| 摘要 |
PURPOSE: An elbow drainage trap is provided to have a deodorant effect for a long period of time by having large amounts of water inside the trap. CONSTITUTION: An elbow drainage trap forms a trap structure of an elbow drain pipe which is inserted at a slab, a support frame(10), an external member which is inserted into the elbow drainage trap, and an inner member. The elbow drainage trap assembles a drain pipe(70) in a horizontal insertion part(54) of the elbow drainage trap and assembles a filter cover at a vertical edge part(12) of the support frame. |
