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Title:
プレキャストコンクリート壁内埋設管の継手部材、プレキャストコンクリート壁内埋設管の継手構造及びプレキャストコンクリート壁の設置方法
Document Type and Number:
Japanese Patent JP7313209
Kind Code:
B2
Abstract:
To easily connect a connection opening, even if the connection opening of an embedded pipe is slightly deviated when a joint member of an embedded pipe in a precast concrete wall is connected to a precast concrete wall.SOLUTION: One end 4a of an embedded pipe 4 is connected, and an embedded pipe connecting portion 11 connected to the one end 4a of the embedded pipe 4 is provided. On the other end side of the embedded pipe connecting portion 11, a diameter-expanding portion 12 is provided, which is disposed at a connection opening 2b of the embedded pipe on a side surface 2a of a precast concrete wall 2 and gradually increases an outer diameter toward the side surface 2a. On an inner surface between the embedded pipe connecting portion 11 and the diameter-expanding portion 12, a cutoff portion 13 abutting on an outer peripheral surface of a connection hose 6 connected to a connection opening 2b of another precast concrete wall 2 adjacent to the precast concrete wall 2 in a press-contact state is provided.SELECTED DRAWING: Figure 1

Inventors:
Kazuharu Udagawa
Takeshi Kawamura
Shinya Fujimoto
Mitsuhisa Sakai
Application Number:
JP2019119267A
Publication Date:
July 24, 2023
Filing Date:
June 27, 2019
Export Citation:
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Assignee:
Kurimoto Iron Works Co., Ltd.
International Classes:
F16L7/02
Domestic Patent References:
JP2002030610A
JP2016098563A
JP2005188202A
JP2010090693A
JP2003013496A
JP7166650A
JP10252222A
Foreign References:
KR101515327B1
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office