| 摘要 |
PURPOSE: A packing for preventing water leakage and a drain trap of a sink comprising the same are provided to seal the gap between the floor of a tub and a flange unit by a first seal unit of the packing and effectively seal the gap between the drain trap and a fixed cap. CONSTITUTION: A drain trap of a sink comprising a packing for preventing water leakage comprises a packing(130) and a protrusion. The packing consists of a first seal unit(131) and a second seal unit(132). The first seal unit is located between the floor(3) of a tub and a flange(122). The second seal unit is downwardly extended from the inner circumferential surface of the first seal unit. The second seal unit is located between the drain trap(110) and a fixed cap(121). The angle(&thgr;) between the first and second seal units is smaller than 90°. The protrusion is formed along the upper end of the inner circumferential surface of the drain trap. |
