Metal/polymer laminate ducting and method for making same
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United States of America Patent
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Sep 25, 2012
Grant Date -
Jul 31, 2008
app pub date -
Jan 31, 2007
filing date -
Jan 31, 2007
priority date (Note) -
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Abstract
A laminated duct structure for gas turbine engines, and a method for manufacturing laminated duct structures for gas turbine engines. The duct structure incorporates a metallic inner layer and a polymeric outer layer. Preferably, the thin metallic layer is a corrosion resistant material such as corrosion resistant stainless steel or titanium. The supporting outer polymeric layer is, in a preferred embodiment of the invention, a polyimide material, such as polyimide resin-impregnated fiberglass cloth.
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