B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
92/4
B21B 29/00 (2006.01) B21B 13/02 (2006.01) D21G 1/00 (2006.01) F16C 13/00 (2006.01)
Patent
CA 1302761
SYSTEM OF ROLLS FOR USE IN CALENDERS AND LIKE MACHINES ABSTRACT OF THE DISCLOSURE A system of rolls for use in a calender has an end roll with a fixed carrier and a deformable hollow cylindrical shell surrounding the carrier with freedom of radial movement and defining with a neighboring roll an elongated nip for a running web of paper, textile material or the like. The end roll has a row of primary hydrostatic supporting elements disposed between the carrier and the shell adjacent the nip and a row of secondary hydrostatic supporting elements diametrically opposite the row of primary supporting elements. The bearings between the end portions of the shell and the carrier surround rings which are movable relative to the carrier radially of the shell and can be arrested in selected positions by cylinder and piston units which are connected to a source of pressurized fluid by way of shutoff valves. The areas of those surfaces of at least some primary supporting elements which are adjacent the internal surface of the shell are greater than the corresponding areas of at least some secondary supporting elements. This contributes to a reduction of friction and to a reduction of the temperature of the shell.
532466
Pav Josef
Wenzel Reinhard
Kirby Eades Gale Baker
Kleinewefers Gmbh
LandOfFree
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