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Title:
シース接続口成形用挿入具、シース接続口の成形方法及びコンクリートセグメントの設置方法
Document Type and Number:
Japanese Patent JP6751694
Kind Code:
B2
Abstract:
To form a sheath connection port with a simple structure which resists displacement securely without concrete peeling damage.SOLUTION: On an insertion tool 410 for molding a sheath connection port are provided core material 411 which has a smaller outer diameter than the inner diameter of the opening end 3a of a pair of sheath connection pipes 3 embedded in the opposite positions on the end surface 2a of a pair of concrete segments 2 which are formed in a state of being butted to each other through a formwork 1 and on which the rubber sheet 13 is inserted in a state of being wound around the opening end of the pair of sheath connection pipes, and a diameter enlarging flange 411a which is connected to the core material, has a larger outer diameter than the outer diameter of the open end of the pair of sheath connection pipes and in contact with the formwork 1.SELECTED DRAWING: Figure 6A

Inventors:
Daisuke Sakai
Tomo Yamaguchi
Daiaki Yamanaka
Mitsuhisa Sakai
Ishizaki Tadayuki
Yoshihiro Kashima
Shuki Shibabe
Application Number:
JP2017189688A
Publication Date:
September 09, 2020
Filing Date:
September 29, 2017
Export Citation:
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Assignee:
Kurimoto Iron Works Co., Ltd.
Kashima Construction Co., Ltd.
International Classes:
B28B7/00; B28B7/10; B28B23/00; E01D1/00
Domestic Patent References:
JP3784923B2
JP7034117U
JP5116126A
JP2005001257A
JP3271466A
JP2014148870A
Attorney, Agent or Firm:
Maeda patent office