a method for curtain coating a moving web is described , wherein the total amount of the coating liquids and of the lateral flow liquid , added perpendicular to the lateral extension of the curtain , is deposited on the moving web under formation of only a minimally thickened bead , wherein there is no need to separate the lateral flow liquid before impingement on the moving web . the corresponding device incorporates in the edge guides a groove having incorporated , in its surface , channels parallel to the direction of the falling curtain . the curtain is stabilized with the lateral flow liquid which is supplied to the groove , the real guide surface of the curtain , perpendicular to the lateral extension of the curtain .