Patent ID: RE38738

Claim:
A cylindrical screen, particularly for paper pulp, of the type comprising at least two flanges ( 1 , 2 ) connected to each other by means of bars ( 3 ), and at least one thin filtering element ( 10 ) rigid in the axial direction, said filtering element being held by support rings ( 11 ) and placed upstream from the above mentioned bars ( 3 ), in relation to the direction of flow of the pulp, wherein said filter element ( 10 ) is made up of wires placed side by side and being parallel in a cylindrical configuration, and the support rings ( 11 ) are at an internal or external edge thereof welded to the filtering element ( 1 ), whereas at the other edge thereof, they are in contact with the bars ( 3 ), without being attached to them, in a floating mounting between the rings and the bars.