Hydrostatically supported roll with a damping device

Details Hydrostatically supported roll with a damping device Hydrostatically supported roll with a damping device

1990-12-05

1992-08-25

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291161, 291132, B21B 1302

Patent

active

051407310

ABSTRACT:
A roll with a revolving hollow cylinder which forms the working roll circumference, and a stationary crosshead penetrating said hollow cylinder lengthwise and leaving clearance all around to the inner circumference of the hollow cylinder in which the hollow cylinder can shift radially as a whole, e.g., can drop under its own weight on to the top side of the crosshead. A damping element is provided to damp this sinking movement before contact is made. It features a piston which plunges into a cylinder filled with hydraulic fluid and initially open to the top. During the plunging action, the hydraulic fluid is displaced out of the cylinder and flows away, in a throttled state, between the piston and the cylinder and/or through especially provided choke bores, so that the damping effect is attained.

REFERENCES:
patent: 2395915 (1946-03-01), Specht
patent: 2553810 (1951-05-01), Carlson
patent: 3994367 (1976-11-01), Christ
patent: 4620348 (1986-11-01), Guttinger
patent: 4856157 (1989-08-01), Kusters
patent: 4858292 (1989-08-01), Buhlman et al.
patent: 4984343 (1991-01-01), Schrors

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