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Title:
管路の埋設構造及び埋設方法
Document Type and Number:
Japanese Patent JP7036614
Kind Code:
B2
Abstract:
To provide a burial structure of a duct line which can be constructed at low costs, and to provide a burial method.SOLUTION: The invention relates to a burial structure of a duct line which is buried in the ground and includes: a bent pipe unit including a bent pipe; a pair of connection units connected to both end parts of the bent pipe unit; a pair of straight pipe units connected to both end parts of the connection units and including at least one straight pipe; a first filler filling the periphery of the bent pipe unit in the ground; and a second filler filling peripheries of the connection units in the ground. The first filler or the second filler fills the peripheries of the straight pipe units in the ground. The first filler is formed by a material which fixes each unit in the ground and the second filler is formed by a material which allows movement of each unit in the ground.SELECTED DRAWING: Figure 6

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WO/1993/016911APPARATUS FOR ACCURATELY LAYING CONDUIT WITHIN A TRENCH AND METHOD OF USING THE SAME
WO/2020/078891METHOD FOR FILLING A TRENCH COMPRISING A PAIR OF CONDUITS AND SUCH A FILLED TRENCH
WO/2012/115803IMPROVED METHOD OF REPLACING AN UNDERGROUND PIPE
Inventors:
Shunji Azuma
Rin Nakamura
Application Number:
JP2018023601A
Publication Date:
March 15, 2022
Filing Date:
February 13, 2018
Export Citation:
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Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16L1/028; E03B7/00; F16L1/036
Domestic Patent References:
JP2002276853A
JP51146508U
Attorney, Agent or Firm:
Kenji Tachibana
Michiko Yamashita
Go Masuda



 
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