Patents Assigned to Secheron Soudure S.A.
  • Patent number: 4194106
    Abstract: The trajectory and speed of a turning electric arc in a device for cutting, eroding, welding or depositing material are controlled by varying the voltage and frequency of a polyphase current supplied to pole pieces disposed about the arc. The arc may be formed into a practically continuous bell-shaped or cylindrical sheet, thereby increasing the arc power.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: March 18, 1980
    Assignee: Secheron Soudure S.A.
    Inventors: Albi Rudaz, Albert Ferrari