Patent · US Expired

Oriented strand board-fiberboard composite structure and method of making the same

US5525394A · kind A · utility

44Cited by
24References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 4, 1995
Grant dateJun 11, 1996
Priority date
Expiry dateJan 4, 2015

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.