The invention relates to a method and a device for foaming glue for the production of wood-based sheets. Gluing substance and gas are fed (1,2) into the foaming device through nozzles (3,4), which are directed to mix the gluing substance and gas to be fed to form an essentially homogenous mixture prior to foaming. After this the gluing substance is foamed mechanically in the foaming chamber (5) with the aid of gas.
REFERENCE TO CO-PENDING APPLICATIONS
This application is a divisional application of and claims priority to U.S. patent application Ser. No. 10/749,463, entitled "Foaming Method and Device" and filed on Dec. 31, 2003, now U.S. Pat. No. 7,132,023 that issued on Nov. 7, 2006, the disclosure of which is hereby incorporated by reference in its entirety.
