Composite molding apparatus for high pressure co-cure molding of

Details Composite molding apparatus for high pressure co-cure molding of Composite molding apparatus for high pressure co-cure molding of

1992-12-23

1994-10-11

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Preform assembly means and means for bonding of plural...

Reshaping means utilizing fluid pressure directly contacting...

156285, 156382, 249 83, 264511, 425394, 425403, 428116, B29C 3318

Patent

active

053541952

ABSTRACT:
A composite molding apparatus for high pressure co-cure molding of lightweight honeycomb core composite articles having ramped surfaces utilizing low total density, stabilized ramped honeycomb cores. The composite molding apparatus is a semi-rigid molding assembly that includes a rigid base member and a complementary semi-rigid mold member that is formed from a combination of layers of fiber-reinforced elastomeric material and unreinforced elastomeric material. The semi-rigid mold member further includes internal rigid reinforcement inserts formed from a structurally rigid material and having a configuration that matches the configuration of the ramped surfaces of the honeycomb composite article. The rigid reinforcement inserts are interleaved between the layers of fiber-reinforced elastomeric material and/or unreinforced elastomeric material forming the semi-rigid mold member. The rigid reinforcement inserts of the semi-rigid mold member provide symmetric pressure distribution over the ramped surfaces of the honeycomb core and the overlayed composite prepregs during the high pressure co-cure process.

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