Patents by Inventor Pertti Johansson

Pertti Johansson 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).

  • Method and arrangment for mounting bolts in a tunnel wall
    Patent number: 9957797
    Abstract: The present invention relates to a method, and an arrangement for mounting bolts in a material. The method comprises: storing actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig (300), a control unit (800) instructing a bolting device (200) to mount bolts in the bore holes based on the stored actual data.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: May 1, 2018
    Assignee: SKANSKA SVERIGE AB
    Inventors: Lars Pettersson, Pertti Johansson, Håkan Svensson
  • ARRANGEMENT AND METHOD FOR PRODUCING A REINFORCEMENT CAGE
    Publication number: 20170157664
    Abstract: The present invention relates to an arrangement and method for producing a reinforcement cage (100). The arrangement (1000) comprises: a control unit (700), and an assembler (500), the control unit (700) being arranged to provide reinforcement cage information relating to at least one from the group of position, order, and dimension of reinforcement bars in said reinforcement cage (100), and the assembler (500) being arranged to assemble reinforcement bars in accordance with said reinforcement cage information, thus producing said reinforcement cage (100).
    Type: Application
    Filed: July 1, 2015
    Publication date: June 8, 2017
    Inventors: Lars Pettersson, Pertti Johansson, Håkan Svensson
  • METHOD AND ARRANGMENT FOR MOUNTING BOLTS IN A TUNNEL WALL
    Publication number: 20170159434
    Abstract: The present invention relates to a method, and an arrangement for mounting bolts in a material. The method comprises: storing actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig (300), a control unit (800) instructing a bolting device (200) to mount bolts in the bore holes based on the stored actual data.
    Type: Application
    Filed: July 1, 2015
    Publication date: June 8, 2017
    Inventors: Lars Pettersson, Pertti Johansson, Håkan Svensson