Hydraulic roll protection system

Details Hydraulic roll protection system Hydraulic roll protection system

D - Textiles, Paper

21

G

92/4

D21G 1/00 (2006.01) B21B 31/32 (2006.01) B29B 7/58 (2006.01) B29B 7/72 (2006.01) B21B 31/02 (2006.01)

Patent

CA 1241222

ABSTRACT A hydraulic roll protection system in which positioning of an adjustable roll relative to a fixed roll is caused by adjusting screws acting on movable journal boxes through a pressurized piston cylinder device. A relief valve between a hand pump and the cylinder acts to relieve excessive pressures. A switch valve connects the hand pump alternately to advance the roll journal to normal gap positions and to retract the roll from the fixed roll.

464542

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