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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0460044 (1990-01-02) |
우선권정보 | JP-0132218 (1987-05-28); JP-0132219 (1987-05-28); JP-0139497 (1987-06-03); JP-0139498 (1987-06-03); JP-0144951 (1987-06-10) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 4 인용 특허 : 10 |
An underground continuous impervious wall is disclosed, which includes an impervious sheet which partitions a gutter and prevents water from passing through the wall. The gutter is formed in the ground such that it has a small width. The impervious sheet is lowered into the gutter to partition the g
The method of constructing an underground water-impervious wall in a slit trench comprising the steps of: (a) boring a plurality of holes at preselected intervals along the center line of the proposed wall; (b) charging said holes with fluidized mud simultaneously with the boring thereof; (c) placin
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