The application of a pressurized-air method to the manufacture of fancy yarns on standard rotor-spinning machines is reported. The experiments reported in this paper were performed at rotor speeds of up to 70 000 r/min. The quality of the different effects arrived at depends on the rotor speed and rotor diameter as well as the air pressure. A simple unit using only continuous blowing is described.
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J. Kwasniak (1997) studied this question.
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