Patent ID: 8652292
Filing Date: 2014-02-18
Classification: B27H,B27M,E04C,Y10T

Abstract:
1. A process for producing a curved wood piece having a desired radius of curvature and a desired direction of curvature longitudinally, transversely, or in oblique, comprising: a) selecting at least two boards of solid wood of the same thickness, to reach a hygroscopic humidity between 8 and 30%; b) assembling the at least two boards of solid wood into a flat panel with glue; c) in a steaming room, steaming the panel and hardening the glue; d) folding the flat panel according to the desired radius of curvature and the desired direction of curvature longitudinally, transversely, or in oblique; and e) drying the obtained curved piece of wood; wherein the boards are selected among boards of a same width, boards of different widths, boards of a same wood species, and boards of different wood species; and wherein said step d) of folding is made longitudinally, transversely, or in oblique, on at least one part of the surface of the panel.