Patents by Inventor Petr FLASAR

Petr FLASAR 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).

  • COATED CUTTING TOOL
    Publication number: 20240287680
    Abstract: A coated cutting tool includes a CVD coating and a substrate made of cemented carbide. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN and a layer of Al2O3. The coated cutting tool is subjected to a shot peening process using a granular media including beads of crystallin tungsten carbide. A method of shot peening coated cutting tools with beads of crystallin tungsten carbide is also provided.
    Type: Application
    Filed: June 1, 2022
    Publication date: August 29, 2024
    Inventors: Ondrej VORTEL, Petr FLASAR
  • Surface hardening of cemented carbide body
    Patent number: 11060155
    Abstract: A cemented carbide body includes WC in a metallic binder phase. The cemented carbide body has a bulk portion and a surface portion. The grain size of the WC in the surface portion is smaller than the grain size in the bulk portion of the body and this gives an increased surface hardness and an increased wear resistance. The median grain thickness, tg, of WC in the surface portion is 20-300 nm and the average grain size in the bulk portion is 0.5-8 ?m. A method of surface hardening a cemented carbide body is also provided.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 13, 2021
    Assignee: PRAMET TOOLS, S.R.O.
    Inventor: Petr Flasar
  • SURFACE HARDENING OF CEMENTED CARBIDE BODY
    Publication number: 20190112679
    Abstract: A cemented carbide body includes WC in a metallic binder phase. The cemented carbide body has a bulk portion and a surface portion. The grain size of the WC in the surface portion is smaller than the grain size in the bulk portion of the body and this gives an increased surface hardness and an increased wear resistance. The median grain thickness, tg, of WC in the surface portion is 20-300 nm and the average grain size in the bulk portion is 0.5-8 ?m. A method of surface hardening a cemented carbide body is also provided.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 18, 2019
    Inventor: Petr FLASAR