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 代理人
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