METHOD FOR PRODUCING A WOODEN COMPOSITE MATERIAL BOARD, IN PARTICULAR AN MDF OR HDF BOARD
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United States of America Patent
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Issued Date -
Nov 5, 2020
app pub date -
Jul 12, 2018
filing date -
Jul 20, 2017
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Abstract
The disclosure relates to a method for producing a wooden composite material board in particular an MDF or HDF board, wherein a cake made of wood chips or wood fibres wetted with a binder is spread, which is subsequently pressed in a hot press to form a board of a desired thickness, wherein, before the pressing, a mixed powder made of colour pigments and a second binder is spread onto an upper side of the cake as a primer, wherein the cake is sprayed with water after the spreading of the mixed powder.
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