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le dispositif de déphasage comporte de préférence des moyens pour décaler angulairement la poulie folle et la poule de renvoi.
the phase displacement device preferably includes means to change the angular position of the rotatable pulley relative to the reverse pulley. the means to advantageously change the angular position of the two pulleys includes two contacts integral with the reverse pulley engaged in two helical grooves of a shaft and two contacts integral with the rotatable pulley engaged in two longitudinal grooves of said shaft, as well as a member designed to move said shaft axially.
le fil fourni par le rouleau d'alimentation passe sur quelque 180 ° d'une poulie folle avant de pénétrer dans la machine textile.
the yarn delivered by the feed roller is wound through approximately 180 ° onto an idle pulley before it is fed to the textile machine.