Bayer Aktiengesellschaft

Hans Lenz

Edgar Muschelknautz

Heiko Herold

Ulrich Reinehr

Alfred Nogaj

Kurt Bernklau

Gunter Blankenstein

Lutz Georgias

A false-twisting arrangement for synthetic yarns consisting of a rotating body and yarn guides, distinguished by the fact that the yarn is pressed onto the rotating body by a jet of gas or liquid and is thereby twisted, the yarn being pressed onto the rotating body under a substantially constant force.

False-twisting arrangement for synthetic yarns

The invention relates to a process for the continuous uniform and penetrative dyeing with high fastnesses of slivers or filaments of acrylonitrile polymers which have been produced by a standard wet-spinning process wherein the slivers or filaments prior to dyeing are subjected to a combined washing, pressing and drying pretreatment.

Process for continuously dyeing filaments of slivers of wet-spun

This invention relates to an apparatus for false twisting synthetic filament yarns, which apparatus is in the form of an air rotated nozzle having tangential inlet bores and two central outlet bores. The twisting chamber is set at an angle of 2.degree. to 40.degree. to the draw-off direction of the filament. The special advantage of this apparatus according to the invention is that it ensures smooth movement of the filament outside the twisting chamber.

Apparatus for false-twisting synthetic filament yarns

Growing community of inventors

Dormagen-Hackenbroich, Germany

Hans Lenz