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Title:
FILLER SAMPLING DEVICE IN EXCAVATION HOLE
Document Type and Number:
Japanese Patent JP2013256839
Kind Code:
A
Abstract:

To provide a filler sampling device in an excavation hole, capable of sampling a filler only in a planned sampling position, eliminating a possibility of a sample to be mixed with the other sediment or the like when extracting the sample on the ground, and sampling and extracting the sample of a required position in a stable state.

A device body part of a filler sampling device in an excavation hole is provided with a circular sampling container support disk at its bottom end, and a sample introduction port is opened in the sampling container support disk in a vertically penetrating manner. A sampling container is removably fitted to the sample introduction port in a state that a sampling port communicates with the sample introduction port. A sample introduction space opened/closed by vertical movement of a cylindrical slide cylinder is provided on the sampling container support disk, the outer periphery of the slide cylinder is formed so that it has nearly the same diameter as that of the outer periphery of the sampling container support disk, and the sample introduction space is sealed by allowing a bottom end of the slide cylinder to abut against a top face of the sampling container support disk.


Inventors:
NOMOTO SADAHISA
TAGUCHI TAKUMI
OKADA RYOTA
OTA SHINJI
SHINKAWA TERUO
Application Number:
JP2012134743A
Publication Date:
December 26, 2013
Filing Date:
June 14, 2012
Export Citation:
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Assignee:
NIPPON HUME CORP
International Classes:
E02D1/04
Domestic Patent References:
JP2011001797A2011-01-06
JP2012082617A2012-04-26
JP2011236554A2011-11-24
JPH11326156A1999-11-26
JP2001073360A2001-03-21
JP2010222799A2010-10-07
Foreign References:
DE3618387A11987-12-03
Attorney, Agent or Firm:
Masao Tanaka