B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/48 (2006.01) B29C 51/00 (2006.01) B29C 70/08 (2006.01) B29C 70/44 (2006.01) B29C 70/54 (2006.01) B29C 70/86 (2006.01) B32B 5/18 (2006.01) B32B 27/04 (2006.01) B32B 27/08 (2006.01) B32B 27/30 (2006.01) B32B 27/40 (2006.01)
Patent
CA 2512541
The invention relates to composite molded articles having a smooth, attractive thermoplastic surface. The invention also relates to a method having improved efficiency and reduced emission of hazardous air pollutants for making composite molded articles comprising a composite fiber reinforcement, thermosetting resin material having a thermoplastic exterior layer. The method comprises the steps of: (a) placing in a spaced apart relationship a first mold half comprising a first shaped ,mold membrane (5) and a second mold half (3) comprising a second shaped mold membrane (7) wherein the first and second shaped mold membranes define a mold plenum when brought together to mold articles; (b) placing a thermoplastic sheet (25) in the mold plenum wherein the shape of the thermoplastic sheet substantially conforms to the shape of the mold membrane; (c) placing reinforcement material (33) in the mold plenum; (d) closing the first and second mold halves such that the thermoplastic sheet.
L'invention concerne des articles composites moulés possédant une surface thermoplastique attractive lisse. L'invention concerne également un procédé à efficacité améliorée et à émission réduite de polluants dangereux de l'air qui permet de produire des articles composites moulés comprenant un renforcement composite de fibres, et un matériau de résine thermodurcissable doté d'une couche thermoplastique extérieure.
Clark Richard Eugene
Mccollum Robert P.
O'hara Jeffrey J.
Sidi Shiraz
Fetherstonhaugh & Co.
Vec Industries L.l.c.
Vec Technology Inc.
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