Composite structures molding

Details Composite structures molding Composite structures molding

B - Operations, Transporting

29

D

18/919

B29D 22/00 (2006.01) B29D 99/00 (2010.01) B29C 43/32 (2006.01) B29C 70/44 (2006.01) B29C 70/54 (2006.01) B30B 5/02 (2006.01) B29C 43/12 (2006.01)

Patent

CA 2035413

Abstract of the Disclosure Composite Structures Molding A method and apparatus for molding hollow composite articles having a plurality of internal webs. A mandrel assembly apparatus comprising slidable sidewall members, an inflatable pressure membrane surrounding the length of the slidable sidewall members and actuator means mounted on the interior of the sidewall members for lateral displacement thereof together with the inflatable membrane. Adjacent mandrel assemblies accurately position the internal webs of the composite article mechanically, while the inflatable membranes serve to compact the web laminates. The expandable feature of the present invention also prevents bridging or tearing of the pressure membrane associated with the formation of inner corner radii. - 11 -

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