Title:
地下水採取装置及び地下水採取方法
Document Type and Number:
Japanese Patent JP6901769
Kind Code:
B2
Abstract:
To provide a groundwater collecting device capable of collecting groundwater with a simple configuration.SOLUTION: A groundwater collecting device comprises: a water collecting pipe having one open end, the open end closed by a plug and the inside being at a pressure lower than atmospheric pressure; a water collecting pipe holding portion for holding at least a part, except the open end, of the water collecting pipe; driving means for driving the water collecting pipe holding portion in the vertical direction; a water catchment portion having a syringe needle and a water catchment body connected to the syringe needle; and a housing for internally accommodating the water collecting pipe holding portion holding the water collecting pipe, the drive means, and the water catchment portion excluding the water catchment body. The syringe needle is made to penetrate the plug by lowering the water collecting pipe holding portion holding the water collecting pipe by the driving means, so that a groundwater flowing from the water catchment body is collected in the water collecting pipe.SELECTED DRAWING: Figure 1
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Inventors:
Naoto Yamamoto
Yuichi Sonoda
Yuichi Sonoda
Application Number:
JP2017184356A
Publication Date:
July 14, 2021
Filing Date:
September 26, 2017
Export Citation:
Assignee:
Shin Nihon Grout Industry Co., Ltd.
International Classes:
E21B49/08; G01V9/02
Domestic Patent References:
| JP2011111890A | ||||
| JP5869994A | ||||
| JP369090U |
Foreign References:
| US5139085 |
Attorney, Agent or Firm:
Takashi Onodera
Masao Sekiguchi
Masao Sekiguchi