|発明の名称||LAYERED FILTER DEVICE|
PROBLEM TO BE SOLVED: To provide a layered filter device capable of being carried to various outdoor places and filtering a large amount of water over a long time at the places.
SOLUTION: A layered filter device includes: an upper plate 1 having a water supply channel 12; a bottom unit 2 disposed at the lower part of the upper plate 1; and at least one intermediate unit 3 disposed between the upper plate 1 and the bottom unit 2. The bottom unit 2 includes a bottom plate 21 having a water drain channel 212 and a bottom filter 22 disposed at the upper part of the bottom plate 21. The intermediate unit 3 includes an intermediate plate 31 having a water supply channel 312, a water drain channel 313 and a projection body 314 and an intermediate filter 32 disposed at the upper part of the intermediate plate 31. The central part of the intermediate filter 32 is supported with the projection body 314.
- 国立大学法人 福島大学 研究振興課
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