Title:
掘削用桟橋
Document Type and Number:
Japanese Patent JP7121664
Kind Code:
B2
Abstract:
To provide a pier for drilling capable of drilling a central deep drilling portion without stopping the construction of a working face, and having high construction efficiency.SOLUTION: A pier 1 for drilling of the present application includes: a jetty main body 10 having a drilling window 16 that can surround the upper portion of a drilling position in the ground, and a base portion 11 that is adjacent to the drilling window 16 in the depth direction; and a slide floor 20 which is disposed on the top of the jetty main body 10 so as to be horizontally slidable. The pier 1 for drilling is characterized in that by covering the upper portion of the drilling window 16 with the slide floor 20, it is possible to configure a vehicle passage that passes through the base portion 11 and the upper portions of the slide floor 20.SELECTED DRAWING: Figure 2
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Inventors:
Masahiko Kobayashi
Application Number:
JP2019001137A
Publication Date:
August 18, 2022
Filing Date:
January 08, 2019
Export Citation:
Assignee:
Toko Co., Ltd.
International Classes:
E21D9/00
Domestic Patent References:
| JP6173574A | ||||
| JP2004052372A | ||||
| JP2018155020A | ||||
| JP49073825A | ||||
| JP56134993U |
Attorney, Agent or Firm:
Sakuo Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi