Title:
INNER PIPE FOR INSERTION AND INSERTION METHOD
Document Type and Number:
Japanese Patent JP2019161684
Kind Code:
A
Abstract:
To provide an inner pipe for insertion and an insertion method allowing sure insertion of the fire-resistant inner pipe for insertion inside a pipeline with a cable installed therein.SOLUTION: An inner pipe 106 for insertion of the present invention is inserted inside a pipeline 102 with an OF cable 104 installed therein, formed of a fire-resistant material, and having a half-split structure sandwiching the OF cable inside.SELECTED DRAWING: Figure 2
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Inventors:
KITO KAZUKI
YOSHIMOTO MASAHIRO
ADACHI RINKAI
SUGISHIMA MASAKI
SEYA FUJIO
TAKAMURA MASAKAZU
YOSHIMOTO MASAHIRO
ADACHI RINKAI
SUGISHIMA MASAKI
SEYA FUJIO
TAKAMURA MASAKAZU
Application Number:
JP2018040454A
Publication Date:
September 19, 2019
Filing Date:
March 07, 2018
Export Citation:
Assignee:
TOKYO ELECTRIC POWER CO HOLDINGS INC
STEC CO LTD
JOBAN BORING KK
KOYO KK
STEC CO LTD
JOBAN BORING KK
KOYO KK
International Classes:
H02G1/06; F16L9/17; H02G9/04
Domestic Patent References:
| JP2007124794A | 2007-05-17 | |||
| JP3125862U | 2006-10-05 | |||
| JP2000224744A | 2000-08-11 | |||
| JP2014096870A | 2014-05-22 |
Attorney, Agent or Firm:
Kosuke Tobita
Daisuke Suzuki
Patent business corporation aqua patent office
Daisuke Suzuki
Patent business corporation aqua patent office