B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 23/00 (2006.01) B29C 53/80 (2006.01) B29C 63/10 (2006.01) B29C 70/52 (2006.01)
Patent
CA 2619981
A pultrusion method for forming a laminated composite with a predetermined profile and the product obtained. An apparatus is used that comprises at least two spools (2) for supplying elongated reinforcements (1). A collator (3) receives the elongated reinforcements (1) and arranges the reinforcements in layered relationship to form a layered elongated bundle (4). A supply member wets the layered elongated bundle with plastisol to form a wetted elongated bundle (8). The wetted elongated bundle (8) is transported through a pultrusion die (9) wherein the wetted layered bundle is molded into the predetermined profile. A curing section (11) cures, or converts, the wetted layered bundle (8) into the layered composite. A particularly preferred embodiment is an extrusion comprising a reinforcing material wherein said reinforcing material comprises a fiber reinforced plastisol.
L'invention concerne un appareil de pultrusion destiné à former un composite laminaire présentant un profil préétabli, et un produit obtenu par ce procédé. L'appareil comprend au moins deux bobines (2) distributrices de renforts allongés (1). Une machine à collationner (3) reçoit les renforts allongés (1) et les dispose en couches pour former un lot allongé en couches (4). Un élément distributeur humidifie le lot allongé en couches avec le plastisol pour former un lot allongé humide (8). Le lot allongé humide (8) est transporté à travers une filière de pultrusion (9) et le lot allongé humide est moulé pour former un profil préétabli. Une section de polymérisation durcit ou transforme le lot allongé humide en composite en couches. Un mode de réalisation particulièrement préféré est une extrusion qui comprend un matériau de renfort contenant un plastisol renforcé de fibres.
Gowling Lafleur Henderson Llp
Kusek Walter W.
LandOfFree
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