Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuyoshi Nakakuma0
Date of Patent
April 3, 2007
0Patent Application Number
104513090
Date Filed
October 31, 2002
0Patent Primary Examiner
Patent abstract
A system and a method for draining soft soil A bordered with soil B are disclosed. The system includes an airtight sheet 10 which covers the soft soil A to assist in vacuuming the soft soil A. The system further includes water gathering pipes 13 and a water drain tank 16 to receive water from the water gathering pipes 13. The water gathering pipes 13 and the water drain tank 16 provide water passages and air passages separately so as to expedite the drainage operation.
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