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(11) | EP 0 350 450 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Polychromatic multifilament yarns |
(57) A method of simultaneously producing at least four continuous polychromatic multifilament
yarns consisting of at least four different homochromatic filament groups and comprising
at least about 60 continuous filaments by melt spinning from a plurality of spinnerets,
air quenching and stretching; the spinnerets are part of a single melt spinning unit
and are arranged in at least two mutually distanced vertical planes (P¹, P²); not
more than three different homochromatic groups of filaments of any yarn are extruded
from the spinnerets arranged in the same vertical plane. |