Resin transfer molding process

Details Resin transfer molding process Resin transfer molding process

B - Operations, Transporting

29

C

B29C 45/02 (2006.01) B29C 45/14 (2006.01) B29C 70/48 (2006.01) B63B 5/24 (2006.01) B63B 9/06 (2006.01)

Patent

CA 2170106

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, providing a second mold including at least one flexible portion with an inner surface having the shape of the object first exterior surface portion, and the second mold also including at least one rigid portion with an inner surface having the shape of the object second exterior surface portion, placing the second mold over the dry reinforcement material to define a space between the first mold inner surface and the inner surfaces of the flexible and rigid portions, reducing the pressure, relative to ambient pressure, in the space between the molds, injecting resin into the space, and curing the resin.

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