Method and apparatus for manufacturing of yarn

Details Method and apparatus for manufacturing of yarn Method and apparatus for manufacturing of yarn

1977-03-03

1978-02-14

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57160, D01H 112

Patent

active

040731286

ABSTRACT:
The method and apparatus for manufacture of yarn from natural- and synthetic fibres, using a pneumatic spinning technique. The method according to the present invention is directed to fibres entrained in an air jet stream introduced into the non-rotational spinning chamber containing the fibres. The air jets having been whirled into the chamber by a system of nozzles and some portion of the air jet, in which the fibres are entrained, becomes separated inside the chamber and directed to the whirl cone zone to reduce the flow rate within this whirl core. The apparatus for carrying out the method of the invention consists of a cylindrical, non-rotational spinning chamber having a cylindrical insert disposed therein at one end and peripheral air supply ducts, as well as a fibre delivery channel at the other end. The insert at the side of a yarn discharge channel inlet, incorporates the peripheral ports provided with inlet means located between the channel and the ducts.

REFERENCES:
patent: 3577720 (1971-05-01), Zax et al.
patent: 3851455 (1974-12-01), Jozwicki et al.
patent: 3898787 (1975-08-01), Wehling et al.
patent: 3994120 (1976-11-01), Radom et al.

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