| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a small step mat on a floor surface inside a car or the like is currently contaminated with filth by being rubbed with a footwear sole contaminated by stepping filth in toilets of places with especially many comings and goings of persons such as a resort, a rest area, and a restaurant, a sanitary and mental problem, and a problem that, if a shallow container is lied in a sloped floor surface, the symmetric balance of peripheral edge height in the shallow container is broken, and liquid flows out and cannot be maintained.SOLUTION: The solution is provided, in which a shallow container 1 having a flat and proper area and the depth of about 10 and several mm is set in part of an exit path floor surface in the toilets or the like, a brush-shaped mat 4 is properly adjusted to the surface of liquid 2 filling the container and soaked in the liquid, means is taken to lay the mat 4 for washing a footwear sole 3, the footwear sole 3 is washed by the synergistic effect of the mat 4 and the liquid 2 when stepping on the washing mat 4 in walking, contaminated water is discharged through an overflow 10, the new liquid 2 equal to the amount of the contaminated water flows in the container 1 through water supply 9 and constantly keeps the container full, and the mat 4 is also washed and maintained in clean condition even if being laid on the sloped floor surface. |
