Patents Assigned to Wirthwein AG
  • Patent number: 8757510
    Abstract: The invention relates to a rail fastening on a tie having fastening screws and loop-shaped tension clamps in which the track width can be adjusted horizontally in a stepless manner using wedge elements, the rail being arranged on a ribbed plate, the ribs of which run at an angle to the rail and a wedge that can be moved in the longitudinal direction of the rail being arranged between rail foot and the ribs. The wedge is preferably guided on the support. This makes possible effective horizontal lateral displacement of the rail or modification of the track with the use of simple and inexpensive plastic parts.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: June 24, 2014
    Assignee: Wirthwein AG
    Inventors: Udo Wirthwein, Joachim Süss
  • Patent number: 7922102
    Abstract: The invention relates to a rail support point for a rail-guided vehicle for anchoring in a wooden tie, including a plate as a support for the rail, which plate is anchored on both sides of the rail by means of fastening bolts that pass through the plate, the plate having on its bottom side collars that surround the fastening bolts and that engage in correspondingly shaped depressions in the wooden tie, the plate being configured as a ribbed plate having raised ribs that are arranged lateral to the rail foot and that guide the latter and being made of plastic, and the collar being embodied as a slitted ring. Also disclosed is a rail fastening using the rail support.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: April 12, 2011
    Assignee: Wirthwein AG
    Inventors: Udo Wirthwein, Joachim Süss
  • Publication number: 20100107506
    Abstract: The invention relates to a vehicle door consisting of a body separated into a wet region and a dry region, and to an associated door module. The vehicle door has a body separated into a wet region and a dry region, the wet region being defined on one side by the door covering and on the other side by a door module, and the dry region being connected to the part separating the wet region and the dry region in the direction of the interior door moulding. The wet/dry region separating part comprises at least one double sealing lip arranged on the door module, said lip consisting of soft plastic and sealing the dry region twice from the door covering.
    Type: Application
    Filed: February 4, 2008
    Publication date: May 6, 2010
    Applicant: WIRTHWEIN AG
    Inventors: Marcus Wirthwein, Gerhard Kirchner
  • Patent number: 7234647
    Abstract: The invention relates to a damping means for damping acoustic vibrations on rails. This damping means is, in particular, a body made of plastics and ferrous materials. The damping means is characterized by a chamber filling body, which consists of a thermoplastic and of metal constituents finely dispersed therein and is produced by extrusion or injection molding, whereby the density of the body is >2.4 g/cm3.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: June 26, 2007
    Assignee: Wirthwein AG
    Inventors: Udo Wirthwein, Otto Kaulbersch, Dirk Vorderbrück