APPLICATOR APPARATUS OF A FILM-TRANSFER COATER AND COATING METHOD

摘要

The invention relates to a method and applicator apparatus (5) for application of a web treatment substance of a paper or paperboard web onto the surface of a rotating applicator roll (3). The applicator apparatus (5) comprises an application chamber (6) delineated in the rotating direction of the applicator roll (3) by a doctor means (7) and a dam blade (9) adapted to operate upstream of the doctor means (7), means (16) for feeding the web treatment substance into the application chamber (6), and a dam blade holder (12) having the dam blade (9) attached thereto. The dam blade (9) is loaded against the applicator roll (3) by support member (13) whose support point (14) is located between the hip (15) of the dam blade (9) and the mounting point (10) of the dam blade on the dam blade holder (12).