D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 1/02 (2006.01) F16C 13/00 (2006.01)
Patent
CA 2085883
A self-loading controlled deflection roll (10) for forming a pressure nip (N) with another roll (4) has at least one support shoe (22, 24) mounted in a stationary support shaft (12) for controlling the deflection of the roll shell (14) in the direction of the nip (N). At either end of the controlled deflection roll, a pair of opposed guide shoes (38, 40, 42, 44) are slidably mounted on the stationary support shaft (12) to apply pressure against the roll shell (14) to stabilize the position of the roll shell relative to the sta- tionary shaft. At least one guide shoe (40) on either end of the roll is equipped with a compensating piston to permit its face sur- face (57) to move radially outwardly relative to the guide shoe support on the stationary shaft. The guide shoes slidably recipro- cate in planes parallel to the plane (15) of the nip through the longitudinal axis (16) of the roll and provide opposed, equal stabilization forces at substantially right angles to the plane of the nip. The guide shoes also have axially extending pads (64, 64') for bearing against annular end surfaces on the roll shell to maintain the roll shell fixed in the longitudinal direction relative to the support shaft during operation.
Brown Dale Allen
Roerig Arnold James
Metso Paper Inc.
Mitsubishi Heavy Industries Ltd.
Ridout & Maybee Llp
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