B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 3/06 (2006.01) B27N 3/04 (2006.01) B27N 3/24 (2006.01)
Patent
CA 2368328
The present invention is directed to a method of manufacturing particle board and other fiber board panels of improved structural quality. A known manufacturing method is improved by utilizing at least one endless metal mesh belt which is made from a material with significantly higher thermal conductivity than, but with coefficient of thermal expansion roughly similar to the steel belt. In the method the steel belt and the metal mesh belt are led back together through an insulating tunnel to prevent heat loss. The metal mesh upstream of the infeed into the press area is led to a heating tunnel separate and apart from the steel belt and is heated to a higher temperature difference from the steel belt of at least 40°C and the specific press pressure acting on the furnish mat during the first 80% to 90% of the press time in the continuously operating press is never below 0.3N/mm2.
Kirby Eades Gale Baker
Maschinenfabrik J. Dieffenbacher Gmbh & Co.
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