The present invention relates to a spraying device suitable for spraying cleaning compositions and rinse water onto hard surfaces, More particularly the spraying device may be attached to a hose, for example a conventional garden hose, so that the cleaning composition and rinse water can be applied
The present invention relates to a spraying device suitable for spraying cleaning compositions and rinse water onto hard surfaces, More particularly the spraying device may be attached to a hose, for example a conventional garden hose, so that the cleaning composition and rinse water can be applied to outside surfaces, such as vehicles or the outside surface of windows. The spraying device comprises a purifier located inside the cavity of a container and a spray head.
대표청구항▼
What is claimed is: 1. A hand-held spraying device comprising a container, a water purifier, and a spray head, all of which are part of said device during use of said device, wherein the container contains a cleaning composition that is distinct from a supply of water, but which may be mixed with a
What is claimed is: 1. A hand-held spraying device comprising a container, a water purifier, and a spray head, all of which are part of said device during use of said device, wherein the container contains a cleaning composition that is distinct from a supply of water, but which may be mixed with a supply of water, and the spraying device comprises a valve system in said spraying device, wherein said valve system is designed to facilitate compliance with a three or more separate step wash and rinse process, wherein one of said steps comprises a step of spraying the cleaning composition in the container which has been mixed with said supply of water, another step comprises an unpurified water rinsing step, and one step comprises a purified water rinsing step, wherein the spraying device comprises a means for connection to a hose which defines a water inlet, means for removal of a composition from the container, and said valve system is suitable for controlling water flow through the spray device and at least one spray nozzle wherein the means for removal of a composition from the container comprises a tube which is attached to the spray head and extends into the container. 2. The spraying device of claim 1 wherein said device provides a visual indicator that signals to a user that the device is at different stages of the wash and rinse process. 3. The spraying device of claim 2 that displays at least two liquid spray patterns from the device during use, wherein said visual indicator comprises a difference in the spray pattern between the unpurified rinse water spray and the purified rinse water spray. 4. The spraying device of claim 1 further comprising an extension attachment joined to said spray head. 5. The spraying device of claim 1 wherein said container has a vent hole therein, and said vent hole is covered with a one-way valve. 6. The spraying device of claim 1 further comprising an operating switch joined to said spraying device, said operating switch being openable to allow water to flow through said spray head, and closeable to inhibit the flow of water through said spray head. 7. The spraying device of claim 1 further comprising a body in which the valve system is housed, wherein said body comprises a left and a right segment. 8. The spraying device of claim 7 wherein said left and right segments provide an opening therein for at least one spray nozzle. 9. The spraying device of claim 7 further comprising a handle that forms a part of said body. 10. The spraying device of claim 9 wherein said handle has an operating switch thereon, said operating switch being openable to allow water to flow through said spray head, and closeable to inhibit the flow of water through said spray head. 11. The spraying device of claim 1 wherein said purifier is replaceable. 12. A hand-held spraying device comprising a container, a water purifier, and a spray head, all of which are part of said device during use of said device, wherein the container contains a cleaning composition that is distinct from a supply of water, but which may be mixed with a supply of water, and the spraying device comprises an integrated valve system designed to facilitate compliance with a three or more separate step wash and rinse process, wherein one of said steps comprises a step of spraying the cleaning composition in the container which has been mixed with said supply of water, another step comprises an unpurified water rinsing step, and one step comprises a purified water rinsing step, wherein the water purifier contains at least one ion exchange resin. 13. The spraying device of claim 12 wherein the ion exchange resin is in the form of a layered bed structure of ion exchange resin. 14. The spraying device of claim 12 wherein the purifier comprises more than one ion exchange resin selected from the group consisting of strong acidic, weak acidic, strong basic and weak basic. 15. The spraying device of claim 12 wherein said at least one ion exchange resin comprises a sequential bed design comprising a structure in which water flows through a strong acidic resin and then weak basic resin. 16. The spraying device of claim 12 wherein at least a portion of said at least one ion exchange resin comprises resin beads of less than 1 mm in diameter. 17. The spraying device of claim 12 wherein at least a portion of said at least one ion exchange resin comprises resin beads of less than 0.6 mm in diameter. 18. The spraying device of claim 12 wherein at least a portion of said at least one ion exchange resin comprises resin beads of less than 0.4 mm in diameter. 19. The spraying device of claim 12 wherein one of said at least one ion exchange resins comprises resin beads of less than 1 mm in diameter. 20. The spraying device of claim 12 wherein one of said at least one ion exchange resins comprises resin beads of less than 0.6 mm in diameter. 21. The spraying device of claim 12 wherein one of said at least one ion exchange resins comprises resin beads of less than 0.4 mm in diameter. 22. The spraying device of claim 12 wherein the purifier has a volume capacity of no greater than 100 in3. 23. The spraying device of claim 12 wherein the purifier has a volume capacity of at least 4 in3. 24. The spraying device of claim 12 wherein the purifier has a volume capacity of at least 6 in3. 25. The spraying device of claim 12 wherein the purifier has a volume capacity of at least 8 in3. 26. A process according to claim 12 wherein the resin of the purifying device produces a visual indication of depletion of the ion exchange resin.
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