Patents by Inventor Christophe Sigli

Christophe Sigli 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).

  • Publication number: 20240133002
    Abstract: The invention relates to improved sheets for decorative and formable parts made of an aluminium alloy which comprises, in wt. %, Mg: 0.8-1.3, Mn: 0.8-1.2, Cu: 0.05-0.30, Cr: 0.05-0.30, Fe: ?0.4, Si: ?0.3, Zn: ?0.25, Ti: ?0.15, impurities<0.05 each and <0.15 total, remainder aluminium. The method to make a sheet according to the invention comprises casting a slab with a composition according to the invention, homogenizing, hot and cold rolling the slab, annealing and tension leveling. The sheet according to the invention are particularly useful to make a coated decorative part preferably a decorative part for an automobile, or a household appliance or a medical device.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 25, 2024
    Inventors: Emilie LAE, Christophe SIGLI, Christoph SEEMUELLER
  • Patent number: 11472532
    Abstract: Extrados structural element made from an aluminum, copper and lithium alloy and method for manufacturing same. An alloy with composition (in wt %) 4.2-5.2 Cu, 0.9-1.2 Li, 0.1-0.3 Ag, 0.1-0.25 Mg, 0.08-0.18 Zr, 0.01-0.15 Ti, an Fe and Si content level less than or equal to 0.1% each, and other element with content level less than or equal to 0.05% each and 0.15% in total, is poured, homogenized, deformed hot, placed in a solution at a temperature of at least 515° C., pulled from 0.5 to 5% and annealed. The combination of magnesium, copper and manganese content with the temperature in solution can reach an advantageous elasticity under compression limit. Products having a thickness of at least 12 mm have, in the longitudinal direction, an elasticity under compression limit of at least 645 MPa and an elongation of at least 7%.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: October 18, 2022
    Assignee: Constellium Issoire
    Inventors: Armelle Danielou, Gaelle Pouget, Christophe Sigli
  • Patent number: 11111562
    Abstract: The invention relates to a wrought product such as an extruded, rolled and/or forged aluminum alloy-based product, comprising, in weight %: Cu: 3.0-3.9; Li: 0.8-1.3; Mg: 0.6-1.0; Zr: 0.05-0.18; Ag: 0.0-0.5; Mn: 0.0-0.5; Fe+Si?0.20; Zn?0.15; at least one element from among: Ti: 0.01-0.15; Sc: 0.05-0.3; Cr: 0.05-0.3; Hf: 0.05-0.5; other elements ?0.05 each and ?0.15 total, remainder aluminum. The invention also relates to the process for producing said product. The products according to the invention are particularly useful in the production of thick aluminum products intended for producing structural elements in the aeronautical industry.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: September 7, 2021
    Assignee: CONSTELLIUM ISSOIRE
    Inventors: Timothy Warner, Christophe Sigli, Cedric Gasqueres, Armelle Danielou
  • Patent number: 10400313
    Abstract: A method for producing a rolled product 0.5 to 10 mm thick made from an aluminum alloy comprising, in particular, copper and lithium, in which, after solution annealing and quenching, a short heat treatment is carried out in which the sheet reaches a temperature of between 145° C. and 175° C. for 0.1 to 45 minutes, the speed of heating being between 3 and 600° C./min. The sheet obtained at the end of the method according to the invention has high corrosion resistance and is capable of being shaped for producing a structural element for an aircraft, in particular an aircraft fuselage skin.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: September 3, 2019
    Assignee: CONSTELLIUM ISSOIRE
    Inventors: Christophe Sigli, Bernard Bes, Frank Eberl
  • Publication number: 20180363114
    Abstract: The invention is a rolled and/or forged product, made of an aluminium-based alloy comprising, in % by weight, Cu: 3.2-4.0; Li: 0.80-0.95; Zn: 0.45-0.70; Mg: 0.15-0.7; Zr: 0.07-0.15; Mn: 0.1-0.6; Ag:<0.15; Fe+Si?0.20; at least one element from Ti: 0.01-0.15; Se: 0.02-0.1; Cr: 0.02-0.1; Hf: 0.02-0.5; V: 0.02-0.1; other elements ?0.05 each and ?0.15 in total, remainder aluminium. In the process for manufacturing the products according to the invention a bath of liquid metal based on aluminium as alloy according to the invention is melted, an unwrought product is cast from said bath of liquid metal; said unwrought product is homogenized at a temperature between 450° C. and 550° C.; said unwrought product is hot worked and optionally cold worked preferably to a thickness of at least 15 mm: said product is solution treated between 490° C. and 530° C.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 20, 2018
    Inventors: Ricky WHELCHEL, Alireza ARBAB, Bernard BES, Christophe SIGLI
  • Publication number: 20180312952
    Abstract: The invention relates to wrought aluminum and magnesium alloy products (type Al—Mg, also known under the name of aluminum alloy of the 5XXX series according to the Aluminum Association), more particularly Al—Mg—Zr alloy products having a high mechanical strength and good aptitude for forming. The invention also has for object a method for manufacturing as well as the use of these products intended for transports and in particular in aeronautics and space construction.
    Type: Application
    Filed: October 11, 2016
    Publication date: November 1, 2018
    Inventors: Gaëlle POUGET, Jean-Christophe EHRSTROM, Christophe SIGLI
  • Patent number: 9869008
    Abstract: The disclosure provides for wrought products made of Al—Cu—Mg aluminum alloy composed as follows, as a percentage by weight, Cucorr: 2,6-3.7; Mgcorr: 1.5-2.6, Mn: 0.2-0.5; Zr: ?0.16; Ti: 0.01-0.15; Cr?0.25; Si?0.2; Fe?0.2; other elements <0.05 the rest aluminum; with Cucorr>?0.9(Mgcorr)+4.3 and Cucorr<?0.9(Mgcorr)+5.0; where Cucorr=Cu?0.74(Mn?0.2)?2.28 Fe and Mgcorr=Mg?1.73(Si?0.05) for Si?0.05 and Mgcorr=Mg for Si<0.05 and their manufacturing process.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: January 16, 2018
    Assignee: CONSTELLIUM ISSOIRE
    Inventors: Gaelle Pouget, Christophe Sigli
  • Publication number: 20160304995
    Abstract: The invention concerns the method for producing a rolled product 0.5 to 10 mm thick made from an aluminium alloy comprising, in particular, copper and lithium, in which, after solution annealing and quenching, a short heat treatment is carried out in which the sheet reaches a temperature of between 145° C. and 175° C. for 0.1 to 45 minutes, the speed of heating being between 3 and 600° C./min. The sheet obtained at the end of the method according to the invention has high corrosion resistance and is capable of being shaped for producing a structural element for an aircraft, in particular an aircraft fuselage skin.
    Type: Application
    Filed: April 7, 2014
    Publication date: October 20, 2016
    Inventors: Christophe SIGLI, Bernard BES, Frank EBERL
  • Publication number: 20160144946
    Abstract: The invention relates to an extrados structural element made from an aluminum, copper and lithium alloy and a method for manufacturing same. In the method according to the invention, an alloy with composition (in wt %) 4.2 to 5.2 Cu, 0.9 to 1.2 Li, 0.1 to 0.3 Ag, 0.1 to 0.25 Mg, 0.08 to 0.18 Zr, 0.01 to 0.15 Ti, optionally up to 0.2 Zn, optionally up to 0.6 Mn, an Fe and Si content level less than or equal to 0.1% each, and other element with a content level less than or equal to 0.05% each and 0.15% in total, the aluminum is poured, homogenized, deformed hot and optionally cold, placed in a solution at a temperature of at least 515° C., pulled from 0.5 to 5% and annealed. The combination in particular of the magnesium, copper and manganese content with the temperature in solution can reach a very advantageous elasticity under compression limit.
    Type: Application
    Filed: June 18, 2014
    Publication date: May 26, 2016
    Applicant: Constellium Issoire
    Inventors: Armelle DANIELOU, Gaelle POUGET, Christophe SIGLI
  • Publication number: 20140283958
    Abstract: An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 25, 2014
    Applicant: Constellium France
    Inventors: Bernard BES, Herve RIBES, Christophe SIGLI, Timothy WARNER
  • Patent number: 8771441
    Abstract: An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: July 8, 2014
    Inventors: Bernard Bes, Herve Ribes, Christophe Sigli, Timothy Warner
  • Publication number: 20120261036
    Abstract: The disclosure provides for wrought products made of Al—Cu—Mg aluminum alloy composed as follows, as a percentage by weight, Cucorr: 2.6-3.7; Mgcorr: 1.5-2.6, Mn: 0.2-0.5; Zr: ?0.16; Ti: 0.01-0.15; Cr?0.25; Si?0.2; Fe?0.2; other elements <0.05 the rest aluminum; with Cucorr>?0.9 (Mgcorr)+4.3 and Cucorr<?0.9 (Mgcorr)+5.0; where Cucorr?Cu?0.74 (Mn?0.2)?2.28 Fe and Mgcorr?Mg 1.73 (Si?0.05) for Si?0.05 and Mgcorr?Mg for Si<0.05 and their manufacturing process.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 18, 2012
    Applicant: CONSTELLIUM FRANCE
    Inventors: Gaelle POUGET, Christophe SIGLI
  • Publication number: 20120152415
    Abstract: The invention relates to a manufacturing process for flat-rolled products made of an alloy containing aluminum, including the steps of production, casting, homogenization, rolling at temperature greater than 400° C., solution heat treating, quenching, stretching between 2 and 3.5% and aging. The invention also relates to flat-rolled products obtained by this process, which offer a favorable compromise of properties between mechanical resistance under compression and stretching and fracture toughness. The products according to the invention are useful in particular for the manufacture of upper wing skins.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 21, 2012
    Applicant: CONSTELLIUM FRANCE
    Inventors: Armelle DANIELOU, Gaelle POUGET, Christophe SIGLI, Timothy WARNER
  • Publication number: 20110209801
    Abstract: The invention relates to a wrought product such as an extruded, rolled and/or forged aluminum alloy-based product comprising, in weight %: Cu: 3.0-3.9; Li: 0.8-1.3; Mg; 0.6-1.0; Zr: 0.05-0.18; Ag: 0.0-0.05; Mn: 0.0-0.5; Fe+Si?0.20; Zn?0.15; at least one element from among: Ti: 0.01-0.15; Sc: 0.05-0.3; Cr: 0.05-0.3; Hf: 0.05-0.5; other elements ?0.05 each and ?0.15 total, remainders aluminum. The invention also relates to the process for producing said product. The products according to the invention are particularly useful in the production of thick aluminum products intended for producing structural elements in the aeronautical industry.
    Type: Application
    Filed: June 22, 2010
    Publication date: September 1, 2011
    Applicant: Alcan Rhenalu
    Inventors: Timothy WARNER, Christophe SIGLI, Cedric GASQUERES, Armelle DANIELOU
  • Patent number: 7939182
    Abstract: An aluminum-based welding filler wire is made with an aluminum alloy that contains between 0.1 and 6 wt. % titanium, including one portion in the form of TiB2 particles, TiC particles, or a combination thereof, and another portion in the form of free titanium. The filler wire can be used in welding aluminum-based materials.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: May 10, 2011
    Assignee: Aluminium Pechiney
    Inventors: Laurent Cottignies, Claudine Strippoli Gerin, Philippe Jarry, Christine Henon, Christophe Sigli
  • Publication number: 20110030856
    Abstract: The invention relates to a wrought product such as an extruded, rolled and/or forged aluminum alloy-based product, comprising, in weight %: Cu: 3.0-3.9; Li: 0.8-1.3; Mg: 0.6-1.0; Zr: 0.05-0.18; Ag: 0.0-0.5; Mn: 0.0-0.5; Fe+Si?0.20; Zn?0.15; at least one element from among: Ti: 0.01-0.15; Sc: 0.05-0.3; Cr: 0.05-0.3; Hf: 0.05-0.5; other elements ?0.05 each and ?0.15 total, remainder aluminum. The invention also relates to the process for producing said product. The products according to the invention are particularly useful in the production of thick aluminum products intended for producing structural elements in the aeronautical industry.
    Type: Application
    Filed: June 22, 2010
    Publication date: February 10, 2011
    Applicant: ALCAN RHENALU
    Inventors: Timothy WARNER, Christophe Sigli, Cedric Gasqueres, Armelle Danielou
  • Patent number: 7744704
    Abstract: A low density aluminum based alloy useful in aircraft structure for fuselage sheet or light-gauge plate applications which has high strength, high fracture toughness and high corrosion resistance, comprising 2.7 to 3.4 weight percent Cu, 0.8 to 1.4 weight percent Li, 0.1 to 0.8 weight percent Ag, 0.2 to 0.6 weight percent Mg and a grain refiner such as Zr, Mn, Cr, Sc, Hf, Ti or a combination thereof, the amount of which being 0.05 to 0.13 wt. % for Zr, 0.1 to 0.8 wt. % for Mn, 0.05 to 0.3 wt. % for Cr and Sc, 0.05 to 0.5 wt. % for Hf and 0.05 to 0.15 wt. % for Ti. The amount of Cu and Li preferably corresponds to the formula Cu(wt. %)+5/3 Li(wt. %)<5.2.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: June 29, 2010
    Assignee: Alcan Rhenalu
    Inventors: Bernard Bés, Hervé Ribes, Christophe Sigli, Timothy Warner
  • Patent number: 7550110
    Abstract: The invention relates to alloys and associated products which are laminated, extruded or forged in Al—Zn—Mg—Cu alloy. Alloys of the invention generally comprise (in mass percentage): a) Zn 8.3-14.0=Cu 0.3-4.0=Mg 0.5-4.5 Zr 0.03-0.15 Fe+Si<0.25 b) at least one element selected from the group consisting of Sc, Hf, La, Ti, Ce, Nd, Eu, Gd, Tb, Dy, Ho, Er, Y and Yb, the content of each elements; if included, being between 0.02 and 0.7%, and c) the aluminum remainder and inevitable impurities, and wherein Mg/Cu<2.4 and (7.7?0.4 Zn)>(Cu+Mg)>(6.4?0.4 Zn). Products of the present invention are useful as structural elements (for example wing unit caisson, wing unit extrados) in aeronautical construction.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: June 23, 2009
    Assignee: Alcan Rhenalu
    Inventors: Timothy Warner, Christophe Sigli, Bernard Bes
  • Publication number: 20080193792
    Abstract: An aluminum-based welding filler wire is made with an aluminum alloy that contains between 0.1 and 6 wt. % titanium, including one portion in the form of TiB2 particles, TiC particles, or a combination thereof, and another portion in the form of free titanium. The filler wire can be used in welding aluminum-based materials.
    Type: Application
    Filed: August 31, 2005
    Publication date: August 14, 2008
    Inventors: Laurent Cottignies, Claudine Strippoli Gerin, Jarry Philippe, Christine Henon, Christophe Sigli
  • Publication number: 20070181229
    Abstract: An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.
    Type: Application
    Filed: December 18, 2006
    Publication date: August 9, 2007
    Inventors: Bernard Bes, Herve Ribes, Christophe Sigli, Timothy Warner