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1. JPWO2002012637 - 地下水揚水装置

Office Japan
Application Number 2002517906
Application Date 31.07.2001
Publication Number WO2002012637
Publication Date 14.02.2002
Grant Number 3974851
Grant Date 22.06.2007
Publication Kind B2
IPC
E02D 3/10
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
3Improving or preserving soil or rock, e.g. preserving permafrost soil
02Improving by compacting
10by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
CPC
E21B 43/121
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
121Lifting well fluids
E02D 3/10
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
3Improving or preserving soil or rock, e.g. preserving permafrost soil
02Improving by compacting
10by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
E02D 19/10
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
19Keeping dry foundation sites or other areas in the ground
06Restraining of underground water
10by lowering level of ground water
Applicants 西松建設株式会社
株式会社成幸利根
日本建設機械商事株式会社
株式会社アサヒテクノ
Inventors 高橋 茂吉
南嶋 義幸
松村 修一
山口 徹
Agents 西川 惠清
森 厚夫
Priority Data 2000234035 02.08.2000 JP
Title
(JA) 地下水揚水装置
Abstract
Also published as
GBGB0304365.0