发明名称 |
ALUMINUM JOINT PRODUCT, AND METHOD FOR MANUFACTURING ALUMINUM PIPE USED FOR ALUMINUM JOINT PRODUCT |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aluminum pipe having improved corrosion resistance and aluminum joint product which uses the pipe and has excellent joint strength. <P>SOLUTION: The aluminum joint product includes: an aluminum outer pipe, provided with a porous aluminum oxide film having 20-500 nm in thickness formed on the surface side and barrier-type aluminum oxide film having 3-30 nm in thickness formed on the base material side with a small hole having 5-25 nm in diameter formed in the porous aluminum oxide film; an aluminum inner pipe, provided, in the outer surface layer, with a porous aluminum oxide film having 20-500 nm in thickness formed on the surface side and a barrier-type aluminum oxide film having 3-30 nm in thickness formed on the base material side with a small hole having 5-25 nm in a diameter formed in the porous aluminum oxide film; and an adhesive layer jointing the aluminum outer pipe and the aluminum inner pipe. <P>COPYRIGHT: (C)2013,JPO&INPIT |
申请公布号 |
JP2012251653(A) |
申请公布日期 |
2012.12.20 |
申请号 |
JP20110127215 |
申请日期 |
2011.06.07 |
申请人 |
FURUKAWA-SKY ALUMINUM CORP |
发明人 |
HASEGAWA SHINICHI;KOJIMA YOICHI |
分类号 |
F16L13/10;B32B1/08;C25D11/00;C25D11/04;C25D11/06 |
主分类号 |
F16L13/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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