A method for manufacturing, in a resin transfer molding process, a fiber-reinforced polymer object having an exterior surface with first and second portions, the method comprising the steps of providing a first mold with an inner surface, placing dry reinforcement material on the first mold inner surface,...http://www.google.com/patents/US5588392?utm_source=gb-gplus-sharePatent US5588392 - Resin transfer molding process
