Abstract: This invention comprises a yarn threading apparatus for a draw texturing machine for enabling yarn threading through yarn guides to be easily carried out with respect to a non-contact type heater positioned horizontally in the upper part of the machine, with a twist exerting apparatus comprising a nozzle part for supplying compressed air for transporting such yarn through a guide pipe which guides the transported yarn to the entrance of the heater and retractable guides in said heater retractable when the yarn is being threaded and insertable after the yarn is threaded for receiving a guide such threaded yarn.

Abstract: A device for cutting fed yarns at a suitable position in quick response to the breakage of the yarn when a plurality of yarns are arranged and twisted together in a twisting frame. A first cutter which is operated by a detecting device and cuts the yarn on the yarn feeding side and a second cutter which is operated by the detecting device and cuts the yarn on the yarn taking out side of the twisting frame.