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US 2004/0175554 A1Published application
Structural panel and method of manufacture
AssigneeDofasco Inc.
InventorDavid D'Arcy Clifford
Life of this patent
Estimating the term…
Abstract
A fibrous core material is disposed between and bonded to metal skins to form a structural laminate having comparable strength to steel sheets of greater weight.
Claims21
A structural laminate comprising:
- first and second skins of sheet metal, each of said skeins having a thickness of at least about 0.005 in.;
- a fibrous core disposed between said skins of sheet metal;
- and
- said fibrous core being bonded to said skins of sheet metal.
1 more element
A method of forming a structural laminate comprising:
- providing first and second skins of sheet metal, each of said skins having a thickness of at least about 0.005 in.;
- providing a fibrous core;
- and
- adhesively bonding said fibrous core to said skins such that said fibrous core is disposed between said skins.
1 more element
A method of forming a non-planar laminate comprising the steps of:
- providing first and second skins of sheet metal, each of said skins having a thickness of at least about 0.005 in.;
- providing a fibrous core;
- placing said fibrous core between said skins and in contact therewith thereby creating a laminate structure;
- and
- metal forming said laminate structure to form said non-planar laminate.
2 more elements
Dependencies are inferred from the claim text.