B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
18/1011
B27N 3/18 (2006.01) B27N 3/24 (2006.01)
Patent
CA 1227612
ABSTRACT OF THE DISCLOSURE An apparatus for pressing and steam curing a wood-particle mat to produce a wood-particle board includes a pair of pressing belts which are arranged above each other at a distance to define a gap therebetween within which the wood-particle mat is conveyed and shaped. Along its passage through the pressing belts, the wood-particle mat is first moved along a compression zone in which the gap is gradually reduced and then passes along a sizing zone. Cooperating with the pressing is a steam injection unit which includes a steam supply channel system and a steam discharge channel system. Both channel systems border on the pressing gap and are provided with nozzle bores extending towards the gap. Via the supply channel system, steam is injected along the compression zone in direction of the wood-particle mat while the discharge channel system which extends at least along a downstream section of the sizing zone is provided to collect and eventually to discharge steam.
477161
Borden Ladner Gervais Llp
G. Siempelkamp Gmbh & Co.
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