Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1996-02-29
1997-08-05
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 464, 264 466, 264 50, 264129, 264148, 264151, 264260, 156 79, B29C 4424, B29C 4432
Patent
active
056539231
ABSTRACT:
This invention produces three-dimensional shapes such as window lineals by first lining a foam die with a continuously moving reinforcing veil. Once the veil is in the foam die, a foam is blown into the die. The foam expands in the die forcing the veil against the die wall. The veil is selected so that the foam never fully penetrates the veil, but adheres to it. The material exiting the foam die is now properly shaped to enter the curing die. Resin is then injected onto the foam core where it penetrates the veil, is cured in the heated curing die and exits as a finished product of a plastic skin adhered to a foam core with a veil sandwiched therebetween.
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Beaver Terry
Blinkhorn Arthur
Grinshpun Vyacheslav S.
Smith George
Spoo Kevin J.
Evans Linda S.
Gegenheimer C. Michael
Kuhns Allan R.
Owens--Corning Fiberglas Technology, Inc.
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