(57) Method and device (10) to prepare a support (14) such as a cone, a spool or a bobbin
for mixed yarns to be sent to subsequent treatments such as twisting, warping, weaving
and knitting. The support (14) is formed by a succession of threads (16a-16f) different
from each other in color, count, physical-mechanical characteristics, composition
or nature. The device (10) comprises a plurality of feed cones (12a-12f) that feed
the threads (16a-16f), a collection assembly (32) for the support (14), an electronic
device (23) to calculate the meters wound on the support (14), a command and control
unit which dialogs with the electronic device (23) and determines the moment for the
change of thread (16a-16f) being fed to the support (14), a joining device (21) to
join the end of one thread (16a-16f) entering and the end of one thread (16a-16f)
exiting, and an introduction device (17) to feed the threads (16a-16f) that it feeds
one at a time in sequence to the collection assembly (32).
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