KR830008838A - Apparatus and method for optionally spraying droplets - Google Patents

Abstract

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Description

Apparatus and method for optionally spraying droplets

Since this is an open matter, no full text was included.

1 is a schematic cross-sectional view of a fluid injector and a fluid having two components successively falling in accordance with the present invention.

2 is a schematic perspective view showing a charging device and a deflection device of a droplet.

4 is a schematic representation of another embodiment of any noise disturbance system according to the present invention in which a series of piezoelectric ores uses only any noise disturbance in the fluid or liquid supply chamber or supply manifold.

Claims (31)

Injectors for printing, coloring or otherwise processing the incoming substrate located below define a plurality of ejection holes having a different size and space than the device defining the source of the pressurized liquid and an outlet diameter d in which droplets are formed arbitrarily. A device configured to randomly generate droplets from liquids having a pore device and having a non-limiting transverse machine width, wherein the pressure and pore size are adjusted such that droplet dispersion occurs within a predetermined distribution of an average droplet size, And an electrode device for selectively charging the drop, a collecting device for collecting the drop, and a deflector for tilting the drop from the incoming substrate toward the collecting device. The liquid ejection device of claim 1 wherein the device acts on the substrate with droplets of less than 0.1 inch misprint. The method of claim 1 or 2, wherein the misprint value is defined as n (4.51d) v '/ v, where n is the number of mean droplet spaces at which droplets form away from the mean breakpoint, d is the hole diameter, v Is the injection speed, v 'represents the moving speed of the substrate. The liquid of claim 3, wherein the range of d is 0.00035-0.02 inches, n is greater than or equal to 1, the range of v is 200-3200 inches / second, and the range of v ′ is 0-480 inches / second. Injector. 5. A liquid injector according to claim 4, wherein the pressure ranges from 2-5000 psi. 5. The liquid spray device of claim 4 wherein the aperture is about 0.004 inches, the pressure range is 2-30 psi, and the spray rate is 400 inches / second. 5. The liquid injector of claim 4, wherein the aperture is about 0.0013 inches, the pressure range is 15-70 psi, and the injection speed is about 800 inches / second. 5. Liquid ejection apparatus according to claim 1, 3 or 4, wherein the range of the electrode apparatus has a length parallel to the droplet flow which is 30-300 times the pore diameter. 9. A liquid spray apparatus according to claim 8, wherein the preferred length of the electrode apparatus is about 100 d. 10. The liquid injector according to claim 8 or 9, wherein the voltage applied to the electrode device is in the range of 50-200 volts. The liquid injector according to claim 1, 3 or 4, wherein the viscosity of the liquid is 100 cps or less. 5. A liquid injector according to claim 1, 3 or 4, which moves at a speed of 480 inches / second or less with respect to the hole in the substrate. 10. A liquid injector according to claim 1, 3, 4, 8 or 9, wherein the device is operated at a charge electrode voltage of at least 1.5 times the voltage of a regularly disturbed device having the same misprint value. 5. A liquid injector according to claim 1, 3 or 4, wherein any generator operates without artificial or external disturbances for transmitting a periodic period of vibration to the liquid to induce a constant droplet dispersion. 10. The liquid injector of claim 1,3,4,6,7 or 9, wherein the substrate is a fabric. 16. The liquid injector according to claim 15, wherein the liquid is a natural or synthetic textile dye or colorant or a mixture thereof. Any noise as defined in claim 1, 2, 4, 6, 7, or 8, wherein the device gives an irregular and randomly varying vibration to the liquid to induce a flow that causes more random dispersion than when there is no irregular vibration. Liquid injector, characterized in that it has a generator. 18. The liquid ejection apparatus according to claim 17, wherein any noise generator delivers noise of any frequency to the ink having a bandwidth of 12,000 cycles / second or less. 18. The liquid injector of claim 17, wherein any noise generator has a center frequency that approximates the intrinsic disconnection frequency of the injection stream. It has a width that varies from less than 0.1 inches to 15 feet and is randomly generated from the treatment liquid by artificially or arbitrarily formed from liquids without external vibrators to have different sizes and spaces within a predetermined distribution of average droplet size. Colored or imaged substrate formed from correctly controlled droplets. The substrate of claim 20 wherein the substrate is a textile product and the treatment liquid is a natural or synthetic textile dye or a colorant or mixture thereof. By pressurizing the source of the liquid and forcing the liquid through the at least one hole, the liquid is produced in the form of at least one jet and the pressure and the pore size are adjusted so that any droplet dispersion occurs within a predetermined distribution to an average droplet size. Thereby randomly forming the jet stream into droplets, selectively charging the specified ones in the droplets, deflecting the path of the charged droplets, and collecting the deflected droplets so that the uncharged droplets fall on the substrate. Printing a mark on the substrate or coloring the substrate with a liquid. 23. The method of claim 22, wherein the size of the hole and pressure of the liquid spray is obtained from the misprint equation n (4.51d) v '/ v, where n is the number of mean droplet spaces in which droplets are formed away from the average break point, d Where v is the pore diameter, v is the spray rate, and v 'is the substrate migration rate, whereby the droplet reaching the substrate has a misprint value of 0.9 inches or less. 24. The method of claim 22 or 23, wherein the substrate is indexed in a predetermined manner under the droplets. The method of claim 24, wherein the substrate is moved at a rate of 480 inches / second or less. 24. The method of claim 22 or 23, wherein the pressure range is 2-500 psi. 24. The method of claim 22 or 23, wherein the droplet is applied to the substrate with a misprint value of 0.1 inches or less. 29. The method of claim 22, 23 or 28, wherein the viscosity of the liquid is 100 cps or less. 29. The method of claim 22, 23 or 28, comprising generating irregular and randomly varying vibrations and applying the vibrations to the liquid such that the liquids are more randomly dispersed than when there are no irregular vibrations. How to. 30. The method of claim 29, wherein the randomly generated vibrations are generated at any frequency having a bandwidth of 12,000 cycles / second or less. 28. The method of claim 22, 23 or 27, wherein the substrate is a fabric and the liquid is a natural or synthetic textile dye or a colorant or mixture thereof. ※ Note: The disclosure is based on the initial application.