Title:
PIPELINE LAYING METHOD
Document Type and Number:
Japanese Patent JP2014141997
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pipeline laying method capable of surely lifting the end part of a carrying-in pipe, and capable of preventing the end part of the carrying-in pipe from dropping unexpectedly.SOLUTION: A carrying-in pipe 11 of a connection object is carried in a sheath pipe 1 by a truck 18, one end part of the carrying-in pipe 11 of the connection object is temporarily connected to an existing carrying-in pipe 11 laid in the sheath pipe 1, a pipe end lifting device 27 having a flexible pressing part 30 is mounted to the other end part of the carrying-in pipe 11 of the connection object, the pressing 30 is elongated, and the inner surface of the sheath pipe 1 is pressed by the pressing part 30. Consequently, the other end part of the carrying-in pipe 11 of the connection object is lifted from the truck 18, and the truck 18 is extracted from the lower part of the carrying-in pipe 11 of the connection object.
Inventors:
HAYAKAWA RYUTARO
MATSUMOTO MASAHIRO
KAMIYA SATOSHI
TAJIMA KAZUFUMI
MATSUMOTO MASAHIRO
KAMIYA SATOSHI
TAJIMA KAZUFUMI
Application Number:
JP2013009688A
Publication Date:
August 07, 2014
Filing Date:
January 23, 2013
Export Citation:
Assignee:
KUBOTA KOKEN KK
International Classes:
F16L1/00
Domestic Patent References:
JPS63259288A | 1988-10-26 | |||
JPS62147185A | 1987-07-01 | |||
JPS5977184A | 1984-05-02 | |||
JPS5590781A | 1980-07-09 |
Attorney, Agent or Firm:
Morimoto International Patent Office
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