Patent ID: 9156207
Filing Date: 2015-10-13
Classification: B29C,E04C,Y10T

Abstract:
1. A process for producing a reinforced sandwich structure comprising stacked in height direction thereof, at least one top layer and at least one bottom layer comprising a fibrous reinforcing material, which top and bottom layer sandwich between them at least one core of a foamed material, which sandwich structure is impregnated with a resin material, characterised in that the process comprises the steps of: forwarding the core material, forwarding the top and bottom layer of fibrous reinforcing material along opposite top and bottom faces of the core material to form a multi layer laminate, inserting a plurality of inserts in longitudinal and/or transversal direction of the core material, wherein the insert comprises at least one core of the insert comprising plastic, metal, or a mixture of both, said core of the insert enveloped in at least one sheet of a fibrous reinforcing material, and interconnecting the top and bottom layers and the sandwich core having the plurality of inserts inserted therein by applying reinforcing fibres at least part of which extend in height direction of the laminate.