| 摘要 |
<p>The invention is directed to a sheet-like sandwich material provided with a local reinforcement, comprising a core material sandwiched between two reinforced top layers, which core material is a thermoplastic, foamed core material or a core material having a honeycomb structure, and which top layers consist of a thermoplastic synthetic plastics material reinforced with fibres, preferably in the form of a woven fabric, a knitted fabric, a fibrous web, or unidirectionally applied fibres, and at least one local reinforcement consisting of an amount of plastic material injected under pressure into the core material through one of the top layers, and which plastic material has hardened after injection and to a process for providing local reinforcement in a sheet-like sandwich material.</p> |
