Pultruded profiles

B - Operations – Transporting – 29 – C

Patent

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B29C 47/02 (2006.01)

Patent

CA 2051220

Pultruded profiles are manufactured at a die station (8) which is fed with resin via a pump (27). The core of the profile is formed by granular material fed to station (8) from a hopper 10 through the interior of a hollow duct (13) which is essentially vertically disposed, above the station (8), so that the granular material is moYed under the influence of gravity. The exterior surface of duct (13) is profiled and the skin forming materials (9,9A) for the profile are guided by the profiled surface to the die station (8). The skin forming materials ara runs of cloth. The pultruded profile may be tubular or hollow so that it has both an external surface and an internal surface in which case the internal surface incorporates a further resin bonded cloth fed to the interior of the die station over the external surface of a mandrel.

Profilés pultrudés fabriqués dans une filière (8) alimentée en résine par une pompe (27). Le coeur du profilé est formé par un matériau granulaire fourni à la filière (8) à partir d'un trémis 10 et par le biais d'un conduit creux (13), essentiellement placé en position verticale, au-dessus de la filière (8), de sorte que le matériau granulaire se déplace sous l'effet de la gravité. La surface extérieure du conduit (13) est effilée et les matériaux formant une peau (9, 9A) pour le profilé sont dirigés par la surface effilée vers la filière (8). Les matériaux formant une peau constituent des longueurs de tissus. Le profilé pultrudé peut être tubulaire ou creux de sorte qu'il possède une surface externe et une surface interne, dans quel cas la surface interne comprend une autre couche de tissu lié par la résine, alimenté à l'intérieur de la filière sur la surface externe d'un mandrin.

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