Patents Assigned to Canalcrab S.A.
  • Machining device operating inside a canalization
    Patent number: 5238338
    Abstract: A machining device is described which, after an old mains conduit has been decontaminated, that is, after it has been covered with a fluid-tight sheath, permits the obstructed secondary branches to be restored from inside the conduit.This device is made up of two modules, the first mitting the longitudinal and angular positioning of the piercing tool placed on the second module.A motor permits giving simultaneously the movement of rotation and that of advance of the tool by a set of gears.
    Type: Grant
    Filed: January 4, 1992
    Date of Patent: August 24, 1993
    Assignee: Canalcrab S.A.
    Inventor: Eric Stucky