Method of treating fiber-reinforced plastic articles

B - Operations – Transporting – 29 – C

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B29C 73/26 (2006.01) B29C 71/00 (2006.01) B29C 73/00 (2006.01) B29C 73/32 (2006.01) B63B 5/24 (2006.01) B63B 9/00 (2006.01)

Patent

CA 2359006

To treat FRP moulded products, such as boat hulls (10), where the structure of the FRP laminate has been damaged, e.g. by water penetration, a layer of impermeable sheet material (18) is first secured to a surface of the product to be treated to enclose a space between the surface and the layer. The contents of the space are continuously evacuated, for example by a vacuum pump (38), and then heating is applied within the space. A spacer (30) is provided within the space to hold the sheet material away from the surface when vacuum is applied.

Pour traiter des produits moulés en plastique renforcé, tels que des coques de bateau (10), dont la structure du stratifié de plastique renforcé a été endommagée, notamment par une infiltration d'eau, on commence par fixer une couche de matériau en feuille imperméable (18) à une surface du produit devant être traité afin de circonscrire un espace situé entre la surface et la couche. Le contenu de cet espace est continuellement évacué, notamment par une pompe à vide (38), puis l'intérieur de cet espace est réchauffé. Un séparateur (30) disposé à l'intérieur de cet espace permet de maintenir le matériau en feuille à distance de la surface lorsqu'un vide est créé.

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