초록 ▼

The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm ( 220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a cleaning composition for treatment of carpets a

The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm ( 220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a cleaning composition for treatment of carpets and other large fabric coverings, more preferably, a composition comprising surfactants. Also preferably, the portable device is electrically driven, and/or the spray arm is extendible and/or detachable from the device's main unit.

대표청구항 ▼

The invention claimed is: 1. A portable device for spraying a liquid at low pressure, said device comprising a bottle comprising a liquid cleaning composition, said liquid cleaning composition comprising a surfactant, said device comprising an extendible spray arm, wherein said spray arm comprises

The invention claimed is: 1. A portable device for spraying a liquid at low pressure, said device comprising a bottle comprising a liquid cleaning composition, said liquid cleaning composition comprising a surfactant, said device comprising an extendible spray arm, wherein said spray arm comprises at least one flat fan spray nozzle, and wherein said bottle has a venting means. 2. A portable device according to claim 1 wherein said liquid cleaning composition is a cleaning composition for treatment of at least one of: carpets and large fabric coverings. 3. A portable device according to claim 1 which is electrically driven. 4. A portable device according to claim 1 wherein said spray arm is telescopingly extendible. 5. A portable device according to claim 1 comprising a main unit wherein said spray arm is detachable from the device's main unit. 6. A portable device according to claim 1 wherein the angle of spray in a flat fan plan of the spray nozzle is within the range of about 30째 to about 120째. 7. A portable device according to claim 1 wherein the angle of spray in a plan perpendicular to a flat fan plan of the spray nozzle is less than about 20째. 8. A portable device according to claim 7 wherein the angle of spray in a plan perpendicular to the flat fan plan of the spray nozzle is less than about 15째. 9. A portable device according to claim 1 wherein a flow rate of spray from the spray nozzle is below about 500 ml/min. 10. A portable device according to claim 1 wherein the maximum pressure at an outlet of the spray nozzle is less than about 3 bar. 11. A portable device according to claim 1 wherein the mean diameter of spray particles from the spray nozzle is comprised within the range of about 1 to about 500 μm. 12. A portable device according to claim 11 wherein the mean diameter of spray particles from the spray nozzle is comprised within the range of about 10 to about 350 μm. 13. A portable device according to claim 1 wherein the device further comprises an anti-drip valve. 14. A portable device according to claim 13 wherein said anti-drip valve is located substantially adjacent to the spray nozzle. 15. A portable device according to claim 1 further comprising a handle for carrying the portable device during use. 16. A portable device according to claim 1 further comprising a clip or shoulder strap which allows the portable device to be carried during use. 17. A process of cleaning a carpet, a floor covering or another large surface comprising the steps of: i) applying a composition onto said carpet, floor covering or other large surface, in the form of a flat fan-shaped spray of droplets by using a portable device according to claim 1; ii) leaving said composition to dry onto said carpet, floor covering or other large surface; and iii) optionally removing the dried composition. 18. A process according to claim 17 which comprises the additional step of applying a mechanical action to the carpet, floor covering or other large surface, prior to leaving the composition to dry onto said carpet, floor covering, or other large surface. 19. A process according to claim 18 wherein said mechanical action is achieved by using a brush, a sponge, a rubbing glove or similar means. 20. A process according to claim 17 wherein the dried composition is removed by vacuuming.