Patent ID: 6715768
Filing Date: 2004-04-06
Classification: F16J

Abstract:
A sealing ring, comprising:a support ring; a polymeric sealing disk which has a first end and a second end, viewed in the longitudinal section, a retaining segment and a sealing segment, the retaining segment, including the second end, being connected to the support ring and the sealing segment being curved in the direction of a medium to be sealed off by the sealing segment from ambient exterior environment and sealingly surrounding a shaft to be sealed off along a peripheral side of the sealing segment with a degree of radial prestressing, the sealing segment on the side facing the shaft having a first surface profiling, the first surface profiling on the side facing the medium to be sealed off being formed by at least one recirculating element, and at least one dust lip being arranged on the first end in a region laterally adjoining the recirculating element facing away from the medium to be sealed off; and wherein between the recirculating element and the dust lip an annular, self-contained sealing bead is arranged, which sealingly surrounds the shaft on the peripheral side.