Importance

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Abstract

A method for continuously producing finished board from a mat of a pressing stock mixed with a binder in a continuously operating press having steel belts, friction reducing elements, heating plates and cooling plates, the method comprising choosing a cooling length of a cooling section to cure the mat of pressing stock and to ensure a harmless vapor pressure within a finished board; introducing the mat between the steel belts of the continuously operating press; heating and pressing the pressing stock in a heating section of the continuously operating press; and cooling surfaces of the pressing mat just before the reaction starting temperature is reached, wherein the surfaces of the mat are subject to cooling when the temperature at the center of the stock is about 85% to 95% of the temperature required for curing the pressing stock. A continuously operating press for producing boards from a pressing stock has a press table and a press ram located above the press table. The press also has a first steel belt that is guided around the press table by a first drive roller and a first deflection roller and a second steel belt that is guided around the press table by a second drive roller and a second deflection roller. Heating and cooling plates are mounted to each of the press table and the press ram. The press also has a plurality of friction reducing elements between each of the first and second steel belts and the respective heat plates. The first and second steel belts transmit a pressing pressure and pull the pressing stock through the press. A pressing section of the continuously operating press is divided into a heating section and a cooling section such that the cooling section is variably extendable from the heating section with the cooling plates and the heating section is variably extendable from the cooling section with the heating plates.

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First Claim