Title:
地中埋設管の防護構造および防護方法
Document Type and Number:
Japanese Patent JP6814575
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a protection structure and projection method of an underground pipe, capable of properly and surely preventing breakage or damage of the underground pipe from an excavator.SOLUTION: There is provided a protection structure of an underground pipe characterized in that an upper surface and both side surfaces of the underground pipe are covered with a protection material extending along the pipe axial direction of the underground pipe with an interval between itself and the underground pipe. There is also provided a protection method of the underground pipe, including a step of laying the protection material extending along the pipe axial direction of the underground pipe around the underground pipe so as to cover the upper surface and both side surfaces of the underground pipe with the interval between the protection material and the underground pipe.SELECTED DRAWING: Figure 2
Inventors:
Takahiro Matsui
Taiichi Okada
Saito Yusuke
Megumi Okamoto
Shingo Yamamoto
Kazuhiro Hosono
Kohei Hase
Taiichi Okada
Saito Yusuke
Megumi Okamoto
Shingo Yamamoto
Kazuhiro Hosono
Kohei Hase
Application Number:
JP2016175471A
Publication Date:
January 20, 2021
Filing Date:
September 08, 2016
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
E.I.DU PONT DE NEMOURS AND COMPANY
Toho Gas Co., Ltd.
E.I.DU PONT DE NEMOURS AND COMPANY
Toho Gas Co., Ltd.
International Classes:
F16L1/11; E03F3/02; F16L57/00
Domestic Patent References:
| JP2001311131A | ||||
| JP10152828A | ||||
| JP5079160U | ||||
| JP6043461U | ||||
| JP2009041738A | ||||
| JP2011114940A |
Foreign References:
| US5962809 | ||||
| KR100673485B1 | ||||
| KR1020100118369A |
Attorney, Agent or Firm:
Toshimitsu Ban
Koichi Hosoda
Koichi Hosoda