Weft threading system for fluid jet loom using the storage drum

Details Weft threading system for fluid jet loom using the storage drum Weft threading system for fluid jet loom using the storage drum

1989-06-01

1990-11-13

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

1394351, 139452, 1391162, D03D 4734

Patent

active

049694898

ABSTRACT:
A weft threading system for threading a weft yarn prior to restart of weaving operations of a fluid jet loom. The weft threading system is comprised of a weft winding arm forming part of a weft storage unit, arranged to wind the weft yarn on a drum under relative rotation between the weft winding arm and the drum. The weft winding arm is pipe-shaped so that an air jet is passed therethrough and ejected from its tip end section. The tip end section of the weft winding arm is bent so that the air jet ejected therefrom is directed to a weft guide disposed separate from the weft storage unit and on the upstream side of a weft inserting or main nozzle. The weft guide ejects an air jet in order to suck the weft yarn and project it therefrom, so that the weft yarn from the weft winding arm is automatically passed through the weft guide into the weft inserting nozzle.

REFERENCES:
patent: Re30318 (1980-07-01), Klinecky et al.
patent: 4002190 (1977-01-01), Sevcink et al.
patent: 4378821 (1983-05-01), Umezawa
patent: 4766937 (1988-08-01), Kojima et al.

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