CONNECTING THE AIR INLET TUBE TO A SOURCE OF HIGH PRESSURE AIR, THE CONVERGINGDIVERGING NOZZLE ARRANGEMENT, THE ELONGATED SECTION OF THE OUTLET TUBE, AND THE PRESSURE OF THE HIGH PRESSURE AIR COOPERATING TO ESTABLISH AND MAINTAIN SUBSTANTIALLY UNDIMINISHED HIGH VELOCITY AIR FLOW CONDITIONS IN THE NOZZLE ARRANGEMENT AND ALONG THE SAID SECTION IN ORDER TO APPLY A HIGH TENSION TO A YARN LINE PASSING THERETHROUGH, A GUIDE MEANS POSITIONED ADJACENT THE INLET END OF SAID YARN INLET TUBE FOR GUIDING AND POSITIONING A RUNNING YARN LINE IN THE VICINITY OF SAID YARN INLET TUBE INLET END, AND A YARN LINE MANIPULATING UNIT POSITIONED IN COOPERATIVE ASSOCIATION WITH SAID GUIDE MEANS, SAID UNIT INCLUDING MOVABLE PARTS FOR RAPIDLY ENGAGING THE YARN LINE PASSING THROUGH THE GUIDE MEANS, FOR MOVING A PORTION OF THE YARN LINE INTO A BEYOND THE ANNULAR ORIFICE TO A POINT WHERE THE MOVING AIR STREAM EXERTS A STRONG TENSION ON THE YARNS, AND FOR CAUSING THE YARN LINE TO BE SERVED.