Patent ID: 9290886
Filing Date: 2016-03-22
CPC Classification: B01D,D21D,Y10T

Claim Text:
1. A method of manufacturing a screen cylinder, said screen cylinder formed of at least a number of screen wires, wherein pairs of adjacent screen wires provide a screening slot therebetween, and substantially circular support rings, said support rings having a first rim area provided with notches into which said screen wires are installed, and a second rim area opposite to said first rim area, the method comprising: a) after installing some of the screen wires into said notches of said support rings, evenly and uniformly heating the second rim area of at least one of said support rings such that a temperature of the first rim area remains lower than a temperature of the second rim area, and whereby the second rim area is deformed, and b) allowing at least one of said support rings to cool to decrease a diameter of the at least one of said support rings, whereby the first rim area is deformed and the screen wires are clamped in said notches.