Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1979-04-25
1980-12-23
Mackey, Robert
Textiles: manufacturing
Thread finishing
Surface modification of running length
28275, D02G 116
Patent
active
042401887
ABSTRACT:
A process and a device for interlacing multifilament yarns includes forwang the yarn through an interlacing zone, to which an interlacing air jet is also conveyed through a nozzle, in a non-rectilinear trajectory which is essentially planar and symmetrical with respect to the jet axis, and under tension. The resultant of the tension forces have a line of application which ideally coincides with the jet axis and a direction opposite to that of the jet. The jet is so directed as to contact the yarn in a zone about the point of application of the resultant force. The nozzle includes an orifice located at the vertex of a convex surface directed towards the yarn trajectory, and means for guiding the yarn near the nozzle and for limiting the freedom of motion of the yarn.
REFERENCES:
patent: 3220082 (1965-11-01), Fletcher et al.
patent: 3379002 (1968-04-01), Rosenstein
patent: 3417445 (1968-12-01), Gemeinhardt et al.
patent: 3574249 (1971-04-01), Cannon
patent: 3971108 (1976-07-01), Gorrafa
Mackey Robert
SNIA VISCOSA Societa Nazionale Industria Applicazioni Viscosa S.
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