Jet apparatus for treatment of textile fibers

Claim 1

A JET FOR THE TREATMENT OF MULTIFILAMENT YARN, SAID YET BEING COMPRISED OF AN ELONGATED BODY MEMBER COUNTERBORED TO PROVIDE A GAS CONDUIT EXTENDING INWARDLY IN THE BODY MEMBER AND TO RECEIVE A PRESSURIZED GAS CONDUIT ON ONE END OF THE BODY MEMBER, THE OTHER END OF THE BODY MEMBER BEING CLOSED, A SINGLE CONTINUOUS INSERT OF A LENGTH AT LEAST EQUAL TO THE WIDTH OF THE BODY MEMBER EXTENDING ACROSS THE BODY MEMBER AND INCAPSULATED THEREIN, SAID INSERT BEING POSITIONED IN THE BODY MEMBER SO THAT THE CENTRAL PORTION OF SAID INSERT IS SURROUNDED BY THE GAS CONDUIT OF THE BODY MEMBER, SAID INSERT BEING PROVIDED WITH AT LEAST ONE OPENING LOCATED AT LEAST 1/4 L FROM THE END OF THE INSERT LENGTH WHERE L REPRESENTS THE INSERT LENGTH, THE AXIS OF WHICH INTERCEPTS AT SUBSTANTIALLY RIGHT ANGLES THE AXIS OF THE YARN PASSAGEWAY WHEREBY PRESSURIZED FLUID SUPPLIED TO THE BODY MEMBER MAY PASS THROUGH THE SIDE OF THE INSERT AND ACT UPON THE MULTIFILAMENT YARN PASSING THROUGH SAID INSERT IN A NON-TWISTING MANNER.