Patents by Inventor Sami JARVENTAUSTA

Sami JARVENTAUSTA 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).

  • Publication number: 20210180454
    Abstract: A cement silo and feed apparatus for feeding cement to the cement silo of a mining machine includes a receptacle for receiving cement, a transfer tube connected at a first end of the receptacle for guiding the cement from the receptacle to the cement silo connectable at a second end of the transfer tube and transfer means arranged in connection with the transfer tube and arranged to move cement within the transfer tube from the receptacle to the cement silo. The transfer tube includes at least one transfer tube section having a tube-like inner space for cement to be transferred.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: Sami JARVENTAUSTA, Jukka SIMILA, Tero YLI-HANNUKSELA
  • Patent number: 10787867
    Abstract: A gripping device, rock drilling unit and method of gripping drilling tools is disclosed. The gripping device includes a frame and at least one elastic gripping element connected in a fluid-tight manner to the frame. The gripping element may be expanded by conveying pressurized fluid between surfaces of the frame and the gripping element, whereby the gripping element moves against surfaces of the drilling tool and generates friction forces and support.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: September 29, 2020
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Sami Jarventausta, Jukka Simila
  • Publication number: 20190024509
    Abstract: A feed apparatus for feeding cement to a cement silo of a mining machine includes a receptacle for receiving cement, a transfer tube connected at a first end of the receptacle for guiding the cement from the receptacle to the cement silo connectable at a second end of the transfer tube and transfer means arranged in connection with the transfer tube and arranged to move cement within the transfer tube from the receptacle to the cement silo. The transfer tube includes at least one transfer tube section having a tube-like inner space for cement to be transferred.
    Type: Application
    Filed: January 12, 2017
    Publication date: January 24, 2019
    Inventors: Sami JARVENTAUSTA, Jukka SIMILA, Tero YLI-HANNUKSELA
  • Publication number: 20180355718
    Abstract: A gripping device, rock drilling unit and method of gripping drilling tools is disclosed. The gripping device includes a frame and at least one elastic gripping element connected in a fluid-tight manner to the frame. The gripping element may be expanded by conveying pressurized fluid between surfaces of the frame and the gripping element, whereby the gripping element moves against surfaces of the drilling tool and generates friction forces and support.
    Type: Application
    Filed: June 11, 2018
    Publication date: December 13, 2018
    Inventors: Sami JARVENTAUSTA, Jukka SIMILA