Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1989-07-14
1991-01-15
Falik, Andrew M.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
D03D 4748
Patent
active
049846086
ABSTRACT:
A selvedge-forming device has a tuck-in needle having, at least in the end part introducible into the shed, a wedge shaped cross-section. The needle also has an elongate yarn entry aperture whose major dimension extends in the direction of the length of the end part of the needle. The end part also has an end face which leads in the direction of entry into the shed and which co-operates with the long side near the reed to form a tip pointing away from the shed apex. The needle can make pivoting movements out of the shed very close to the shed apex so that the weft yarn end is tucked in correspondingly close to the shed apex. Because of the elongate shape of the aperture the weft yarn end can be bent readily and can therefore be threaded into the aperture with a reduced blowing pressure of a threading nozzle.
REFERENCES:
patent: 4194457 (1980-03-01), Parsons
patent: 4552187 (1985-11-01), Bertsch et al.
Bertsch Gotthilf
Braum Josef
Falik Andrew M.
Sulzer Brothers Limited
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