Title:
PUMPING/REDUCTION WELL, WATER SUPPLY METHOD THEREFOR, UNDERGROUND WATER PUMPING/REDUCTION SYSTEM, ROAD HEATING SYSTEM, AND SNOW MELTING SYSTEM
Document Type and Number:
Japanese Patent JP2018024987
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent fine particles from being deposited in a pumping/reduction well.SOLUTION: A pumping/reduction well comprises: a water permeable pipe which is disposed in a water stagnation layer and includes multiple holes on a side face; a tip reinforcing basin which is fitted to a tip of the water permeable pipe; a drain pipe of which one end is disposed within the tip reinforcing basin; and a water supply pipe which is disposed on an upper part of the drain pipe. It is preferable that one end of the water supply pipe is disposed within the tip reinforcing basin. It is preferable that at least a part of the tip reinforcing basin is located in a lower layer at a lower side of the water stagnation layer. Further, it is preferable that at least a tip portion of the tip reinforcing basin is formed conical, formed in a pyramid shape or bullet-shaped.SELECTED DRAWING: Figure 1
Inventors:
TAKEUCHI KAZUO
Application Number:
JP2016155453A
Publication Date:
February 15, 2018
Filing Date:
August 08, 2016
Export Citation:
Assignee:
TAKEUCHI KENCHIKU KENKYUSHO KK
TAKEUCHI TAKASHI
TAKEUCHI KAZUHARU
TAKEUCHI TAKASHI
TAKEUCHI KAZUHARU
International Classes:
E01C11/26; E01H5/10
Domestic Patent References:
| JPS61282513A | 1986-12-12 | |||
| JPH09221976A | 1997-08-26 | |||
| JP2010281493A | 2010-12-16 | |||
| JPS61211416A | 1986-09-19 | |||
| JP2015213883A | 2015-12-03 | |||
| JPS57112699A | 1982-07-13 |
Attorney, Agent or Firm:
Takashi Onodera
Masao Sekiguchi
Masao Sekiguchi
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