Patents Assigned to Security Diamint Boart Stratabit
  • Patent number: 6102142
    Abstract: A drilling tool including a drilling head equipped with cutting edges and fitted with several shock-absorption elements, of which at least one part is made of an elastomer material. Each shock-absorption element having a block incorporating one portion inserted inside a receptor housing formed on the tool surface, and a portion which projects outward beyond the receptor housing.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: August 15, 2000
    Assignees: Total,, Security Diamint Boart Stratabit
    Inventors: Alain Besson, Robert Delwiche, Pierre Lecour