Drainage foil for a paper machine

摘要

A counterblade assembly (10) for a wet section (1) of a paper machine, having a fixed structure (13) fixed to a frame (5) of the machine; and a counterblade (9) connected to the fixed structure (13) by a number of articulated-parallelogram connecting assemblies (22) enabling the counterblade (9) to be moved substantially vertically by an actuator (25) to exert pressure on the machine wires (2, 3).