| 摘要 |
PROBLEM TO BE SOLVED: To enjoy an aquarium with high interior effect through affording observers with a fresh surprise. SOLUTION: The subject system 10 for enjoying the aquarium includes a transparent main pipe 11 bent in nearly inverse U-shape, floats 14a and 14b provided respectively at openings 13a and 13b sunk under the water surface 31a and functioning to surface the main pipe 11 above the water surface 31a in a raised posture, and a suction/exhaust port 12 and an openable valve 12a for exhausting air from the main pipe 11. This system works as follows: The main pipe 11 is exhausted of air via the suction/exhaust port 12 to draw the water 31 in the aquarium 30 into the main pipe 11 based on the principle of siphon, forming a freely floating water channel 31b raised above the water surface 31a, thus enabling enjoying the appearance that aquatic organisms 32 in the aquarium 30 wander freely in the water channel 31b of the main pipe 11 via the openings 13a and 13b. COPYRIGHT: (C)2005,JPO&NCIPI
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