发明名称 |
SINGLE-PIECE PROPELLER AND METHOD OF MAKING |
摘要 |
A method for making a propeller product is disclosed. The propeller is formed using polyurethane cores adhered to a laminate hub to form a core assembly. An encapsulating structural laminate skin is then formed on the core assembly using a resin-transfer-molding process to create a single-piece composite propeller. |
申请公布号 |
EP2257468(A4) |
申请公布日期 |
2014.03.12 |
申请号 |
EP20090716053 |
申请日期 |
2009.02.27 |
申请人 |
TEXTRON INNOVATIONS INC. |
发明人 |
BALL, DANNY;PFEIFFER, KEVIN |
分类号 |
B64C11/16;B29C70/06;B29C70/30;B64C11/20;B64C11/26 |
主分类号 |
B64C11/16 |
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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