Patent ID: 9255398
Filing Date: 2016-02-09
CPC Classification: B27K,B27M,B27N,C09K,E04B

Claim Text:
1. A method of manufacturing a fire proof board from strands of wood, the method comprising the following steps in the given order: (a) providing strands of wood, and (b) immersing the strands of wood in a watery solution of a flame retardant chemical composition, (c) separating the strands of wood from each other by stirring the mixture of strands and watery solution of the flame retardant chemical composition, (d) at least in part drying the strands of wood to a humidity of between 4% and 10%, preferably between 4% and 8%, thereby providing dry impregnated strands of wood, (e) applying an adhesive to the strands of wood, and (f) forming a board of a predetermined shape from the strands.