Method of molding an article with integral heat shield

Details Method of molding an article with integral heat shield Method of molding an article with integral heat shield

1992-09-28

1994-05-03

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264258, 264263, B29C 4514

Patent

active

053085710

ABSTRACT:
A fiber reinforced article having an integrally molded heat shield is produced using a liquid resin injection molding technique. One or more layers of heat shielding material are placed adjacent a preform. The preform contains a non-porous inner core and a porous fibrous mat exterior surface. The core is either a foam core, blow-molded core or a metal reinforced core. The heat shielding material is at least partially porous and includes a heat insulating material and/or a heat reflecting material. The heat shield also contains a layer of nonporous insulating material designed to prevent liquid resin from passing therethrough. The preform and heat shielding material are placed in a mold and resin is injected into the mold to impregnate the fibrous mat and partially impregnate the heat shielding material so that the heat shielding material is integrally molded to the product.

REFERENCES:
patent: 4676041 (1987-06-01), Ford
patent: 4891176 (1990-01-01), Drysdale et al.
patent: 5020687 (1991-06-01), Seizert
patent: 5045251 (1991-09-01), Johnson
patent: 5061418 (1991-10-01), Ware
patent: 5194212 (1993-03-01), Bonnett

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