Patents Assigned to Etablissements Somalor-Ferrari "Somafer"
  • Process for cutting metal members by means of jets of gas which issue at the periphery of a rotary disc
    Patent number: 4389261
    Abstract: A process for cutting metal members 3 by means of jets of gas emitted by nozzles (a.sub.1, a.sub.2, a.sub.3 . . . a.sub.63) which are disposed at regular spacings on the periphery 2 of the disc 1 which rotates at high speed.Preheating for initiating the cutting is provided by a heating nozzle b.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: June 21, 1983
    Assignee: Etablissements Somalor-Ferrari `Somafer`
    Inventors: Michel Donze, Severino Rugi
  • Method of removing cracks, and multiple-shape torch for carrying out the method
    Patent number: 4373969
    Abstract: The invention concerns a method of selective crack removal from ingots and slabs, and the torch for carrying out the method.The method comprises burning surface impurities with a jet of oxygen, the strength and shape of which vary continually according to the characteristics of the defect to be removed. The torch for carrying out the method has an oxygen nozzle which is divided into a plurality of parallel pipes, the supply of gas to the pipes being controlled individually.The method allows cracks to be removed economically and rapidly from metallurgical products such as ingots and slabs.
    Type: Grant
    Filed: July 30, 1981
    Date of Patent: February 15, 1983
    Assignee: Etablissements Somalor-Ferrari "Somafer"
    Inventor: Michel Donze