Patents by Inventor Jorgen Kugelberg

Jorgen Kugelberg 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 device for manufacturing a drill blank or a mill blank
    Patent number: 7296497
    Abstract: The present invention relates to a method for manufacturing a drill blank or a mill blank by extrusion, said method comprising the forming of a first blank portion (B1) having external, axially extending external flutes and the forming of a further blank portion (B3) in the shape of a shaft. The invention also relates to a device for manufacturing a drill blank or a mill blank. The method according to the invention is characterised by: extruding a first blank portion (B1) having a free end and external flutes; allowing the extrusion to continue to supply further extruding mass into a cavity (6), said supply of extruding mass completely filling out the external flutes of the first blank portion (B1) to produce a second blank portion (B2) integral with the first blank portion (B1); allowing the extrusion to continue to produce a desired length of the first blank portion (B1); and cutting off the first blank portion (B1) at the end facing away from the second blank portion (B2).
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: November 20, 2007
    Assignee: Sandvik Intellectual Property AB
    Inventors: Jörgen Kugelberg, Roine Ericsson, Jonathan Fair, Anders Micski
  • Method and device for manufacturing a drill blank or a mill blank
    Publication number: 20060027046
    Abstract: The present invention relates to a method for manufacturing a drill blank or a mill blank by extrusion, said method comprising the forming of a first blank portion (B1) having external, axially extending external flutes and the forming of a further blank portion (B3) in the shape of a shaft. The invention also relates to a device for manufacturing a drill blank or a mill blank. The method according to the invention is characterised by: extruding a first blank portion (B1) having a free end and external flutes; allowing the extrusion to continue to supply further extruding mass into a cavity (6), said supply of extruding mass completely filling out the external flutes of the first blank portion (B1) to produce a second blank portion (B2) integral with the first blank portion (B1); allowing the extrusion to continue to produce a desired length of the first blank portion (B1); and cutting off the first blank portion (B1) at the end facing away from the second blank portion (B2).
    Type: Application
    Filed: May 4, 2005
    Publication date: February 9, 2006
    Inventors: Jorgen Kugelberg, Roine Ericsson, Jonathan Fair, Anders Micski