Patent ID: 7264877
Filing Date: 2007-09-04
Classification: C04B,F16J,Y10T

Abstract:
1. A sliding element for seals comprising: a fired preformed material including, a binder having 25 to 75 weight % carbonaceous impalpable powdery aggregate of non-graphitizing carbon and/or graphitizing carbon and 20 to 50 weight % synthetic resin, wherein the binder is blended with a carbon matrix having carbonaceous carbon fibers free of surface treatment in a range of 5 to 25 weight %, wherein said carbonaceous carbon fibers are randomly scattered in the carbon matrix, and wherein said carbonaceous carbon fibers are 5 to 30 μm in diameter, 50 to 300 μm in length, and have a Vickers hardness of at least 200.