Title:
FIREPROOF PROTECTION PIPE, INSTALLATION METHOD OF FIREPROOF PROTECTION PIPE, AND FIREPROOF PROTECTION STRUCTURE
Document Type and Number:
Japanese Patent JP2018184993
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fireproof protection pipe excellent in workability and having sufficient fireproof performance.SOLUTION: A flexible pipe 3 is a resin-based corrugated pipe. The flexible pipe 3 has a slipt part 7 continuing to at least a part thereof in a longitudinal direction. Also, at a portion other than the split part 7, a hinge part 9 is formed. By the hinge part 9, the split part 7 of the flexible pipe 3 can be opened/closed. On an outer peripheral surface of the flexible pipe 3, a fireproof sheet 5 is arranged over the entire circumference. Further, the fireproof sheet 5 has a projection part 11 projecting from at least one edge part of the split part 7. In the vicinity of a tip part of the fireproof sheet 5, on an inner surface of the projection part 11, adhesive 13 protected by peeling 15 is arranged.SELECTED DRAWING: Figure 1
Inventors:
MIYAHARA TOSHIO
KIYOTA HIDEHISA
HIRANO KAZUTOSHI
KISUMINO YASUO
OTSUCHI KOJI
KOKUBU MASARU
MIYAKE YUJI
KIYOTA HIDEHISA
HIRANO KAZUTOSHI
KISUMINO YASUO
OTSUCHI KOJI
KOKUBU MASARU
MIYAKE YUJI
Application Number:
JP2017086858A
Publication Date:
November 22, 2018
Filing Date:
April 26, 2017
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD
FURUKAWA ELECTRIC POWER SYSTEMS CO LTD
FURUKAWA TECHNO MAT CO LTD
HIGASHI NIPPON RYOKAKU TETSUDO
FURUKAWA ELECTRIC POWER SYSTEMS CO LTD
FURUKAWA TECHNO MAT CO LTD
HIGASHI NIPPON RYOKAKU TETSUDO
International Classes:
F16L11/12; H02G9/00
Attorney, Agent or Firm:
Seiichi Inoue