Title:
RAIL FOR CARRYING-IN PIPE BODY
Document Type and Number:
Japanese Patent JP3433146
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a rail for carrying in a pipe body, capable of supplying a fluid such as water and mortar into a tunnel.
SOLUTION: Connections of a pipe rail 1 for a rail unit 3 to be connected are sealed to form a fluid passage in the pipe rail 1, whereby a fluid such as water is supplied to a tunnel for easily washing the tunnel without guiding a long hose into the tunnel.
Inventors:
Hitoshi Yamamura
Application Number:
JP31399199A
Publication Date:
August 04, 2003
Filing Date:
November 04, 1999
Export Citation:
Assignee:
Mutual Trading Co., Ltd.
International Classes:
E21D11/40; E01B23/00; E01B23/02; E21F13/02; (IPC1-7): E01B23/02; E21D11/40; E21F13/02
Domestic Patent References:
| JP7145602A | ||||
| JP2000320779A | ||||
| JP5984050U |
Attorney, Agent or Firm:
Bunji Kamata (2 outside)
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