False-twist textured yarn of polyamide and method and apparatus

False-twist texturing method

False-twist texturing process

False-twist texturing process with hollow friction twist tubes

False-twist texturing yarn of polyester filaments having multilo

False-twist yarn and process

False-twist-textured synthetic polymer filament yarn

False-twisting apparatus for producing crimps in filament yarns

False-twisting arrangement for synthetic yarns

False-twisting equipment

False-twisting method and apparatus for producing crimped filame

False-twisting nozzle for pneumatic false-twist spinning

False-twisting process for producing intertwined yarn of comfort

False-twisting system

False-twisting system

Fasciated yarn

Fasciated yarn structure made by vacuum spinning

Feed arrangement for an open-end friction spinning machine

Feed device for open-end spinning assembly

Feed roller for feeding fibers to a combing roller in an open en