SEALING DEVICE OF ROLL BEARING ASSEMBLY Russian patent published in 2006 - IPC B21B31/07 F16J15/32 

FIELD: sealing units of bearing assemblies of rolls of rolling mills.

SUBSTANCE: sealing device includes annular shoulder joined with journal of roll without possibility of relative rotation. Said annular shoulder carries ring like sealed surface engaged with elastic stationary sealing member. Labyrinth gland is arranged before sealing member on roll barrel and it includes at one side stationary parts and at other side it includes parts joined with roll. Labyrinth is formed, practically by means of C-shaped ring of desired cross section that is fluid tightly joined with end side of roll. In C-shaped opening of said ring stationary annular closing lid is embedded. Said lid includes open to outside draining duct. Labyrinth hole is spaced from bottom of draining groove. Annular closing lid has extending portion whose outer side provides deflection of labyrinth groove and whose inner side is provided with holder for stationary sealing member.

EFFECT: simplified design of highly rational sealing members, good sealing degree of sealing device for increased useful life period in comparison with that of known sealing devices.

9 cl, 2 dwg