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Title:
SAMPLING APPARATUS FOR SOIL SAMPLE IN STRATUM INVESTIGATION
Document Type and Number:
Japanese Patent JP3898497
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a sampling apparatus by which a soil sample can be sampled surely in a so-called penetration test, in which the rotation of a penetration rod is performed without being transmitted to a sample sampling tube and by which the soil sample of high reliability is obtained.
SOLUTION: The lower end part of the cylindrical penetration rod 1 which is turned and lowered inside the ground by a penetration device is engaged detachably with a tip cone 4 which constitutes an introduction port 5 for the soil sample in such a way that it is overlapped up and down with the tip cone 4. The sample sampling tube 3 whose lower end is assembled to the tip cone 4 so as to be freely inserted and removed and which communicates with the introduction port 5 and a guide pipe 7 whose lower end is connected to the upper end part of the tube 3 by a connection means are arranged and installed at the inside of the penetration rod 1. A contactor 11 is installed at the upper end part in which a connecting material 2 connected to the penetration device for the penetration rod 1 is installed, and a contactor 10 which comes into point contact with the contactor 11 on the axial line of the penetration rod 1 is installed at the upper end of the guide pipe 7.


Inventors:
Yoshinobu Ogata
Application Number:
JP2001370965A
Publication Date:
March 28, 2007
Filing Date:
December 05, 2001
Export Citation:
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Assignee:
Tachibana Construction Consultants Co., Ltd.
International Classes:
E02D1/04; G01N1/08; (IPC1-7): G01N1/08; E02D1/04
Domestic Patent References:
JP60003385A
JP52155589U
JP5529236B1
JP56171889U
JP1102845U
JP2308006A
JP2001090468A
JP11132917A
JP11140858A
Attorney, Agent or Firm:
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