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(11) | EP 1 878 820 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Multiple-color weft inserting apparatus of fluid jet loom |
| (57) A multiple-color weft inserting apparatus (60,70) of a fluid jet loom includes at
least three weft supply lines (L), a weft-insertion controlling device (65,75). The
controlling device (65,75) performs grouping of weft supply lines (L), and performs
multiple-color weft insertion (60,70) in accordance with a predetermined weft-insertion
pattern using the weft supply lines (L) in the group and at least one remaining weft
supply line (L). The weft supply lines (L) in the group are where the weft of the
same type is set. In the case where the controlling device (65,75) executes the insertion
of the weft of the type corresponding to the group while the weft supply lines (L)
in the group successively operate by turns, when the weft supply sensor (3) of any
weft supply line (L) in the group detects a weft supply abnormality, the controlling
device (65,75) excludes the any weft supply line (L) and continues the insertion of
the weft of the type corresponding to the group using the other weft supply line or
lines (L) in the group.
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