Molded wood composites having improved horizontal contact nesting profile
US6602610B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2001 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31989
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A molded wood composite article man-made from wood fibers or wood particles on at least an upper, molded surface of the article, and a method of manufacturing the article to include a relatively uniform density, detailed design contours and textured aesthetics on one or more molded depression-interior inclined surfaces, while preventing embrittlement, softness and blistering of the article along the depression-interior inclined surfaces. These attributes are achieved by molding one or more depressions into an initially planar layer of cellulosic material, wherein the molded depressions have a length to depth ratio in the range of about 5.0 to about 8.5, and have one or more inclined walls that have upper surfaces, along essentially an entire inclined span, that include detailed design contours, including adjacent curved and planar portions, e.g., bead and cove. The inclined depression-interior molded walls, having upper surfaces that include the adjacent curved and planar contours, have a thickness or caliper measurement, measured normal to a tangent at any point along the upper (finished) contoured surface, that is smaller than the caliper so measured at horizontal, distal ends th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.