Patents by Inventor Lena Petersson

Lena Petersson 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).

  • CVD coated cutting tool insert
    Patent number: 7150772
    Abstract: The present invention relates to a coated cemented carbide insert (cutting tool), particularly useful for milling of stainless steels and super alloys but also milling of steels in toughness demanding applications. The cutting tool insert is characterised by a cemented carbide body comprising WC, NbC and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiCxNyOz with equiaxed grains, a layer of TiCxNyOz with columnar grains and a layer of ?-Al2O3.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: December 19, 2006
    Assignee: Seco Tools AB
    Inventors: Andreas Larsson, Anette Sulin, Lena Petersson, Sakari Ruppi
  • CVD coated cutting tool insert
    Publication number: 20050037203
    Abstract: The present invention relates to a coated cemented carbide insert (cutting tool), particularly useful for milling of stainless steels and super alloys but also milling of steels in toughness demanding applications. The cutting tool insert is characterised by a cemented carbide body comprising WC, NbC and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiCxNyOz with equiaxed grains, a layer of TiCxNyOz with columnar grains and a layer of ?-Al2O3.
    Type: Application
    Filed: May 18, 2004
    Publication date: February 17, 2005
    Applicant: Seco Tools AB
    Inventors: Andreas Larsson, Anette Sulin, Lena Petersson, Sakari Ruppi