Patents by Inventor Johannes VÄLIVAARA

Johannes VÄLIVAARA 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).

  • Apparatus for feeding tube elements, rock drilling rig and method of supporting drill hole openings
    Patent number: 11578536
    Abstract: An apparatus for feeding a tubular object inside a drill hole, a rock drilling rig and a method of supporting mouth openings of drill holes is provided. The apparatus includes a support device for supporting an elongated tube element blank having the potential for several successive tube inserts. A front end of the tube element blank is moved longitudinally inside a drill hole by means of a feeding device. Thereby, the drill hole is provided with a protective section extending a limited longitudinal dimension towards a bottom of the drill hole. The apparatus further includes a separation device for detaching the mentioned tube inserts one by one from the tube element blank.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 14, 2023
    Assignee: SANDVIK MINING and CONSTRUCTION OY
    Inventors: Juha Piipponen, Johannes Välivaara
  • APPARATUS FOR FEEDING TUBE ELEMENTS, ROCK DRILLING RIG AND METHOD OF SUPPORTING DRILL HOLE OPENINGS
    Publication number: 20200173764
    Abstract: An apparatus for feeding a tubular object inside a drill hole, a rock drilling rig and a method of supporting mouth openings of drill holes is provided. The apparatus includes a support device for supporting an elongated tube element blank having the potential for several successive tube inserts. A front end of the tube element blank is moved longitudinally inside a drill hole by means of a feeding device. Thereby, the drill hole is provided with a protective section extending a limited longitudinal dimension towards a bottom of the drill hole. The apparatus further includes a separation device for detaching the mentioned tube inserts one by one from the tube element blank.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Juha PIIPPONEN, Johannes VÄLIVAARA