Composite butt welded and reinforced cylindrical screens

Details Composite butt welded and reinforced cylindrical screens Composite butt welded and reinforced cylindrical screens

B - Operations, Transporting

07

B

209/108, 26/198

B07B 1/18 (2006.01) B07B 1/46 (2006.01) D21D 5/16 (2006.01)

Patent

CA 1144112

ABSTRACT A screen drum and a method for its manufacture is disclosed wherein the screen drum comprises at least two cylindrical screen members spaced apart, between which a stiffening ring is disposed. The stiffening ring has two cylindrical sur- faces which guide the ends of the cylindrical screen members, and a projecting part between them. The cylindrical screen members and the stiffening ring are attached to each other by a weld joint connecting the projecting part of the stiffen- ing ring and the ends of the cylindrical screen members and filling the gap between them.

345968

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