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Patent

Composite sandwich panel type construction

L Niebylski
TLDR
A COMPOSITE SANDWICH PANEL CONSTRUCTION as discussed by the authors has two outer layers attached to OPPOSITE sides of the same CORE, with Z-shaping REINFORCING.
Abstract: 
A COMPOSITE SANDWICH PANEL TYPE CONSTRUCTION COMPRISING TWO INDEPENDENT OUTER LAYERS ATTACHED TO OPPOSITE SIDES OF FOAMED METAL CORE, SAID CORE HAVING Z-SHAPED REINFORCING ELEMENTS THEREIN. A PREFERRED PANEL CONSTRUCTION HAS ONE OUTER LAYER EXTENDING AROUND SAID FOAMED METAL CORE SO AS TO SUBSTATALLY ENCASE SAID CORE, METHODS OF FABRICATING SUCH A PANEL CONSTRUCTION (1) BY CASTING SAID FOAMED ALUMINUM AROUND SAID REINFORCING ELEMENTS AND SUBSEQUENTLY ATTACHING SAID OUTER LAYERS TO THIS INTERAL METAL FOAM/REINFORCING ELEMENT CORE STRUCTURE, AND (2) BY FIRST PREPARING SAID CORE FROM INDIVIDUAL METAL FOAM PIECES WHICH ARE THEN ATTACHED TO PERFORMED Z-SHAPED REINFORCING ELEMENTS, SAID ASSEMBLED CORE STRUCTURE THEN HAVING THE OUTER LAYERS ATTACHED THERETO. COMPARED TO THE COMPOSITE SANDWICH PANEL CONSTRUCTION HAVING NO Z-SHAPED REINFORCING ELEMENTS IN SAID CORE, THE PRESENT CONSTRUCTION HAS SUBSTANTIALLY IMPROVED STRENGTH.

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