Pressurized screen arrangement
AssigneeSunds Defibrator Industries Aktiebolag
InventorsPar-Erik Larsson, Thomas Lindenau
Life of this patent
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Abstract
A pressurized screen arrangement for screening lignocellulose containing fiber material, comprising a screen housing (10) with a screen cage (11) are arranged in first and, respectively, second attachment members (17, 18) in the screen housing. Both ends of the screen cage (11) are fitted into the attachment members (17,18) with radial clearance, and an axial support (21) is provided at least at one of the attachment members (17,18).
Claims6
Apparatus for the screening of lignocellulose-containing fibrous material comprising a housing, a screen cage mounted in said housing and having an inner surface and an outer surface, said screen cage having a first end and a second end, a rotor mounted within said screen cage, said housing including first attachment means at said first end of said screen cage between said housing and said outer surface of said screen cage, and second attachment means at said second end of said screen cage between said housing and said outer surface of said screen cage, mounting means for mounting said first end of said screen cage on said first attachment means while providing radial clearance therebetween so as to permit radial motion of said screen cage at said first attachment means and for mounting said second end of said screen cage on said second attachment means while providing radial clearance therebetween so as to permit radial motion of said cage at said second attachment means, and axial support means for axially supporting at least one of said first and second attachment means.
Dependencies are inferred from the claim text.