Patents Assigned to International Technische Handelsonderneming en Adviesbureau Itha B.V.
  • Patent number: 4375927
    Abstract: A method and a device for consolidating soil or driving a pile into the gnd by thrusting forces transferred to the soil or the pile through a transmission ground foot, the forces being derived from at least two sources, viz. a mass load and a vibratory member, the latter of which is adapted to produce a varying vertical thrusting force and is adapted to be brought successively out of and, in a shock-like manner, into engagement with the transmission ground foot, with no buffering springs being disposed between the vibratory member and the ground foot.
    Type: Grant
    Filed: December 18, 1979
    Date of Patent: March 8, 1983
    Assignee: International Technische Handelsonderneming en Adviesbureau Itha B.V.
    Inventor: Joris Kniep