Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1976-05-27
1978-02-21
Jaudon, Henry S.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
D03D 4730
Patent
active
040747271
ABSTRACT:
A liquid supply system and a nozzle construction for a jet weaving loom. The nozzle is supplied directly from a public water works at the normal pressure of said water works. The exact amount of water required to propel the weft yarn across the open harness shed of the loom is obtained by a solenoid valve series-connected to the water supply adjacent the nozzle and controlled by an electric pulsator which is adjustable to open the valve for the required time in accordance with the width of the weaving and the type of weft yarn. Synchronization of the operation of the nozzle with the harness motion is obtained by a switch controlling the pulsator and directly operated by a cam connected to a shaft of the main movement of the weaving loom. The nozzle structure comprises only two parts: namely, a bored body having a main cylindrical bore portion followed by a tapered frusto-conical bore portion, in turn followed by a cylindrical terminal outlet bore portion and a needle axially adjustable within the body bore, defining an annular space with the latter and having a slightly tapered terminal end fitted within the outlet bore portion of the body. The needle has an axial passage for the yarn. The water is admitted laterally within the body directly into the annular space. The nozzle is able to propel the yarn at a considerable distance with a minimum quantity of liquid and at a low liquid pressure. There is minimum deviation and dispersion of the liquid jet across the harness shed.
REFERENCES:
patent: 3576284 (1971-04-01), Fellows et al.
patent: 3655862 (1972-04-01), Dorschner et al.
patent: 3782422 (1974-01-01), Vermewler
patent: 3863822 (1975-02-01), Keldany
patent: 3977442 (1976-08-01), Shibata et al.
Cornellier Joseph Rene
Kwok Clyde Chi Kai
Cornellier Joseph Rene
Jaudon Henry S.
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