Method of manufacturing a trim panel having a styling line

Details Method of manufacturing a trim panel having a styling line Method of manufacturing a trim panel having a styling line

1993-07-12

1995-03-28

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264259, 264273, 264266, 156245, B29C 4514, B29C 4400

Patent

active

054014492

ABSTRACT:
An automotive door panel that has styling lines is made by laying a facing layer of soft trim material on a support surface of a mold part. The facing layer has a backing layer of open cell flexible foam that has gaps that expose strips on the back surface of the facing layer. A heat-sensitive adhesive barrier film is behind the flexible foam backing layer. The mold is closed by a mating mold part and a urethane precursor mixture is injected into the closed mold which is heated to generate a structural substrate. The generating substrate crushes the backing layer and activates the adhesive film to bond the structural substrate to the exposed back surface strips of the facing layer to provide the styling lines. These styling lines are enhanced when the foam backing layer recovers upon removal from the mold.

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