WOOD STRAND CEMENT BOARDS WITH A PRCTICALLY CLOSED SURFACE AND PRODUCTION PROCESS
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
May 22, 2013
filing date -
Jul 3, 2002
priority date (Note) -
Abandoned
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Abstract
A mineral bonded Wood Strand Cement (usually Portland cement or Magnesite or Gypsum) Board which is produced from a mixture of wood strands or a similar fibre material, water, a suitable binder like cement, and possibly additives, which mixture is cured under pressure to form a board with a practically entirely closed surface. For the boards according to the invention, wood strands are being used that are broader and thinner than used until presently in acoustic Wood Wool Cement Boards. Moreover, the invention relates to a method of orienting wood strands and a production process for the production of such Wood Strand Cement Boards.
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