Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1977-11-09
1981-12-29
Mackey, Robert
Textiles: manufacturing
Thread finishing
Surface modification of running length
57333, D02G 116
Patent
active
043074979
ABSTRACT:
A method is disclosed for the treatment of textile yarns of filamentary material, such as glass fiber yarns. The yarn passes through a fluid jet which includes a central chamber which is formed from a pair of interconnected and overlapping passageways. Each passageway includes one or more fluid inlets along its length to allow treating fluid to pass circumferentially around each passageway in a counterdirectional pattern. The textile yarn passes between the passageways in the chamber and the filaments in the yarn are entangled with each other to consolidate and round the yarn without a true or false twist being placed on the yarn. Depending upon the amount of tension in the yarn, the fluid pressure in the jet and the speed of the yarn through the jet, the degree of entanglement can be varied. Under low to zero tensions, texturized yarns and yarns having slubs thereon can be produced.
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patent: 3262179 (1966-07-01), Sparling
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patent: 4003111 (1977-01-01), Drummond
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Leipold Paul A.
Mackey Robert
McDonald Alan T.
PPG Industries Inc.
Stachel Kenneth J.
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