Back to results
US 2011/0256370 A1Published application
Laminate of metal sheets and polymer
AssigneeAlcoa Inc.
InventorsGeerardus Hubertus Joannes Jozeph Roebroeks, Jan Willem Gunnink
Life of this patent
Estimating the term…
Abstract
The invention relates to a laminate of metal sheets and fiber-reinforced polymer layers connected thereto. The laminate comprises at least one thick metal sheet with a thickness of at least 1 mm that is connected to the rest of the laminate by means of at least one fiber-reinforced polymer layer, the fiber volume content of which is at most 45 volume-%. The invention also relates to a method for producing the laminate as well as skin sheets reinforced with the laminate for an aircraft or spacecraft.
Claims11
A structure comprising:
- at least a first metal layer having a constant thickness of at least about 1.5 mm;
- and
- at least a second metal layer having a constant thickness of at least about 1.5 mm,
- wherein the first metal layer and the second metal layer are connected to each other by a fiber-reinforced epoxy prepreg having a fiber volume content not exceeding about 39%.
1 more element
Dependencies are inferred from the claim text.