Title:
CORE SAMPLING DEVICE
Document Type and Number:
Japanese Patent JP2014173303
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a core sampling device capable of sampling a core of good quality while preventing the core from being disturbed when the core is sampled.SOLUTION: In a core sampling device which samples a core inside of a core tube, the core tube is connected to a boring rod 41 of a boring device via a core head. Core adjustment means 31 is provided inside the core tube, and the core adjustment means 31 has: a core adjustment means body 32; and an elastic member 33 provided on a side face of the core adjustment means body 32 which presses and bonds the core adjustment means body 32 onto the inner surface of the core tube. The core adjustment means 31 is movable in the axial direction of the core tube in the inside of the core tube.
Inventors:
KOMIYA KUNIMORI
KATAYAMA TATSUO
KATAYAMA TATSUO
Application Number:
JP2013045745A
Publication Date:
September 22, 2014
Filing Date:
March 07, 2013
Export Citation:
Assignee:
HIGHTECH KK
GEN ENVIRONMENTAL TECHNOS CO LTD
GEN ENVIRONMENTAL TECHNOS CO LTD
International Classes:
E21B25/00; E02D1/04; G01N1/08
Domestic Patent References:
| JPH1061365A | 1998-03-03 | |||
| JPH08136418A | 1996-05-31 | |||
| JPH01125490A | 1989-05-17 | |||
| JPH07102871A | 1995-04-18 |
Foreign References:
| US6505693B1 | 2003-01-14 |
Attorney, Agent or Firm:
Nobumichi Miyata