JOINT MECHANISM AND CONNECTION METHOD FOR STEEL PIPE

WIPO Patent Application WO/2016/132650

A1

The present invention achieves simplification and a reduction in the cost of a structure for connecting a pair of steel pipes. This joint mechanism for a pair of steel pipe piles 1A, 1B is provided with: an inner joint 10A provided in steel pipe pile 1A; an inner joint 10B; an outer joint 20 that is provided around the inner joint 10A of steel pipe pile 1A and the inner joint 10B of steel pipe pile 1B, spanning said joints; and a key member 30 for preventing the pair of steel pipe piles 1A, 1B from moving relative to each other in a steel pipe pile 1 length direction. The outer joint 20 is provided with an opening 22 (22A, 22B) for inserting, from the outer peripheral surface of the outer joint 20, a divided key member 31, which constitutes a key member 30, into a key groove which is composed of outward-facing peripheral grooves 13 (13A, 13B), which are provided in the outer peripheries of inner joint 10A and inner joint 10B, and inward-facing peripheral grooves 23 (23A, 23B), which are provided in the inner periphery of the outer joint 20 and face the outward-facing peripheral grooves 13 (13A, 13B).

JP3742628

Construction method of suction pile

SUZUKI TOMOYUKI (JP)
KIKUCHI SHUNSUKE (JP)
TOYAMA MASASHI (JP)
NAGASHIMA TAKESHI (JP)
YAMAMOTO HIROYUKI (JP)

PCT/JP2015/085892

August 25, 2016

December 22, 2015

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KUBOTA KK (JP)

E02D5/24; E02D5/28

JP2008231732A	2008-10-02
JP2012067599A	2012-04-05
JP2014205952A	2014-10-30
JP2006291543A	2006-10-26
JP2005002598A	2005-01-06
JP2000328557A	2000-11-28

R&C IP LAW FIRM (JP)
Patent business corporation R&C (JP)

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