A mixing method is disclosed. The mixing method includes providing a drop generating device including a first drop ejector, a second drop ejector and a collector. The mixing method also includes ejecting a plurality of drops of a first reactant from the first drop ejector and ejecting a plurality of
A mixing method is disclosed. The mixing method includes providing a drop generating device including a first drop ejector, a second drop ejector and a collector. The mixing method also includes ejecting a plurality of drops of a first reactant from the first drop ejector and ejecting a plurality of drops of a second reactant from the second drop ejector and collecting the drops with the collector.
대표청구항▼
1. A mixing device, comprising: a printhead;a first independent drop ejector disposed in mechanical cooperation with the printhead comprising a first set of nozzles, wherein said first set of nozzles are configured to be substantially uniform in size, and wherein the first drop ejector is configured
1. A mixing device, comprising: a printhead;a first independent drop ejector disposed in mechanical cooperation with the printhead comprising a first set of nozzles, wherein said first set of nozzles are configured to be substantially uniform in size, and wherein the first drop ejector is configured to eject a plurality of drops of a first reactant;a second independent drop ejector disposed in mechanical cooperation with the printhead comprising a second set of nozzles, wherein said second set of nozzles are configured to be substantially uniform in size, and wherein the second drop ejector is configured to eject a plurality of drops of a second reactant;a heating element asymmetrically disposed in at least one of said nozzles, wheresaid element is configured to heat portions of said first reactant;a collector to receive the reactants of the first and second drop ejectors; anda drum in mechanical cooperation with said collector, wherein said drum is disposed below said first and second ejectors and between said collector and said ejectors, wherein the first and second set of nozzles are configured at an angle to mix the first and second reactants prior to being received by the collector to form an inked image thereon after ejection from the first and second drop ejectors. 2. The mixing device of claim 1, wherein said nozzles are configured to contain a transverse cross-section that is asymmetrical about a center point. 3. The mixing device of claim 1, wherein the first set of nozzles and the second set of nozzles have a different shape. 4. The mixing device of claim 1, wherein the first and second independent drop ejectors are tilted toward a common perpendicular axis such that the collector collects substantially all of the drops. 5. The mixing device of claim 2, wherein said first independent ejector and said second independent ejector are configured to be angled toward the center axis of said collector. 6. The mixing device of claim 1, further comprising a third independent drop ejector disposed in mechanical cooperation with the printhead comprising a third set of nozzles, wherein said third set of nozzles are configured to be substantially uniform in size, and wherein the third independent drop ejector is configured to eject a plurality of drops of a third reactant. 7. A mixing device, comprising: a first printhead;a first independent drop ejector disposed in mechanical cooperation with the first printhead comprising a first set of nozzles, wherein said first set of nozzles are configured to be substantially uniform in size and contain a transverse cross-section that is asymmetrical about a center point, and wherein the first drop ejector is configured to eject a plurality of drops of a first reactant in an angled fluid path;a second independent drop ejector disposed in mechanical cooperation with the first printhead comprising a second set of nozzles, wherein said second set of nozzles are configured to be substantially uniform in size and contain a transverse cross-section that is asymmetrical about a center point, and wherein the second drop ejector is configured to eject a plurality of drops of a second reactant in an angled fluid path;at least one heating element asymmetrically disposed in at least one of said nozzles;a collector to receive the reactants of the first and second drop ejectors;anda drum in mechanical cooperation with said collector, wherein said drum is disposed below said first and second ejectors and between said collector and said ejectors,wherein the angled paths cause the first and second reactants to collide prior to contacting the collector and after ejection from the first and second set of nozzles, and wherein said collided reactants form an inked image on said collector. 8. The mixing device of claim 7, wherein the first set of nozzles and the second set of nozzles have a different shape. 9. The mixing device of claim 7, wherein said heating element is disposed at least partially within said nozzle at a location outside of its transverse center. 10. The mixing device of claim 7, wherein the transverse cross section of each of the nozzles of the first independent drop ejector is triangular. 11. The mixing device of claim 7, wherein the transverse cross section of each of the nozzles of the first independent drop ejector comprises a circular shape having a notch therein. 12. The mixing device of claim 7, wherein said first independent ejector and said second independent ejector are configured to be angled toward the center axis of said collector. 13. A mixing method, comprising: providing the mixing device of claim 1;ejecting a plurality of drops of a first reactant from the first independent drop ejector, ejecting a plurality of drops of a second reactant from the second independent drop ejector and mixing said reactants thereby;depositing said mixed reactants on said drum; andcollecting the mixed reactants at the collector. 14. The mixing method of claim 13, wherein said drum is rotating. 15. The mixing method of claim 13, wherein collecting further comprises scrapping said deposited mixed reactants from said drum before collecting the mixed reactants at the collector. 16. The mixing method of claim 13, wherein the volume of reactant ejected from each nozzle is about 1 pL to about 25 pL. 17. The mixing method of claim 13, further comprising heating said first or said second reactant via said heating element in at least one of said nozzles. 18. The mixing method of claim 13, further comprising heating said deposited mixed reactants to form a functional substrate layer on said drum. 19. The mixing method of claim 13, further including providing a third independent drop ejector disposed in mechanical cooperation with the mixing device, the third independent drop ejector configured to eject a plurality of drops of a third reactant. 20. The mixing method of claim 13, wherein the third independent drip ejector is configured to eject said third reactant at a rate of at least about 20 kHz. 21. The mixing method of claim 13, wherein the first reactant includes a first level of viscosity and the second reactant includes a second level of viscosity and further including mixing the first reactant and the second reactant to form a product, the product having a third level of viscosity, the third level of viscosity being greater than the first level of viscosity and the second level of viscosity. 22. The mixing method of claim 13, wherein said first and said second independent drop ejectors are configured to eject said first and said second reactants at the same rate. 23. The mixing method of claim 13, wherein the reactant in the first independent drop ejector comprises a mixture of alcohol and lye and the reactant in the second independent drop ejector is vegetable oil. 24. The mixing method of claim 19, wherein the reactant in the third independent drop ejector catalyzes the first and second reactants ejected from the first and second independent ejectors to form a product or stabilizes a product formed by mixing said first and second reactants. 25. The mixing method of claim 13, further including manipulating at least one of the plurality of drops of the first reactant and the plurality of drops of the second reactant with an external force, wherein the external force includes at least one of using an air stream, providing an electric charge and using an electromagnetic field.
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이 특허에 인용된 특허 (14)
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