METHOD OF CONSTRUCTING INFORMATION CORRESPONDENCE PIPE, CONSTRUCTED STRUCTURE, AND CONSTRUCTION MEMBER

Title:

METHOD OF CONSTRUCTING INFORMATION CORRESPONDENCE PIPE, CONSTRUCTED STRUCTURE, AND CONSTRUCTION MEMBER

Document Type and Number:

WIPO Patent Application WO/2003/044918

Kind Code:

A1

Abstract:

It is an object to provide a method of constructing an information correspondence pipe by easily laying a communications cable in an underground pipe line in the form of a main pipe with branch pipes, which underground pipe line can be used as an information correspondence pipe; a constructed structure; and a construction member. And the method of constructing an information correspondence pipe according to the invention comprises the steps of inserting a sheath pipe (1) into an underground pipe line (17, 7) through insertion holes (9, 10), which sheath pipe has a main body (3) formed with a space (2) for receiving a communications cable (6) and a high-strength low-stretchability material (4) integrally formed in the main body (3) along the direction of the length of the main body (3), fixing the high-strength low-stretchability material (4) to the inner walls of the insertion holes (9, 10) by applying tension thereto, and fixing the sheath pipe (1) substantially in the upper region of the underground pipe line (17, 7).

Inventors:

TSUCHIYA FUMIAKI (JP)
YAGI ISABURO (JP)
YAMAKAWA MASARU (JP)
UEDA YASUHIRO (JP)
ISHIZUKA OSAMU (JP)
ASO KOJI (JP)
MAEMOTO YUKIKAZU (JP)
HIROKAWA TAKAAKI (JP)
NAKATSUKA HIROFUMI (JP)

Application Number:

PCT/JP2002/012224

Publication Date:

May 30, 2003

Filing Date:

November 22, 2002

Export Citation:

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Assignee:

SANKI ENG CO LTD (JP)
ASHIMORI IND CO LTD (JP)
ASHIMORI ENG CO LTD (JP)
TSUCHIYA FUMIAKI (JP)
YAGI ISABURO (JP)
YAMAKAWA MASARU (JP)
UEDA YASUHIRO (JP)
ISHIZUKA OSAMU (JP)
ASO KOJI (JP)
MAEMOTO YUKIKAZU (JP)
HIROKAWA TAKAAKI (JP)
NAKATSUKA HIROFUMI (JP)

International Classes:

G02B6/50; H02G1/06; H02G1/08; H02G9/06; G02B6/44; (IPC1-7): H02G1/06; H02G9/06

Foreign References:

JPH11318016A	1999-11-16
JPH11122774A	1999-04-30
JPH0491611A	1992-03-25
JPH04199105A	1992-07-20
JPH11311369A	1999-11-09
JPH10110868A	1998-04-28
JP2000291744A	2000-10-20
JPS59104607A	1984-06-16

Other References: