Patents by Inventor Lena RÅHLEN

Lena RÅHLEN 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).

  • Steel for a tool holder
    Patent number: 11085108
    Abstract: The invention relates to a steel for a tool holder. The steel comprises the following main components (in wt. %): C 0.07-0.13 Si 0.10-0.45 Mn 1.5-3.1 Cr 2.4-3.6 Ni 0.5-2.0 Mo 0.1-0.7 Al 0.001-0.06 S?0.003 The steel has a bainitic microstructure comprising up to 20 volume % retained austenite and up to 20 volume % martensite.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: August 10, 2021
    Assignee: Uddeholms AB
    Inventors: Petter Damm, Lena Rahlen, Amanda Forsberg, Victoria Bergqvist, Riccardo Zanchetta
  • STEEL FOR A TOOL HOLDER
    Publication number: 20190226059
    Abstract: The invention relates to a steel for a tool holder. The steel comprises the following main components (in wt. %): C 0.07-0.13 Si 0.10-0.45 Mn 1.5-3.1 Cr 2.4-3.6 Ni 0.5-2.0 Mo 0.1-0.7 Al 0.001-0.06 S?0.003 The steel has a bainitic microstructure comprising up to 20 volume % retained austenite and up to 20 volume % martensite.
    Type: Application
    Filed: June 7, 2017
    Publication date: July 25, 2019
    Applicant: Uddeholms AB
    Inventors: Petter DAMM, Lena RÅHLEN, Amanda FORSBERG, Victoria BERGQVIST, Riccardo ZANCHETTA
  • STAINLESS STEEL FOR A PLASTIC MOULD AND A MOULD MADE OF THE STAINLESS STEEL
    Publication number: 20160355909
    Abstract: The invention relates to a martensitic stainless steel for plastic forming moulds requiring a high hardness and a good corrosion resistance. The stainless steel consists of in weight % (wt. %): C 0.56-0.82, N 0.08-0.25, C+N 0.60-1.0, Si 1.05-2.0, Mn 0.2-1.0, Cr 12-16, Mo 0.1-0.8, V 0.10-0.45, Al?0.3, P?0.05, S?0.5, optional elements, and balance Fe impurities.
    Type: Application
    Filed: February 9, 2015
    Publication date: December 8, 2016
    Inventors: Magnus TIDESTEN, Lena RAHLEN