Needle loom with automatic change of the weft thread

Textiles: weaving – Weft manipulation – Weaving with stationary weft supply

Reexamination Certificate

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Details

C139S429000, C139S440000, C139S441000, C139S442000, C139S011000, C139S116100, C066S081000, C066S204000, C066S08200S

Reexamination Certificate

active

07441567

ABSTRACT:
A needle loom is provided with a bearing structure (2), one textile-product (P) forming head (3) installed on the bearing structure (2), two heddle frames (6) capable of intercepting a plurality of warp threads (O), one sickle (9) to bring the two weft threads (T) transversely between the warp threads (O), two movable guides (11) each of which is adapted to intercept one of the weft threads (T), actuators (13) to shift the movable guides (11) and change the weft threads (T) carried by the sickle (9), one needle (18) to temporarily retain at least one of the two weft threads (T) carried by the sickle (9), and a reed (20) to compact the weft threads (T) against the already formed textile product (P). Two electric motors (21), each of which is connected to a respective guide (11) actively move the respective guide (11) in a first way (X) or in a second way (Y) along the predetermined direction (D), upon command of the respective motor (21).

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