System of rolls for use in calenders and like machines

Details System of rolls for use in calenders and like machines System of rolls for use in calenders and like machines

D - Textiles, Paper

21

G

92/4

D21G 1/00 (2006.01) F16C 13/00 (2006.01)

Patent

CA 1296557

SYSTEM OF ROLLS FOR USE IN CALENDERS AND LIKE MACHINES ABSTRACT OF THE DISCLOSURE A roll for use in the system of rolls of a calender has a stationary carrier which is surrounded by a deformable hollow cylindrical shell movable radially relative to the carrier and having end portions which surround and are rotatable relative to rings which are also movable relative to the carrier in the radial direction of the shell. The rings can be arrested in selected positions with reference to the carrier by pairs of hydraulic cylinder and piston units which are connected with the outlets of pumps or with the outlet of a single pump by conduits containing shutoff valves. Refilling devices are provided to compensate for leakage of fluid from the chambers. The shell is deformable by rows of hydrostatic supporting elements which react against the carrier and bear against the internal surface of the shell. - 50 -

532769

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