Method of making laminar material having a base of bonded...

Details Method of making laminar material having a base of bonded... Method of making laminar material having a base of bonded...

B - Operations, Transporting

32

B

154/97

B32B 21/02 (2006.01) B27N 3/06 (2006.01) B27N 3/10 (2006.01) B27N 3/26 (2006.01)

Patent

CA 1053557

ABSTRACT OF THE DISCLOSURE A laminar board having a base of bonded wood particles carrying a decorative facing is produced by sequentially mov- ing a carrier web through a loading zone and a press zone. The carrier web consists essentially of paper impregnated with a synthetic resin composition and having a permeability to water vapor of at least 1000 g/m2/day. A layer of loose wood particles intimately mixed with a bonding agent is superimposed on the carrier web in the loading zone, and the resulting layered material is subjected in the press zone to a temperature and pressure sufficient to bond the loose part- icles to each other by the bonding agent in a dense struc- ture and simultaneously to bond the particles to the carrier web by the bonding agent and/or the synthetic resin composition.

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