发明名称 |
PROPELLER FOR WATERCRAFT AND OUTBOARD MOTOR |
摘要 |
A propeller for watercraft having excellent abrasion resistance includes a propeller body having a blade and a hub portion, the propeller body being molded by casting an aluminum alloy, and an anodic oxide coating provided so as to cover a surface of the propeller body, the anodic oxide coating being obtained by performing a blast treatment for the surface of the propeller body and thereafter subjecting the surface to anodic oxidation.
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申请公布号 |
US2008050990(A1) |
申请公布日期 |
2008.02.28 |
申请号 |
US20070840254 |
申请日期 |
2007.08.17 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
KITSUNAI TORU;MANABE MORIMITSU;KURIMOTO YUKIHIRO |
分类号 |
B63H20/08;B63B17/00;B63H1/14 |
主分类号 |
B63H20/08 |
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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