摘要 |
PROBLEM TO BE SOLVED: To provide a device which can clear the way for drainage and which can keep cleanliness by preventing the dirt and slime which stick to a basket when a draining garbage bag is attached and a basket of a drain outlet of a kitchen is used. SOLUTION: A spindle 3 is provided between the upper annular body 1 and the lower annular body 2, and a spiral 4 is formed and directed downward, which is continuous to the upper annular body 1 as its diameter becomes smaller. COPYRIGHT: (C)2007,JPO&INPIT
|