Patents by Inventor Ralf Mruk

Ralf Mruk 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).

  • Publication number: 20100018625
    Abstract: A pneumatic tire has an axis of rotation. The pneumatic tire includes a carcass having at least one reinforced ply, a tread disposed radially outward of the carcass, and a belt structure disposed radially between the carcass and the tread. The belt structure includes cords of at least three strands of twisted polyketone yarn. The twisted polyketone yarn has a linear density from 1570 dtex to 1770 dtex and a twist level from 3.0 TPI to 8.0 TPI. The cords have a twist level from 3.0 TPI to 8.0 TPI and a twist direction opposite to a twist direction the polyketone yarn.
    Type: Application
    Filed: July 22, 2008
    Publication date: January 28, 2010
    Inventors: Serge Julien Auguste Imhoff, Mustafa Goksoy, Ralf Mruk
  • Publication number: 20090139630
    Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition contacting one or more reinforcing textile cords, the textile cords comprising a resorcinol-formaldehyde-latex (RFL) adhesive disposed on the surface of the textile cords, wherein the RFL adhesive comprises polyvinylpyrollidone and at least one other elastomer, and the RFL adhesive comprises from 0.4 to 4 weight percent of polyvinylpyrrolidone, based on the total weight of the elastomers in the RFL adhesive.
    Type: Application
    Filed: October 28, 2008
    Publication date: June 4, 2009
    Inventor: Ralf Mruk
  • Publication number: 20090044893
    Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition contacting one or more reinforcing polyester cords, the polyester cords comprising an RFL adhesive disposed on the surface of the polyester cords, the RFL adhesive comprising from 1 to 20 weight percent of a presilanized silica.
    Type: Application
    Filed: August 14, 2007
    Publication date: February 19, 2009
    Inventors: Ralf Mruk, Andreas Frantzen, Frank Schmitz, Wolfgang Albert Leo Loesslein, Serge Julien Auguste Imhoff, Georges Marcel Victor Thielen, Yves Donckels