Patents by Inventor Hidehiko Kanehira

Hidehiko Kanehira 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).

  • Patent number: 4465921
    Abstract: A flux-cored welding electrode for gas-shielded arc welding comprising a mild steel sheath and a flux core, said flux core having the following composition based on the total weight of the electrode:TiO.sub.2 -4 to 8.5%Mg-0.2 to 0.8%Ti-0.03 to 0.7%B-0.002 to 0.025%Mn-1.0 to 3.0%Si-0.01 to 1.2%Metal fluorides-0.1 to 0.30% as F-contentOxides-not more than 8.5%, including TiO.sub.2.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: August 14, 1984
    Assignee: Kobe Steel, Limited
    Inventors: Yoshiya Sakai, Yasuhiro Nagai, Kazuo Ikemoto, Takakiyo Aoki, Hidehiko Kanehira
  • Patent number: 4366364
    Abstract: A flux-cored wire for use in gas shielded arc welding wherein flux of the following composition (weight % with regard to the entire wire) is inserted as a core into a metallic casing and the whole hydrogen content (H) of the wire is defined as 15 ppm .ltoreq.H.ltoreq.139+440F ppm (F: the weight % of fluorine with regard to the entire wire):______________________________________ Metal fluoride (as fluorine) 0.025-0.35% preferably, 0.025-0.27% Metal carbonate .ltoreq.0.5 One or more selected from Al, Ti, V and Ca .ltoreq.0.75% TiO.sub.2 3.5-7.4% SiO.sub.2 .ltoreq.2.0% MgO and/or ZrO.sub.2 0.03-1.2% Al.sub.2 O.sub.3 .ltoreq.1.5% C .ltoreq.0.15% Mn 1.2-3.0% Si 0.3-1.2%.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: December 28, 1982
    Assignee: Kobe Steel, Ltd.
    Inventors: Toshio Arai, Hidehiko Kanehira, Kazuo Ikemoto