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Title:
COATING ANTICORROSIVE STRUCTURE FOR STEEL STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2008/044434
Kind Code:
A1
Abstract:
A coating anticorrosive structure for steel pipe pile, comprising anticorrosive layer (2) provided on the surface of existing steel structure (10); and coating layer (4) with protective layer (3) provided on the external side of the anticorrosive layer (2), wherein the protective layer (3) is fixed on the external side of the anticorrosive layer (2) by means of rivet (5) of titanium metal. The ratio of breaking load between rivet body (50) and mandrel (51) of the rivet (5) satisfies the relationship rivet body : mandrel = 1 : 1.1 to 2.0. The rivet body (50) preferably consists of JIS type 1 to type 3 pure titanium, and the mandrel (51) preferably consists of JIS type 2 to type 4 pure titanium or JIS type 60 titanium alloy.

Inventors:
OHNO YASUHIKO (JP)
SHIZURU SHINSUKE (JP)
MORIKAWA TUTOMU (JP)
NAKAOKA TOSHIKAZU (JP)
Application Number:
PCT/JP2007/068104
Publication Date:
April 17, 2008
Filing Date:
September 18, 2007
Export Citation:
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Assignee:
NAKABOHTEC CORROSION PROTECT (JP)
OSAKA SEIKO LTD (JP)
NISSEN FASTENER CO LTD (JP)
OHNO YASUHIKO (JP)
SHIZURU SHINSUKE (JP)
MORIKAWA TUTOMU (JP)
NAKAOKA TOSHIKAZU (JP)
International Classes:
E02D31/06
Foreign References:
JP2003138592A2003-05-14
JP2001146912A2001-05-29
JPS63130546U1988-08-26
JP3003137U1994-10-18
Attorney, Agent or Firm:
HATORI, Osamu (8-6 Akasaka 1-chome,Minato-k, Tokyo 52, JP)
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