Improvements in or relating to moulding materials

Details Improvements in or relating to moulding materials Improvements in or relating to moulding materials

C - Chemistry, Metallurgy

08

J

C08J 5/24 (2006.01) B29B 15/10 (2006.01) B29B 15/12 (2006.01) B29C 70/54 (2006.01) B44C 5/04 (2006.01)

Patent

CA 2445149

A moulding material (10) comprising a fibrous layer (12) carrying resinous material (14) to have at least one area (16a, 16b, 16c and 16d) of relatively high resin content and at least one other area (18a, 18b and 18c) of relatively low resin content (18a, 18b and 18c) defined on a surface (20) of the fibrous layer (12) such that upon curing or partial curing resin from the said relatively high resin content area(s) (16a, 16b, 16c and 16d) moves over the relatively low resin content area(s) (18a, 18b and 18c) to provide a substantially even distribution of resin between the areas.

L'invention concerne un matériau de moulage (10) comprenant une couche fibreuse (12) porteuse d'un matériau résineux (14) permettant de présenter au moins une zone (16a, 16b, 16c et 16d) à teneur en résine relativement élevée et au moins une autre zone (18a, 18b et 18c) à teneur en résine relativement faible (18a, 18b et 18c) définies sur une surface (20) de la couche fibreuse (12), de manière qu'au moment du séchage ou du séchage partiel, la résine provenant des zones à teneur en résine relativement élevée (16a, 16b, 16c et 16d) se déplace sur les zones à teneur en résine relativement faible (18a, 18b et 18c), en vue d'obtenir une distribution égale de résine entre les zones.

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