| Watos Corea Co., Ltd. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120012197 | VALVE FOR CONTROLLING AMOUNT OF WATER IN RIM-SIDE SUPPLY PIPE OF FILL VALVE IN WATER TOILET - A valve for controlling the amount of water in a rim-side supply pipe of a fill valve in a water toilet. The valve includes a fill valve for permitting and stopping supply of washing water from a hydrant into a water tank. A fixing section fixes the fill valve to an overflow pipe. A float has a packing for opening or closing an opening/closing hole of the fill valve depending on a level of water contained in the water tank. A water amount control valve controls the amount of washing water which is supplied to the rim-side supply pipe of the fill valve. The amount of washing water, which is supplied toward a rim of the toilet, is controlled by the opened area of the rim-side supply pipe of the fill valve. | 01-19-2012 |
| 20120012193 | APPARATUS FOR PREVENTING BACKFLOW OF FILL VALVE IN WATER TOILET - An apparatus for preventing backflow of a fill valve in a water toilet. The apparatus includes a fill valve for permitting and stopping supply of washing water from a hydrant into a water tank, a fixing section fixing the fill valve to an overflow pipe, a float having a packing for opening or closing an opening/closing hole of the fill valve depending on a level of water contained in the water tank, and a backflow-preventing section disposed inside the fill valve. The backflow-preventing section permits washing water to be supplied from the hydrant into the water tank, and prevents washing water from flowing back toward the hydrant. The backflow-preventing section includes a backflow-preventing member mounted to a supply pipe of the fill valve, and an operation control valve seated on a fitting protrusion of the fill valve to control an operation of the backflow-preventing member. | 01-19-2012 |
