Patents by Inventor Sibylle Stiltz

Sibylle Stiltz 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).

  • Doctor blade
    Patent number: 9132687
    Abstract: A doctor blade for scraping printing ink from a surface of a printing plate, comprising a flat and elongated main body having a working edge area formed in a longitudinal direction, the working edge area being coated with at least one first coating on the basis of a nickel-phosphorus alloy, and is characterized in that the first coating contains at least one additional component for improving the wear behavior of the doctor blade.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: September 15, 2015
    Assignee: Daetwyler SwissTec AG
    Inventors: Hans Jörg Brudermann, Sibylle Stiltz, Andreas Hügli
  • Doctor blade
    Patent number: 9044927
    Abstract: A doctor blade for wiping printing ink off a surface of a printing plate, comprising a flat and elongated main body having a working edge region configured in a longitudinal direction, the working edge region being covered with a first coating on the basis of a nickel-phosphorus alloy applied by electroless deposition, and hard material particles being dispersed in the first coating, characterized in that the first coating is covered with a second coating on the basis of galvanically deposited nickel.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: June 2, 2015
    Assignee: Daetwyler SwissTech AG
    Inventors: Hans Jörg Brudermann, Sibylle Stiltz, Andreas Hugli
  • DOCTOR BLADE
    Publication number: 20130014656
    Abstract: A doctor blade for scraping printing ink from a surface of a printing plate, comprising a flat and elongated main body having a working edge area formed in a longitudinal direction, the working edge area being coated with at least one first coating on the basis of a nickel-phosphorus alloy, and is characterized in that the first coating contains at least one additional component for improving the wear behavior of the doctor blade.
    Type: Application
    Filed: January 20, 2010
    Publication date: January 17, 2013
    Applicant: DAETWYLER SWISSTEC AG
    Inventors: Hans Jörg Brudermann, Sibylle Stiltz, Andreas Hügli
  • DIAMOND-COATED DOCTOR BLADE
    Publication number: 20110226144
    Abstract: A doctor blade for wiping printing ink off a surface of a printing plate and/or for use as a paper doctor knife, has a flat and elongated main body including a working edge region configured in a longitudinal direction, wherein at least the working edge region is covered with a first coating on the basis of a nickel-phosphorus alloy. The doctor blade is characterized in that monocrystalline and/or polycrystalline diamond particles are dispersed in the first coating, wherein a particle sizes of the diamond particles measure at least 5 nm and less than 50 nm.
    Type: Application
    Filed: September 10, 2009
    Publication date: September 22, 2011
    Applicant: DAETWYLER SWISSTEC AG
    Inventors: Hans Jörg Brudermann, Sibylle Stiltz, Andreas Hugli
  • DOCTOR BLADE
    Publication number: 20110219971
    Abstract: A doctor blade for wiping printing ink off a surface of a printing plate, comprising a flat and elongated main body having a working edge region configured in a longitudinal direction, the working edge region being covered with a first coating on the basis of a nickel-phosphorus alloy applied by electroless deposition, and hard material particles being dispersed in the first coating, characterized in that the first coating is covered with a second coating on the basis of galvanically deposited nickel.
    Type: Application
    Filed: August 27, 2009
    Publication date: September 15, 2011
    Applicant: DAETWYLER SWISSTEC AG
    Inventors: Hans Jörg Brudermann, Sibylle Stiltz, Andreas Hugli