Patents by Inventor Lars-Anders Budzynski

Lars-Anders Budzynski 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).

  • Oxide coated cutting tool
    Patent number: 6902764
    Abstract: According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of ?-Al2O3. Said ?-Al2O3 layer consists of essentially equiaxed grains with an average grain size of <1 ?m and with a bimodal grain size distribution with coarser grains with an average grainsize in the interval 0.5-1 ?m and finer grains with an average grainsize of <0.5 ?m. The Al2O3 layer further contains striated zones containing titanium (>5 at %) but no nitrogen or carbon. This particular microstructure is obtained by temporarily stopping the gases needed for the growth of the Al2O3 layer and introducing TiCl4.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: June 7, 2005
    Assignee: Sandvik Aktiebolag
    Inventors: Björn Ljungberg, Lars-Anders Budzynski
  • Oxide coated cutting tool
    Publication number: 20040144302
    Abstract: According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of &agr;-Al2O3. Said &agr;-Al2O3 layer consists of essentially equiaxed grains with an average grain size of <1 &mgr;m and with a bimodal grain size distribution with coarser grains with an average grainsize in the interval 0.5-1 &mgr;m and finer grains with an average grainsize of <0.5 &mgr;m. The Al2O3 layer further contains striated zones containing titanium (>5 at %) but no nitrogen or carbon. This particular microstructure is obtained by temporarily stopping the gases needed for the growth of the Al2O3 layer and introducing TiCl4.
    Type: Application
    Filed: January 15, 2004
    Publication date: July 29, 2004
    Applicant: SANDVIK AKTIEBOLAG
    Inventors: Bjorn Ljungberg, Lars-Anders Budzynski
  • Oxide coated cutting tool
    Patent number: 6713172
    Abstract: According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of &agr;-Al2O3. Said &agr;-Al2O3 layer consists of essentially equiaxed grains with an average grain size of <1 &mgr;m and with a bimodal grain size distribution with coarser grains with an average grainsize in the interval 0.5-1 &mgr;m and finer grains with an average grainsize of <0.5 &mgr;m. The Al2O3 layer further contains striated zones containing titanium (>5 at %) but no nitrogen or carbon. This particular microstructure is obtained by temporarily stopping the gases needed for the growth of the Al2O3 layer and introducing TiCl4.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: March 30, 2004
    Assignee: Sandvik Aktiebolag
    Inventors: Björn Ljungberg, Lars-Anders Budzynski
  • Oxide coated cutting tool
    Publication number: 20020122701
    Abstract: According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of &agr;Al2O3. Said &agr;Al2O3 layer consists of essentially equiaxed grains with an average grain size of <1 &mgr;m and with a bimodal grain size distribution with coarser grains with an average grainsize in the interval 0.5-1 &mgr;m and finer grains with an average grainsize of <0.5 &mgr;m. The Al2O3 layer further contains striated zones containing titanium (>5 at %) but no nitrogen or carbon. This particular microstructure is obtained by temporarily stopping the gases needed for the growth of the Al2O3 layer and introducing TiCl4.
    Type: Application
    Filed: November 2, 2001
    Publication date: September 5, 2002
    Inventors: Bjorn Ljungberg, Lars-Anders Budzynski