LEPPTETNING FOR ROTERANDE AXLAR

摘要

In a rotary shaft lip seal comprising a moulded ring of elastomeric material with positive action ridges moulded on the air side, moulded face is concave so as to meet the sealing edge at a sharply defined angle and the positive action ridges preferably have the shape each of a triangle or rhomboid with a point meeting the sealing edge and ends merging into the concave moulded face.