Patents by Inventor Stephan Ohnimus

Stephan Ohnimus 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).

  • Method for producing a material composite composed of metal and plastic to form a plastic-metal hybrid component
    Patent number: 10618207
    Abstract: The invention relates to a method for producing a material composite composed of metal and plastic to form a plastic-metal hybrid component, in which method, to improve the adhesion of the metal surface and at least one plastic component, stochastically random macroscopic and/or microscopic undercuts are made by means of short-pulse laser radiation in the metal surface in order to roughen it, these undercuts each being filled at least partially with the at least one plastic component in an injection moulding process such that said plastic component engages into the macroscopic and/or microscopic undercuts, wherein, following the roughening of the metal surface and before and/or during the injection moulding process for the at least one plastic component, at least the roughened surface of the metal is heated to a temperature which, during processing, lies in the range of room temperature up to 100° C. above the processing temperature of the plastic.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: April 14, 2020
    Assignees: BASF SE, Sabic Innovative Plastics B.V., TRUMPF Laser—und Systemtechnik GmbH
    Inventors: Kim Kose, Stephan Ohnimus, Michael Minkow, Harald Ott, Alexander Näck, Jan Gaugler, Holger Klink, Fred Eggers, Leo Hoffmann, Gerardus Doggen, Birgit Faisst
  • Method for producing a material composite composed of metal and plastic to form a plastic-metal hybrid component
    Publication number: 20170136668
    Abstract: The invention relates to a method for producing a material composite composed of metal and plastic to form a plastic-metal hybrid component, in which method, to improve the adhesion of the metal surface and at least one plastic component, stochastically random macroscopic and/or microscopic undercuts are made by means of short-pulse laser radiation in the metal surface in order to roughen it, these undercuts each being filled at least partially with the at least one plastic component in an injection moulding process such that said plastic component engages into the macroscopic and/or microscopic undercuts, wherein, following the roughening of the metal surface and before and/or during the injection moulding process for the at least one plastic component, at least the roughened surface of the metal is heated to a temperature which, during processing, lies in the range of room temperature up to 100° C. above the processing temperature of the plastic.
    Type: Application
    Filed: May 4, 2015
    Publication date: May 18, 2017
    Inventors: Kim Kose, Stephan Ohnimus, Michael Minkow, Harald Ott, Alexander Näck, Jan Gaugler, Holger Klink, Fred Eggers, Leo Hoffmann, Gerardus Doggen, Birgit Faisst