Title:
SOIL SAMPLING DEVICE
Document Type and Number:
Japanese Patent JP2006291571
Kind Code:
A
Abstract:
To protect the wall of a hole by installing a casing at the same time as a sampler excavating operation is performed.
A core tube 2 and a boring rod 4 are inserted into the casing 1, and the casing 1 and the boring rod 4 are integrally connected to each other with chuck bolts 11 at the head part of the casing. The core tube 2 is rotated/vibrated by a driving device 40 to excavate a soil. A soil sample is filled in the air tube 2, and the wall of the hole is protected by the casing.
Inventors:
FUKUMIYA KENJI
TAKASHIMIZU SUKEYUKI
TANAKA HIDENORI
IMAI SADAHIRO
TAKASHIMIZU SUKEYUKI
TANAKA HIDENORI
IMAI SADAHIRO
Application Number:
JP2005113679A
Publication Date:
October 26, 2006
Filing Date:
April 11, 2005
Export Citation:
Assignee:
TOA TONE BORING KK
International Classes:
E21B25/00; E02D1/04
Attorney, Agent or Firm:
Yoshikazu Ishii