Dry-forming three-dimensional wood fiber webs

Details Dry-forming three-dimensional wood fiber webs Dry-forming three-dimensional wood fiber webs

B - Operations, Transporting

29

C

B29C 43/04 (2006.01)

Patent

CA 2570866

A method for the dry-formation of a deep drawn, three-dimensional wood fiber structural core is provided. The method comprises providing a preformed, substantially flat, dry-formed mat of wood fibers, providing a three- dimensional mold, introducing the dry-formed mat of wood fibers into the three- dimensional mold, and drawing and molding the mat of wood fibers into said three-dimensional wood fiber structural core.

Procédé de formage à sec d'un noyau structurel de fibres de bois tridimensionnelles pour moulage profond. Le procédé consiste à utiliser un voile préformé de fibres de bois formé à plat et sensiblement plat, à utiliser un moule tridimensionnel, à introduire le voile formé à sec de fibres de bois dans le moule tridimensionnel puis à étirer et à mouler le voile de fibres de bois dans le noyau structurel de fibres de bois tridimensionnelles.

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