Patent ID: 6668713
Filing Date: 2003-12-30
Classification: B27N,B30B

Abstract:
A platen press comprising:a press head at an upper side of the press and a press bed at a lower side of said press, one of said press head and said press bed being fixed; a plurality of platens disposed one above another between said upper and lower press sides and defining press gaps between them for receiving wood-containing mats and pressing said mats to form boards; seals between said platens all around peripheries of said platens and said gaps for sealing said gaps upon closing of the press; passages formed in said platens and communicating with one another and with said gaps inwardly of said seals for forming at least one upright evacuating duct; and at least one suction conduit on one of said sides of said press and communicating with said duct at least in a closed position of said press and through a passage for said passage in a respective one of said platens proximal to said one of said sides for evacuating gases evolved from said mats during pressing thereof.