Patents Assigned to La Soudure Electrique Autogene, Procedes Arcos, S.A.
  • Basic agglomerated flux with a high CaO content for the welding of ordinary or low alloy steels
    Patent number: 4066478
    Abstract: A prefused basic flux composition comprising:______________________________________ SiO.sub.2 about 25 to about 35% Al.sub.2 O.sub.3 about 2 to about 6% TiO.sub.2 about 3 to about 7% CaF.sub.2 about 5 to about 11.25% CaO about 44 to about 52% MgO about 1 to about 10% MnO about 0.5 to about 5% Na.sub.2 O about 4.5 to about 8% K.sub.2 O about 0.5 to about 1.5% FeO 0 to about 2% ______________________________________And wherein the weight ratio of CaO to CaF.sub.2 is equal to or greater than about 4.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: January 3, 1978
    Assignee: La Soudure Electrique Autogene, Procedes Arcos, S.A.
    Inventor: Robert Jean De Haeck
  • Flux for the submerged arc welding of ordinary, semi-alloyed or special steels
    Patent number: 4036671
    Abstract: Flux for welding ordinary, semi-alloyed, alloyed or special steels with a high rate of efficiency and high rate of speed and containing a relatively high amount of Fe powder.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: July 19, 1977
    Assignee: La Soudure Electrique Autogene, Procedes Arcos, S.A.
    Inventor: Robert Jean De Haeck