Method and device for producing a sandwich board

The method for producing a sandwich board having a core layer or a middle layer (14) arranged between two cover layers, comprises fixedly connecting the core- or middle layer with the cover layers, where the middle layer is area-wisely formed in such a way that the middle layer forms a defined cavit...

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Bibliographische Detailangaben
Hauptverfasser: WAAS, THOMAS, WAAS, ALFRED
Format: Patent
Sprache:eng ; fre ; ger
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