Pultrusion mandrel with integral, intercooled resin injector and method of using the same

摘要

An exemplary pultrusion mandrel of the invention comprises a first portion for arranging a fiber reinforcement substrate thereabout, a second portion having an elongated body and internal heater, and a resin injector system intermediate therebetween and having a plurality of resin injector ports integrally disposed at different angles for wetting inward surfaces of the substrate being formed. The mandrel is preferably used in conjunction with an external die. Also disclosed is an exemplary method for continuous pultrusion.