Patent ID: 8181971

Claim:
A sealing ring comprising: a sealing element comprising at least one fastening part and at least one sealing part provided with a sealing edge at an end remote from the fastening part; wherein the sealing element is essentially of rotational symmetry and has a seal axis; wherein the sealing part projects axially away from the fastening part and the sealing edge is axially spaced at an axial spacing from the fastening part; wherein the sealing edge has an undulated shape about a circumference thereof such that the sealing edge is positioned in changing slanted positions about the circumference relative to the seal axis at an angle different from a 90 degree angle, viewed in a projection onto an axial plane of the sealing ring; wherein the axial spacing of the sealing edge relative to the fastening part changes in the circumferential direction so that valleys and peaks are formed, wherein at least one of the peaks projects axially past the other axial peaks and forms an axially projecting tongue.