Roll for use in a paper machine

Details Roll for use in a paper machine Roll for use in a paper machine

1986-11-25

1988-05-31

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29113R, 29113AD, 29116AD, B21B 2700

Patent

active

047471956

ABSTRACT:
A roll, for use in the dewatering press of a paper machine or a calender roll, having adjustable zones. The roll has a non-revolving massive central axle, on which a substantially cylindrical roll mantle is journalled to rotate. Between the central axis and an inner face of the roll mantle, a loading piston-cylinder group or block arrangement is situated, having pistons which can be loaded by hydraulic fluid pressure against the inner face of the roll mantle so as to adjust distribution of pressure in zones along the roll. The loading piston-cylinder group or block arrangement comprises a substantially elongated or oblong cylinder group or block fitted into an axially-extending groove along the central axle, with the cylinder group or block being a separate component from the central axle itself. The cylinder group or block is supported only in the regions of the longitudinal ends thereof upon the central axle, by way of particular supporting arrangements.

REFERENCES:
patent: 4007522 (1977-02-01), Hold et al.
patent: 4106405 (1978-08-01), Biondetti et al.
patent: 4373238 (1983-02-01), Guttinger
patent: 4404724 (1983-09-01), Christ et al.

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