Metal working – Method of mechanical manufacture – Catalytic device making
Reexamination Certificate
2007-09-04
2007-09-04
Cozart, Jermie E. (Department: 3726)
Metal working
Method of mechanical manufacture
Catalytic device making
C029S458000, C029S527200, C428S615000, C427S245000
Reexamination Certificate
active
10870542
ABSTRACT:
A method of manufacturing a composite wall with an open cell metal foam core layer bonded to an inner cladding layer and an outer cladding layer. The method involves: creating a core substrate of open cell gas permeable foam in a chosen shape; impregnating the open cell foam substrate with metal vapour and depositing a porous layer of metal on exposed internal and external surfaces of the substrate thereby forming the open cell metal foam core through metal vapour deposition; and forming the inner and outer cladding layers upon the metal foam core through spray application of metal or ceramic.
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patent: 5499499 (1996-03-01), Ambrogi et al.
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patent: 747 124 (1996-12-01), None
patent: 0 921 210 (1999-06-01), None
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Brand Joseph
Dowhan Michael
Prociw Lev Alexander
Cozart Jermie E.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
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