Patent ID: 6729625
Filing Date: 2004-05-04
Classification: B21B,F16J

Abstract:
Annular seal for a rolling roll able to be rotatably assembled on at least one supporting oil-film bearing, comprising an annular body made of flexible material, shaped in such a manner as to define a central cavity able to be coupled with a tapered end of said rolling roll, between said supporting bearing and a front surface of said rolling roll, and a pair of substantially parallel radial appendices, which define an outer annular compartment in which, during use, a separation element of a fixed supporting flange is able to be arranged, wherein said annular body, inside said central cavity, is provided with a plurality of circular ridges with the purpose of creating a further barrier to the leakage of the oil on a first side and the entry of the water on a second side, wherein a first annular helical spring and an annular hollow made of steel are incorporated inside said annular body, and a metal ring is arranged in said annular compartment in direct contact with said annular body, wherein said circular ridges are arranged, some on one side and some on the other side with respect to said first annular spring.