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US 2003/0165709 A1Published application
Bright products obtained by continuous casting
AssigneeAlcoa Inc.
InventorsJose L Gazapo, Catalina Fernandez Rivera, Emilio Sanchez Suarez
Life of this patent
Estimating the term…
Abstract
A bright composite sheet product including a roll cast core and a clad material bonded to the core. The core is an aluminum alloy of the AA series 1XXX, 3XXX, 5XXX, or 8XXX, and the clad material contains at least 99.5 wt. % aluminum. The composite sheet products is particularly suited for use in lighting fixtures.
Claims20
A roll cast clad bright product comprising:
- a roll cast core comprising a first aluminum alloy, said first aluminum alloy being selected form the group consisting of AA series 1XXX, 3XXX, 5XXX and 8XXX;
- and
- a clad layer comprising a second aluminum alloy bonded to one side of said core, said second aluminum alloy comprising at least about 99.5 wt. % aluminum.
A roll cast clad bright product comprising:
- a roll cast core comprising a first aluminum alloy;
- and
- a clad layer comprising a second aluminum alloy bonded to one side of said core, wherein the solidus temperature of said first aluminum alloy is lower than the solidus temperature of said second alloy.
A roll cast clad bright product consisting essentially of:
- a roll cast core comprising a first aluminum alloy;
- and
- a clad layer comprising a second aluminum alloy bonded to one side of said core, said second aluminum alloy comprising at least about 99.5 wt. % aluminum.
Dependencies are inferred from the claim text.