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Composite metal panel

  • US 20030091856A1
  • Filed: 12/20/2002
  • Published: 05/15/2003
  • Est. Priority Date: 05/19/2000
  • Status: Active Grant
First Claim
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1. A rigid composite metal panel comprising at least two parallel metal members, selected from the group consisting of metal plate and metal sheet, secured to the peaks and troughs of a corrugated aluminium stiffener sheet arranged between said parallel metal members, wherein the corrugated aluminium stiffener sheet is made from an aluminium brazing sheet product comprising a core sheet made of an aluminium alloy having on at least one surface of said core sheet clad an aluminium alloy clad layer, the aluminium alloy clad layer being made of an aluminium alloy comprising silicon in an amount in the range of 2 to 18% by weight, and a layer comprising nickel on an outer surface of said aluminium alloy clad layer.

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