Patents Assigned to Ceramiques et Composites S.A.
  • Sintered SIC mechanical seals having particular pore volume, shape, and diameter
    Patent number: 5707065
    Abstract: Mechanically strong and reduced friction porous silicon carbide sintered shaped articles, well adapted for the production, e.g., of leaktight mechanical packings and rotating bearing seals, have a total pore volume ranging from 4% to 18% thereof, the pores of which having an average diameter of the spherical closed pores ranging from 40 to 200 .mu.m.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: January 13, 1998
    Assignee: Ceramiques et Composites S.A.
    Inventors: Olivier Azema, Michel Bougoin