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 |
US8221084(B2) |
申请公布日期 |
2012.07.17 |
申请号 |
US20080039458 |
申请日期 |
2008.02.28 |
申请人 |
BALL DANNY;PFEIFFER KEVIN;TEXTRON INNOVATIONS INC. |
发明人 |
BALL DANNY;PFEIFFER KEVIN |
分类号 |
B64C27/46 |
主分类号 |
B64C27/46 |
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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