Patents by Inventor Ralf Helling

Ralf Helling has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5471924
    Abstract: In a method and apparatus for printing on objects using a screen printing procedure, the print image applied to a respective object is dried by UV-rays produced by at least one UV-radiating device. Drying of the applied print image is effected during a transportation movement which the object performs in order to be transported after the drying operation from one location to another. The radiating device which produces the UV-rays is moved with the object at least during a pert of the transportation movement in the direction of movement of the object, in such a way that in such movement the print image is dried.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: December 5, 1995
    Assignee: Werner Kammann Maschinenfabrik GmbH
    Inventor: Ralf Helling
  • Patent number: 5207156
    Abstract: In a process and apparatus for printing on articles which are at least in part of non-round cross-sectional shape, by means of screen printing, the article is received by a holding arrangement for supporting it during the printing operation, when the holding arrangement is in an intermediate position between first and second limit positions defining a range of pivotal movement of the holding arrangement, during which the printing is applied to the article. The movements of the article during the printing operation are for the purposes of that operation and not for transportation purposes, the article being transported by at least one transportation arrangement provided specifically therefor.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: May 4, 1993
    Assignee: Werner Kammann Maschinenfabrik GmbH
    Inventor: Ralf Helling