B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 1/52 (2006.01) C04B 11/024 (2006.01) C04B 28/14 (2006.01) C04B 40/02 (2006.01)
Patent
CA 2246488
The present invention relates to an improved composite material; more particularly to a composite gypsum board product having improved water resistance which is especially useful for making building products. Specifically, the present invention relates to an improved gypsum/wood fiber building board having enhanced water resistance through the addition of a wax emulsion to the gypsum and wood fiber during tree board manufacturing process.
La présente invention concerne un matériau composite amélioré, plus spécifiquement un produit composite de carton pour panneaux plâtre présentant une résistance à l'eau améliorée, ce qui est particulièrement utile pour fabriquer des produits de construction. La présente invention concerne en particulier un carton de construction de plâtre/de fibre de bois amélioré, qui présente une résistance à l'eau améliorée grâce à l'ajout d'une émulsion de cire au plâtre et à la fibre de bois au cours du processu de fabrication dudit carton.
Company United States Gypsum
Marks & Clerk
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