Patents by Inventor Dominique Bernard Riche

Dominique Bernard Riche 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).

  • Cored wire for introducing additives into a molten metal bath
    Patent number: 6770366
    Abstract: The invention relates to a cored wire for introducing additives into a molten metal bath comprising a metallic sheath (5) containing an additive (6), which metallic sheath is covered by a wrapping (7) which, being combustible without leaving harmful residues, momentarily retards the propagation of heat to the core of the cored wire, this cored wire being characterized in that on top of this combustible wrapping, a protective metallic casing encloses the assembly thus constituted by the additive, the metallic sheath and the combustible wrapping.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: August 3, 2004
    Assignee: Affival S.A.
    Inventors: Dominique Bernard Riche, Jean-Claude Becart
  • Cored wire for introducing additives into a molten metal bath
    Publication number: 20020025434
    Abstract: The invention relates to a cored wire for introducing additives into a molten metal bath comprising a metallic sheath (5) containing an additive (6), which metallic sheath is covered by a wrapping (7) which, being combustible without leaving harmful residues, momentarily retards the propagation of heat to the core of the cored wire, this cored wire being characterized in that on top of this combustible wrapping, a protective metallic casing encloses the assembly thus constituted by the additive, the metallic sheath and the combustible wrapping.
    Type: Application
    Filed: March 16, 2001
    Publication date: February 28, 2002
    Inventors: Dominique Bernard Riche, Jean-Claude Becart