121897 ⎘
Spinning or twisting machines in which the product is wound-up continuously; Details; Driving or stopping arrangements for complete machines with two or more speeds; with variable-speed arrangements, e.g. variation of machine speed according to growing bobbin diameter
Spinning apparatus, air spinning apparatus in particular, with continuous adjustment of a yarn accumulation system and related method of continuous adjustment of a yarn accumulation system in a spinning apparatus
#2Thread twist system for twisting and spinning machines
#3Variable twist level yarn using fluid twisting