Air jet for yarn entanglement

Details Air jet for yarn entanglement Air jet for yarn entanglement

1979-03-26

1980-02-19

Mackey, Robert

Textiles: manufacturing

Thread finishing

Surface modification of running length

D02G 116

Patent

active

041886925

ABSTRACT:
Yarn is treated in air entangelemnt jet having a main passageway in which one or more multifilament yarns are entangled, a second passageway which intercepts the bottom of the main passageway at an acute angle and slants downward therefrom in the upstream direction and an air inlet which intercepts the bottom of the main passageway so that its axis intersects the axis of the main passageway at an angle of about 86.degree.-88.5.degree. with the point of intersection being not more than 0.20 inches from the downstream end of the main passageway. The air inlet duct slants downward from the main passageway in the downstream direction. A lip is provided which begins at or close to the bottom of the downstream end of the main passageway and extends in the downstream direction. A jet of air is introduced into the main passageway through the air inlet duct and strikes the upper wall thereof forming a plural vortex turbulent zone which entalges the yarns. During operation the yarn is fed into the air jet at a small degree of overfeed.

REFERENCES:
patent: 3473315 (1969-10-01), LaNoir
patent: 3845528 (1974-11-01), Vermeer et al.
patent: 3978558 (1976-09-01), Pike
patent: 3983609 (1976-10-01), Pike

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