Title:
INNER DUCT FOR ADDITIONAL INSTALLATION
Document Type and Number:
Japanese Patent JP2002271931
Kind Code:
A
Abstract:
To facilitate additional installation of a cable.
An inner duct containing a plurality of conduits in it is laid in an existing conduit. As one cable is installed in one conduit in the inner duct, entangling of cables can be avoided.
Inventors:
TODO SATOSHI
UBUKATA YASUSHI
UBUKATA YASUSHI
Application Number:
JP2001063499A
Publication Date:
September 20, 2002
Filing Date:
March 07, 2001
Export Citation:
Assignee:
MITSUBISHI CABLE IND LTD
International Classes:
F16L7/00; H02G1/06; H02G9/06; (IPC1-7): H02G1/06; F16L7/00; H02G9/06