Oriented strand board-fiberboard composite structure and method of making the same
US5425976A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1993 |
| Grant date | Jun 20, 1995 |
| Priority date | — |
| Expiry date | Jul 26, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31989
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An oriented strand board product is provided. The board is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands oriented generally in a random or cross-machine direction and each adjacent layer is comprised of coarse and fine wood strands oriented generally in the machine direction and wherein the wood strands comprising each adjacent layer are formed with the coarsest strands located nearest the core layer and the finest strands are located nearest the outer surfaces of each outer board layer. The OSB board product is clad with a dry felted wood fiber overlay on one planar surface of the baseboard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.