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Title:
TUNNEL CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2023134127
Kind Code:
A
Abstract:
To provide a tunnel construction machine which is neither too large nor too heavy and can efficiently carry out tunnel construction.SOLUTION: The present invention is configured as a tunnel construction machine (1) consisting of an erector (11) for grasping a shoring and erecting it, a basket (15) for carrying a worker, a spray nozzle (16) for spraying concrete, and a self-propelled vehicle (2) equipped with these. In the tunnel construction machine (1) of the present invention, the basket (15) and the spray nozzle (16) are provided on a common boom (18).SELECTED DRAWING: Figure 2

Inventors:
KATAYAMA MASAKAZU
Application Number:
JP2022039486A
Publication Date:
September 27, 2023
Filing Date:
March 14, 2022
Export Citation:
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Assignee:
TOYU ENG KK
ECO STICK CO LTD
International Classes:
E21D11/10; E21D11/40
Domestic Patent References:
JPH07217392A1995-08-15
JP2000248900A2000-09-12
JPH0810592Y21996-03-29
JPH01172596U1989-12-07
JP2020076283A2020-05-21
JP2001233597A2001-08-28
JPH03295999A1991-12-26
JPS5112931B11976-04-23
Attorney, Agent or Firm:
Hiromichi Sugitani
Yoshiaki Sugitani