RODILLO DE ASPIRACION PARA UNA MAQUINA DE ELABORACION DE PA-PEL

摘要

In a suction roller for a paper processing machine of the type having at least one supply passage leading to a control head disposed at an end face, the improvement which includes the suction opening being a suction slit. The suction roller may have an insert disposed in a recess at the periphery of the roller, the insert having a side surface cooperating with the recess to define a suction slit.