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US 2004/0170808 A1Published application
Composite articles formed from sheets having interconnecting ridges
OwnerGary Lascellesinventor
Life of this patent
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Abstract
A composite article of manufacture formed from at least three sheets of material laminated to one another. At least one surface of each of the sheets has a plurality of spaced-apart ridges which extend in a predetermined direction along the surface, and each of the pluralities of ridges is arranged so as to nest between a plurality of ridges on an adjacent sheet.
Claims4
A composite article of manufacture formed from at least three sheets of material laminated to one another, wherein:
- each of said sheets has first and second surfaces;
- at least one surface of each of said sheets has a plurality of spaced-apart ridges which extend in a predetermined direction along said at least one surface;
- each of said pluralities of ridges are arranged so as to nest between a plurality of ridges on an adjacent sheet;
- and
- said pluralities of ridges extend in at least two different predetermined directions.
2 more elements
Dependencies are inferred from the claim text.