Patents by Inventor Edgardo Oscar López

Edgardo Oscar López 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: 8007601
    Abstract: A method for producing a tubular bar, more particularly a stabilizer bar, is provided. The method comprises providing a tubular bar of desired size having an outer and inner surface, heating the bar to an elevated temperature, quenching the bar by application of a cooling fluid to the surfaces of the bar, and forming the tube to a desired shape without annealing. The method further provides for the composition of a high-strength, high formability carbon steel alloy to be used in conjunction with the method. Advantageously, the bar is formable without thermal processing subsequent to quenching. In this fashion, metal tubular bars, such as stabilizer bars, may be formed at reduced cost.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: August 30, 2011
    Assignee: Tenaris Connections Limited
    Inventors: Edgardo Oscar López, Lorenzo Vito Caserta, Hernán Juan Desimone, Cuauhtémoc Martinez Salazar
  • Publication number: 20100327550
    Abstract: A method for producing a tubular bar, more particularly a stabilizer bar, is provided. The method comprises providing a tubular bar of desired size having an outer and inner surface, heating the bar to an elevated temperature, quenching the bar by application of a cooling fluid to the surfaces of the bar, and forming the tube to a desired shape without annealing. The method further provides for the composition of a high-strength, high formability carbon steel alloy to be used in conjunction with the method. Advantageously, the bar is formable without thermal processing subsequent to quenching. In this fashion, metal tubular bars, such as stabilizer bars, may be formed at reduced cost.
    Type: Application
    Filed: June 28, 2010
    Publication date: December 30, 2010
    Applicant: Tenaris Connections Limited
    Inventors: Edgardo Oscar López, Lorenzo Vito Caserta, Hernán Juan Desimone, Cuauhtémoc Martinez Salazar
  • Patent number: 7744708
    Abstract: A method for producing a tubular bar, more particularly a stabilizer bar, is provided. The method comprises providing a tubular bar of desired size having an outer and inner surface, heating the bar to an elevated temperature, quenching the bar by application of a cooling fluid to the surfaces of the bar, and forming the tube to a desired shape without annealing. The method further provides for the composition of a high-strength, high formability carbon steel alloy to be used in conjunction with the method. Advantageously, the bar is formable without thermal processing subsequent to quenching. In this fashion, metal tubular bars, such as stabilizer bars, may be formed at reduced cost.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: June 29, 2010
    Assignee: Tenaris Connections Limited
    Inventors: Edgardo Oscar López, Lorenzo Vito Caserta, Hernán Juan Desimone, Cuauhtémoc Martinez Salazar
  • Publication number: 20090101242
    Abstract: A low carbon alloy steel tube and a method of manufacturing the same, especially for a stored gas inflator pressure vessel, in which the steel tube consists essentially of, by weight: about 0.06% to about 0.18% carbon, about 0.3% to about 1.5% manganese, about 0.05% to about 0.5% silicon, up to about 0.015% sulfur, up to about 0.025% phosphorous, and at least one of the following elements: up to about 0.30% vanadium, upto t about 0.10% aluminum, up to about 0.06% niobium, up to about 1% chromium, up to about 0.70 % nickel, up to about 0.70% molybdenum, up to about 0.35% copper, up to about 0.15% residual elements, and the balance iron and incidental impurities. After a high heating rate of about 100° C. per second; rapidly and fully quenching the steel tubing in a water-based quenching solution at a cooling rate of about 100° C. per second. The steel has a tensile strength of at least about 145 ksi and as high as 220 ksi and exhibits ductile behavior at temperatures as low as ?100° C.
    Type: Application
    Filed: December 17, 2008
    Publication date: April 23, 2009
    Applicant: TENARIS CONNECTIONS A.G.
    Inventors: Edgardo Oscar Lopez, Eduardo Altschuler