Patents Assigned to Voorbij Groep B.V.
  • Patent number: 6663321
    Abstract: A process for producing a pile in the earth with a pipe is provided. The pipe is provided internally with a conduit, which emerges on the bottom side of the pipe, for feeding pile-forming, hardening material into the earth. The pipe is introduced into the earth, and the pipe is removed from the earth while a space created by the removal of the pipe is simultaneously filled with the pipe-forming, hardening material.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: December 16, 2003
    Assignee: Voorbij Groep B.V.
    Inventor: Adrianus Theodorus Maria Bisschops