Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1994-11-07
1996-12-03
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 454, 264 455, 264 464, 264 466, 264126, 264255, 264257, 264302, 264308, B29C 4406, B29C 4412
Patent
active
055805019
ABSTRACT:
An interior trim panel comprises a flexible polyurethane skin layer, an intermediate resilient polyurethane foam layer and a rigid polyurethane foam substrate. The flexible polyurethane skin layer and intermediate resilient polyurethane foam layer are formed as an expanded thermoplastic urethane (TPU) shell in a slush molding process. The rigid polyurethane foam substrate is then foamed in place on the shell in a substrate forming mold. This produces an environmentally friendly, long lasting interior trim panel that can be manufactured economically without any need for plasticizers or adhesive coatings.
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Gallagher Michael J.
Humphrey William
Salisbury Wayne C.
Syphers David W.
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