プレキャストコンクリート壁内埋設管の継手部材、その使用方法、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

Title:

Document Type and Number:

Japanese Patent JP7390685

Kind Code:

B2

Abstract:

To provide a joint member for a precast concrete wall buried pipe which makes it possible to easily connect the buried pipes using a core even if adjacent precast concrete walls are connected by dropping.SOLUTION: A core 6 connecting connection opening ends 12, 22' for buried pipes 4, 4' of first and second precast concrete walls 2, 2' is press-fitted into a first buried pipe connecting part 10 into which a compression coil spring 7 is inserted; with a pull-out prevention member 30 engaged with insertion holes 14 and 15 to prevent the core 6 from coming off, a pair of precast concrete walls 2, 2'are lined up by dropping; the pull-out prevention member 30 is pulled out from the insertion holes 14 and 15 by pulling a tension member 31; the core 6 urged by the compression coil spring 7 connects the first connection opening end 12 and the second connection opening end 22; and thereby mortar fills between a joint between the first and second precast concrete walls 2, 2' and the outer peripheral surface of the core 6.SELECTED DRAWING: Figure 1

Inventors:

Yasushi Inamura
Tomoaki Nakano
Masamichi Murakami
Hiroyuki Senpuku
Takeshi Kawamura
Kazuharu Udagawa
Mitsuhisa Sakai
Masanobu Konishi

Application Number:

JP2020100387A

Publication Date:

December 04, 2023

Filing Date:

June 09, 2020

Export Citation:

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Assignee:

Kurimoto Iron Works Co., Ltd.
JFE Engineering Corporation
Keikon Co., Ltd.

International Classes:

E01D19/10; F16L25/00; H02G1/06; H02G9/06

Domestic Patent References:

JP62147192A
JP3834769B2
JP2018141341A
JP200230610A
JP2019157501A
JP2002146915A
JP200468381A

Attorney, Agent or Firm:

Patent Attorney Corporation Maeda Patent Office

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