Patents Assigned to Constellium France
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Patent number: 10968501Abstract: The invention concerns a process to manufacture a flat-rolled product, notably for the aeronautic industry containing aluminum alloy, in which, notably a flattening and/or stretching is performed with a cumulated deformation of at least 0.5% and less than 3% and a short heat-treatment is performed in which the sheet reaches a temperature between 130° C. and 170° C. for a period of 0.1 to 13 hours. The invention notably makes it possible to simplify the forming process of fuselage skins and to improve the balance between static mechanical strength properties and damage tolerance properties.Type: GrantFiled: October 12, 2012Date of Patent: April 6, 2021Assignee: CONSTELLIUM FRANCEInventors: Frank Eberl, Bernard Bes
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Patent number: 10577683Abstract: The invention relates to a process for the manufacture of an aluminum alloy sheet for metal bottles or aerosol cans. The invention also relates to a sheet manufactured by a process such as that described above, together with metal bottles or bottle-cans, together with aerosol cans or aerosol dispensers made from the said sheet.Type: GrantFiled: May 13, 2014Date of Patent: March 3, 2020Assignee: CONSTELLIUM FRANCEInventors: Herve Vichery, Emilie Lae, Michel Striebig
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Patent number: 9220399Abstract: The invention relates to an endoscopic imaging system for observation of an operative site (2) inside a volume (1) located inside the body of an animal, comprising: Image capture means (3) intended to provide data on the operative site (2), Processing means (4) to process data derived from the image capture means, Display means (5) displaying data processed by the processing means (4), characterized in that: The image capture means (3) comprise at least two image capture devices that are independent and mobile relative to one another, the image capture devices being intended to be positioned inside the volume (1), and in that: The processing means (4) comprise computing means to obtain three-dimensional data on the observed operative site (2) from data provided by the image capture devices, and means to reconstruct a three-dimensional image of a region of interest of the operative site from the three-dimensional data obtained.Type: GrantFiled: August 20, 2008Date of Patent: December 29, 2015Assignee: CONSTELLIUM FRANCEInventors: Philippe Cinquin, Sandrine Voros, Christophe Boschet, Céline Fouard, Alexandre Moreau-Gaudry
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Patent number: 8985190Abstract: The invention relates to a method for the vertical semi-continuous direct chill casting of composite billets or plates comprising at least two layers of aluminum alloys, using a separator which is in contact with the solidification front and which provides a seal between the two alloys during casting, said separator being vibrated while it is in contact with the solidification front, so that the separator is not frozen in and entrained by the solid metal. The invention also relates to a device that can be used to carry out said method.Type: GrantFiled: July 10, 2012Date of Patent: March 24, 2015Assignee: Constellium FranceInventors: Philippe Jarry, Serge Guy
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Publication number: 20140283958Abstract: 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: ApplicationFiled: May 12, 2014Publication date: September 25, 2014Applicant: Constellium FranceInventors: Bernard BES, Herve RIBES, Christophe SIGLI, Timothy WARNER
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Patent number: 8833006Abstract: Sheet metal plate for creating flooring, particularly of industrial vehicles, over which trucks are to run, having a plurality of patterns, the maximum height of said reliefs ranging between 0.2 and 1.5 mm, said reliefs having a friction surface which has a mean width of at least 1 mm, in which said reliefs are arranged in a plurality of aligned groups of reliefs all of the same shape, the same orientation, and with their centers of gravity substantially aligned in one and the same given direction (D), the minimum distance, measured in said direction (D), between two adjacent reliefs of one and the same aligned group being less than 6 mm. The direction (D) in which the aligned groups are aligned advantageously coincides with the direction (De) in which the trucks run.Type: GrantFiled: March 23, 2011Date of Patent: September 16, 2014Assignee: Constellium FranceInventors: Sylvie Arsene, Pascale Favier
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Publication number: 20140220381Abstract: The subject of the invention is a composite sheet material made of aluminium alloy for motor vehicle body components, in which a cladding sheet is applied to at least one side of a core, the compositions of the core and of the cladding sheet, in weight percentages, being such as below (See table): other elements <0.05 each and 0.15 in total, remainder aluminium. Another subject of the invention is the process for manufacturing said composite sheet material by co-rolling.Type: ApplicationFiled: August 30, 2012Publication date: August 7, 2014Applicant: CONSTELLIUM FRANCEInventors: Estelle Muller, Sylvain Henrry, Gilles Guiglionda
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Publication number: 20140182821Abstract: The invention relates to an assembly of two brazing sheets the first one of which consists of a 3xxx alloy clad on one surface with a 1xxx alloy, the second one of which consists of an AA3xxx alloy clad on both surfaces thereof with a 4xxx alloy, which are assembled together by brazing so as to form a disrupted channel for the flow of exhaust gases, in particular for an engine vehicle.Type: ApplicationFiled: May 3, 2012Publication date: July 3, 2014Applicant: Constellium FranceInventors: Elodie Perrin, Sylvain Henry, Lionel Gerber
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Publication number: 20140138041Abstract: The invention relates to a method for the vertical semi-continuous direct chill casting of composite billets or plates comprising at least two layers of aluminium alloys, using a separator which is in contact with the solidification front and which provides a seal between the two alloys during casting, said separator being vibrated while it is in contact with the solidification front, so that the separator is not frozen in and entrained by the solid metal. The invention also relates to a device that can be used to carry out said method.Type: ApplicationFiled: July 10, 2012Publication date: May 22, 2014Applicant: CONSTELLIUM FRANCEInventors: Philippe Jarry, Serge Guy
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Patent number: 8693812Abstract: Provided herein is a method for manufacturing a worked product comprising a fiber sensor therein. Also provided is a wrought product comprising a fiber sensor as well as structural elements and other products including fuselage skin and a wing panel.Type: GrantFiled: March 18, 2008Date of Patent: April 8, 2014Assignee: Constellium FranceInventors: Jean-Christophe Ehrstrom, Laurent Cervi, Frank Eberl, Michelle Salvia
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Patent number: 8663817Abstract: A brazing sheet made up of a core sheet made of aluminum alloy covered on at least one side with a layer of cladding forming a sacrificial anode. The layer of cladding is formed of an aluminum alloy of chemical composition, in % by weight: Si: >2.0-7.0; Fe<0.5; Cu<1.0; Mn: 1.0-2.0; Mg<0.5; Zn: 1.0-3.0; Cr<0.25; Ni<1.5; Ti<0.25; Co<1.5; V, In, Sn, Zr, Sc<0.25 each; other elements <0.05 each and 0.15 in total. A heat exchanger tube may be produced by folding and brazing from the brazing sheet, where the layer of cladding forms a sacrificial anode constituting the lining of the tube or “inner-liner.Type: GrantFiled: May 28, 2009Date of Patent: March 4, 2014Assignee: Constellium FranceInventors: Sylvain Henry, Elodie Perrin
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Publication number: 20140037984Abstract: The present invention relates to aluminum-lithium alloys in general and, in particular, such products as used in the aircraft industry and the welding of these.Type: ApplicationFiled: May 14, 2013Publication date: February 6, 2014Applicant: CONSTELLIUM FRANCEInventors: Franck Eberl, Stephane Jambu, Christian Barthelemy, Gaelle Pouget
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Publication number: 20130284322Abstract: The present invention relates to an aluminum alloy for the manufacture of thick blocks comprising (as a percentage by weight), Zn: 5.3-5.9%, Mg: 0.8-1.8%, Cu: <0.2%, Zr: 0.05 to 0.12%, Ti<0.15%, Mn<0.1%, Cr<0.1%, Si<0.15%, Fe<0.20%, impurities having an individual content of <0.05% each and <0.15% in total, the rest aluminum, The alloy may be used in a process comprising the steps of: (a) casting a thick block of an alloy according to the invention (b) solution heat treating said cast block at a temperature of 500 to 560° C. for 10 minutes to 20 hours, (c) cooling said solution heat treated block to a temperature below 100° C., (d) tempering said solution heat treated and cooled block by heating to 120 to 170° C. for 4 to 48 hours, In this process, said block is not subjected to any significant deformation by working between the casting and the tempering.Type: ApplicationFiled: December 6, 2011Publication date: October 31, 2013Applicants: CONSTELLIUM VALAIS SA (AG, LTD), CONSTELLIUM FRANCEInventors: Cedric Gasqueres, Jean-Etienne Fournier
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Publication number: 20130269840Abstract: The invention relates to an extruded product made of an alloy containing aluminum comprising 4.2 wt % to 4.8 wt % of Cu, 0.9 wt % to 1.1 wt % of Li, 0.15 wt % to 0.25 wt % of Ag, 0.2 wt % to 0.6 wt % of Mg, 0.07 wt % to 0.15 wt % of Zr, 0.2 wt % to 0.6 wt % of Mn, 0.01 wt % to 0.15 wt % of Ti, a quantity of Zn less than 0.2 wt %, a quantity of Fe and Si less than or equal to 0.1 wt % each, and unavoidable impurities with a content less than or equal to 0.05 wt % each and 0.15 wt % in total. The profiles according to the invention are particularly useful as fuselage stiffeners or stringers, circumferential frames, wing stiffeners, floor beams or profiles, or seat tracks, notably owing to their improved properties in relation to those of known products, in particular in terms of energy absorption during an impact, static mechanical strength and corrosion resistance properties and their low density.Type: ApplicationFiled: March 13, 2013Publication date: October 17, 2013Applicant: CONSTELLIUM FRANCEInventors: Armelle Danielou, Mathieu Marquette, Jerome Pignatel, Gaelle Pouget, Timothy Warner
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Publication number: 20130248053Abstract: The present disclosure concerns a method for assembling aluminum alloy parts, in which (i) at least a first aluminum alloy part is procured in a solution heat treated, quenched, optionally cold worked, and naturally aged at ambient temperature or pre-aged temper, and at least a second aluminum alloy part, (ii) said parts are welded to obtain a welded assembly having a welded zone, (iii) cold working the entire welded zone between 0.3% and 5% is performed, (iv) the welded assembly thus cold worked undergoes post-weld aging to obtain a final metallurgical temper.Type: ApplicationFiled: May 22, 2013Publication date: September 26, 2013Applicant: CONSTELLIUM FRANCEInventors: Isabelle Bordesoules - Eberl, Armelle Danielou, Christine Henon, Philippe Lequeu
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Publication number: 20130233972Abstract: Fiber metal laminate (4) and an aircraft wing (1) are provided.Type: ApplicationFiled: October 14, 2011Publication date: September 12, 2013Applicant: CONSTELLIUM FRANCEInventors: Christiaan Reyndert Alderliesten, Rinze Benedictus
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Patent number: 8486206Abstract: A method for the production of swaged aluminum alloy parts, by production of a 0.5 mm-5 mm thick alloy strip made of 1-6 wt. % Mg, <1.2 wt. % Mn, <1 wt. % Cu, <1 wt. % Zn, <3 wt. % Si, <2 wt. % Fe, <0.4 wt. % Cr, Zr<0.3, other elements <0.1 each, total of <0.5, the remainder being Al, cutting a blank from the strip, locally or totally heating the blank at a temperature of 150-350° C. for <30 secs, and swaging the heated blank with the aid of heated tools, at least partially, at a temperature of 150-350° C. in the presence of a lubricant which is compatible with later operations. The swaged parts are automotive body work parts.Type: GrantFiled: February 24, 2004Date of Patent: July 16, 2013Assignee: Constellium FranceInventors: Pierre Litalien, Alain Legendre, Dominique Daniel, Guy-Michel Raynaud
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Patent number: 8469255Abstract: The present disclosure concerns a method for assembling aluminum alloy parts, in which (i) at least a first aluminum alloy part is procured in a solution heat treated, quenched, optionally cold worked, and naturally aged at ambient temperature or pre-aged temper, and at least a second aluminum alloy part, (ii) said parts are welded to obtain a welded assembly having a welded zone, (iii) cold working the entire welded zone between 0.3% and 5% is performed, (iv) the welded assembly thus cold worked undergoes post-weld aging to obtain a final metallurgical temper.Type: GrantFiled: May 3, 2010Date of Patent: June 25, 2013Assignee: Constellium FranceInventors: Isabelle Bordesoules, Armelle Danielou, Christine Henon, Philippe Lequeu
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Publication number: 20130095343Abstract: Sheet metal plate for creating flooring, particularly of industrial vehicles, over which trucks are to run, having a plurality of patterns, the maximum height of said reliefs ranging between 0.2 and 1.5 mm, said reliefs having a friction surface which has a mean width of at least 1 mm, in which said reliefs are arranged in a plurality of aligned groups of reliefs all of the same shape, the same orientation, and with their centers of gravity substantially aligned in one and the same given direction (D), the minimum distance, measured in said direction (D), between two adjacent reliefs of one and the same aligned group being less than 6 mm. The direction (D) in which the aligned groups are aligned advantageously coincides with the direction (De) in which the trucks run.Type: ApplicationFiled: March 23, 2011Publication date: April 18, 2013Applicant: CONSTELLIUM FRANCEInventors: Sylvie Arsene, Pascale Favier
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Publication number: 20130092294Abstract: The invention concerns a process to manufacture a flat-rolled product, notably for the aeronautic industry containing aluminum alloy comprising 2.1% to 3.9% Cu by weight, 0.7% to 2.0% Li by weight, 0.1% to 1,0% Mg by weight, 0% to 0.6% Ag by weight, 0% to 1% Zn by weight, at least 0.20% Fe+Si by weight, at least one element chosen from Zr, Mn, Cr, Sc, Hf and Ti, the quantity of said element, if chosen, being 0.05% to 0.18% by weight for Zn, 0.1% to 0.6% by weight for Mn, 0.05% to 0.3% by weight for Cr, 0.02% to 0.2% by weight for Sc, 0.05% to 0.5% by weight for Hf and 0.01% to 0.15% by weight for Ti, the other elements at most 0.05% by weight each and 0.15% by weight in total, the rest being aluminum, in which, notably a flattening and/or stretching is performed with a cumulated deformation of at least 0.5% and less than 3%, and a short heat-treatment is performed in which the sheet reaches a temperature between 130° C. and 170° C. for a period of 0.1 to 13 hours.Type: ApplicationFiled: October 12, 2012Publication date: April 18, 2013Applicant: CONSTELLIUM FRANCEInventor: CONSTELLIUM FRANCE