Stone pressure roll for a web of fibers

Details Stone pressure roll for a web of fibers Stone pressure roll for a web of fibers

1986-04-01

1987-09-08

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29113R, B21B 1302, B21B 3108

Patent

active

046914200

ABSTRACT:
A stone roll for paper machines having a rotatable tubular roll shell of stone. A bearing flange is disposed at either end of the stone roll. A plurality of paraxially arranged stressing rods are disposed in bores in the roll and extend between the bearing flanges. A stationary beam extends through the bore of the roll. A layer of metal is disposed at or defined on the inner surface of the tubular roll shell. Seals extend from the sides of the beam into contact with the metal layer. A hydraulic pressure chamber is defined between the stationary beam and the inner surface of the metal layer and around the beam between the seals for enabling force exerted on the exterior of the roll to be transmitted to the stationary beam.

REFERENCES:
patent: 1413436 (1922-04-01), Vedder
patent: 1430418 (1922-08-01), Vedder
patent: 2164625 (1939-07-01), Prosser et al.
patent: 2908964 (1959-10-01), Appenzeller
patent: 3737962 (1973-06-01), Hill
patent: 4062096 (1977-12-01), Eibe
patent: 4272873 (1981-06-01), Dietrich
patent: 4440077 (1984-04-01), Schiel et al.
patent: 4506421 (1985-03-01), Appenzeller et al.

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