Patents Assigned to AMR Engineering AS
  • Apparatuses for and methods of forge welding elongated articles with electrodes and an induction coil
    Patent number: 8354625
    Abstract: The present application relates to an apparatus for and a method of forge welding elongate articles (1, 2), such as tubes, together. In addition to electrode (12, 13) assemblies (9) for heating the article (1, 2) ends with high frequency resistive heating, the apparatus includes a coil (3) for induction heating the articles (1, 2) before or after welding, as well as means for cooling the welding seam.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: January 15, 2013
    Assignee: AMR Engineering AS
    Inventors: Per Thomas Moe, Bjørn Halmrast, Kjell Magne Rabben