Roll

Details Roll Roll

D - Textiles, Paper

21

F

D21F 3/08 (2006.01) D21F 5/02 (2006.01) F16C 13/02 (2006.01)

Patent

CA 2065504

A roll, specifically a paper machine press roll, with a hollow rotatable roll body features a roll shell and on at least one of its two ends a hollow roll journal. A guide body which is stationary or fastened to the roll body extends through the interior of the roll body and forms with the roll shell a channel system through which a tempering medium flows. For purposes of using air as tempering medium, a pressure blower and/or a suction blower are connected to the channel system. The channel system and the blower(s) are so dimensioned that an air flow velocity above 10 m/sec will materialize in the channel system.

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