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METHOD FOR MAKING A COMPRESSED STRUCTURAL FIBERBOARD

  • US 20090188642A1
  • Filed: 01/24/2008
  • Published: 07/30/2009
  • Est. Priority Date: 01/24/2008
  • Status: Active Grant
First Claim
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1. An improved method for making compressed structural fiberboard by extruding agricultural fibrous matter into said compressed structural fiberboard, wherein said improvement comprises the steps of:

  • providing a preselected volume of said agricultural fibrous matter;

    preconditioning said agricultural fibrous matter to have a predetermined moisture level within said agricultural fibrous matter;

    separating and cleaning said agricultural fibrous matter;

    adding steam to said agricultural fibrous matter until the moisture level within said agricultural fibrous matter reaches a second predetermined level; and

    extruding said agricultural fibrous matter to form said compressed structural fiberboard.

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