Title:
口元管及びそれを用いた工法
Document Type and Number:
Japanese Patent JP7169214
Kind Code:
B2
Abstract:
To provide a mouth pipe capable of being securely held or fixed to a natural ground and securely preventing a material supplied to an underground via the mouth pipe from leaking to a ground side, and to provide a method using such a mouth pipe.SOLUTION: A mouth pipe (10) of the invention comprises: a spiral blade (12, a spiral: a screw) disposed at a main body portion (11) of the mouth pipe (10); and a plate-shaped member (13: a first plate) capable of covering the main body portion disposed at a ground side end portion of the main body portion (11). A method of this invention includes: a step of installing the mouth pipe (10) in a natural ground (G); a step of drilling a borehole (H) in the natural ground via an inner space of the mouth pipe (10); and a step of supplying a consolidation material (C: for example, cement milk) into the borehole (H).SELECTED DRAWING: Figure 11
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Inventors:
Kosei Ishigaki
Application Number:
JP2019019508A
Publication Date:
November 10, 2022
Filing Date:
February 06, 2019
Export Citation:
Assignee:
Nittoku Construction Co., Ltd.
International Classes:
E02D5/80
Domestic Patent References:
| JP2018178361A | ||||
| JP2007205079A | ||||
| JP2004162417A | ||||
| JP2015110894A | ||||
| JP8085942A | ||||
| JP2002309573A |
Attorney, Agent or Firm:
Patent Attorney Takahashi Patent Office
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