Composite elements

Details Composite elements Composite elements

B - Operations, Transporting

32

B

B32B 3/18 (2006.01)

Patent

CA 2542062

The invention relates to composite elements which have the following layer structure: (i) 2 - 20 mm metal, plastic or wood, (ii) 10 - 300 mm polyisocyanate polyaddition products, (iii) 2 - 20 mm metal, plastic or wood, whereby layer (ii) contains prefabricated polyisocyanate polyaddition products (x), which are connected to layers (i) and (iii) in an adhesive manner by polyisocyanate polyaddition products (xx). The polyisocyanate polyaddition products (x) are pieces having a volume of between 4 cm3 and 1000 cm3.

L'invention concerne des éléments composites qui présentent la structure lamellaire suivante : (i) entre 2 et 20 mm de métal, de matière plastique ou de bois, (ii) entre 10 et 300 mm de produits de polyaddition de polyisocyanate, (iii) entre 2 et 20 mm de métal, de matières plastique ou de bois. La couche (ii) contient des produits de polyaddition de polyisocyanate (x) préfabriqués, qui sont liés, par des produits de polyaddition de polyisocyanate (xx), aux couches (I) et (iii), de manière à adhérer. Les produits de polyaddition de polyisocyanate (x) sont des morceaux de volume compris entre 4 et 1.000 cm?3¿.

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