Laying manner of the wiring pipe arrangement material to the inside of pipe, this laying device and tube null for the wiring pipe arrangement which is used for this

摘要

PURPOSE: To provide a pipe for wiring or piping which can easily pass a pull-in tool into the pipe and can perform the wiring or piping work efficiently without being hindered by time wiring or piping material such as an already wired or piped cable, fluid pipe, etc., inside the pipe for wiring or piping such as a cable duct, a protective pipe, etc. ;CONSTITUTION: This pipe is equipped, continuously in a longitudinal direction, with a storage pipe 11, which stores wiring or piping material, and a hollow passage 12, which has a slit 13 continuously fronting on this storage 11 and in which to pass a pulling-in tool 20 coupled with a wiring or piping material or a pull-in rope for pulling in the wiring or piping material.;COPYRIGHT: (C)1993,JPO&Japio