Method for producing an interlaced multifilament yarn

Details Method for producing an interlaced multifilament yarn Method for producing an interlaced multifilament yarn

1982-04-26

1985-12-10

Mackey, Robert R.

Textiles: manufacturing

Thread finishing

Surface modification of running length

D02G 120, D02G 116, D02J 108, D02J 116

Patent

active

045570264

ABSTRACT:
Method for producing an interlaced multifilament yarn by rubbing and scratching a material multifilament yarn with a rotary rough surface member and with such intensity that individual filaments constituting the filament yarn are not substantially broken, the rotary surface member having projections which are smaller than the cross-sectional diameter of the individual filaments of the material yarn; diffusing a jetted fluid which is jetted in the yarn running direction along a predetermined yarn passage from a jetting aperture of a supply conduit through a nozzle formed with a rectifying and diffusing portion having a substantially uniform cross-section, and impinging the diffused jetted fluid against the running material multifilament yarn so that the individual filaments of the multifilament yarn mostly vibrate in a direction substantially parallel to a plane defined by the yarn running direction and the fluid jetting direction, the vibration taking place in a section of the yarn passage facing the rectifying and diffusing portion.

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