Patents Assigned to Everts & Van der Weyden Exploitatiemaatschappij Ewem/N.V.
  • Method of manufacturing a resilient, single or double C-shaped rail clamp
    Patent number: 4281529
    Abstract: A method of manufacturing a resilient, C-shaped rail clamp wherein rod-shaped material is clamped tight at one end and starting from the clamped end the rod is deformed into the desired shape by a movement of a roller towards the free end while exerting local pressure.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: August 4, 1981
    Assignee: Everts & van der Weyden Exploitatiemaatschappij Ewem N.V.
    Inventor: Marius H. Lubbers
  • Holder for a guiding structure
    Patent number: 4267970
    Abstract: A holder for arranging a rail on a supporting concrete or wooden sleeper, comprising an open housing, which can be engaged by fasteners, comprising anchoring parts, which are embedded in a concrete sleeper or pierced into screwholes in a wooden sleeper, the anchoring parts being located at the corners of an imaginary triangle.
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: May 19, 1981
    Assignee: Everts & Van der Weyden Exploitatiemaatschappij Ewem/N.V.
    Inventor: Marius H. Lubbers