Method and apparatus for the production of core yarn

Details Method and apparatus for the production of core yarn Method and apparatus for the production of core yarn

1978-09-29

1981-03-03

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57 5889, 57224, D01H 113, D02G 336

Patent

active

042532973

ABSTRACT:
A method and apparatus for producing core yarn comprising introducing yarn constituting the core through a supply channel into a stationary spinning chamber, leading the yarn inside the chamber along a straight line to staple fibres rotating in a plane perpendicular to the axis of the chamber, joining and wrapping the core with the staple fibres and guiding the finished yarn out of the chamber to take-up rollers. The spinning chamber comprises two cylindrical chambers with different diameters adjoining one another and in the cylindrical chamber of greater diameters there are tangentially disposed air guide vanes, a channel for discharge of the finished yarn, and a channel for supplying the staple fibres. The outlet of the channel for supplying the staple fibres is disposed above the inlet of the channel for discharge of the finished yarn and above the air guide vanes. In a widening portion of the cylindrical chamber of smaller diameter the inlet of the channel for supplying the yarn is provided.

REFERENCES:
patent: 3445993 (1969-05-01), Vorisek
patent: 3577720 (1971-05-01), Zax et al.
patent: 3605395 (1971-09-01), Morikawa et al.
patent: 3851455 (1974-12-01), Jozwicki et al.
patent: 3994120 (1976-11-01), Radom et al.
patent: 4083173 (1978-04-01), Artzt et al.

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