Abstract: Pressure roller with a non-rotatably mounted axial support about which a roller shell can rotate which is supported in a supporting plane on the support by hydrostatic supporting elements and is mounted to be rotatable and is guided axially and also radially at both ends by means of a guide ring arranged at each roller shell edge, the said guide ring being non-rotatable relatively to the support but capable of displacement axially and along the supporting plane; for holding the guide rings in a desired axial position relatively to the support there is situated at each end of the roller shell a device, at the side of the guide ring, the said device elastically pressing the guide ring in the axial direction towards the respective adjacent edge of the roller shell.

Abstract: A deflection-controlled roll has a roll shell rotatably mounted about a fixed beam and disposed on a plurality of hydraulic piston support or pressure devices positioned along the roll for exerting forces between the beam and the roll shell. The roll shell is formed of an elastomeric material and is provided with a stiffener insert embedded in the material of the shell for increasing its resistance to circumferential deformation. The stiffener insert may include a metal helical coil extending about the axis of the roll shell or a corrugated tube coaxial with the shell. The roll shell may also include a plurality of annular inserts spaced along the interior of the shell the inner surfaces of which form bearing surfaces for the support devices.

Abstract: A sag-compensating roll comprises a roll shell rotatable about a support beam with hydrostatic support means therebetween. The ends of the beam are supported in casings at each end of the roll. End sections of the roll shell are rotatably mounted in pivotally mounted arms in the casings which pivot about an axis spaced from the roll axis. Couplings between the end sections and the central portion of the roll shell provide centering while allowing pivoting movement therebetween. A drive shaft in one housing is coaxial with the pivot axis and drives the corresponding end section through a transmission. A drive motor is mounted on the casing. Three mutually perpendicular exterior surfaces of the casings permit assembly of a plurality of rolls to form a calender.