Patent application number | Description | Published |
20100126637 | Aluminum-Copper-Lithium Products - The present invention relates to extruded, rolled and/or forged products. Also provided are methods of making such products based on aluminum alloy wherein a liquid metal bath is prepared comprising 2.0 to 3.5% by weight of Cu, 1.4 to 1.8% by weight of Li, 0.1 to 0.5% by weight of Ag, 0.1 to 1.0% by weight of Mg, 0.05 to 0.18% by weight of Zr, 0.2 to 0.6% by weight of Mn and at least one element selected from Cr, Sc, Hf and Ti, the quantity of said element, if it is selected, being 0.05 to 0.3% by weight for Cr and for Sc, 0.05 to 0.5% by weight for Hf and 0.01 to 0.15% by weight for Ti, the remainder being aluminum and inevitable impurities. The products and methods of the present invention offer a particularly advantageous compromise between static mechanical strength and damage tolerance and are particularly useful in the field of aeronautical design. | 05-27-2010 |
20110108170 | METHOD OF PREPARATION PRIOR TO THE WELDING OF LITHIUM-ALUMINIUM ALLOY PRODUCTS - 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. | 05-12-2011 |
20110278397 | ALUMINUM-COPPER-LITHIUM ALLOY FOR A LOWER WING SKIN ELEMENT - The present disclosure relates to an alloy containing aluminum including, as a % by weight, 2.1 to 2.4% of Cu, 1.3 to 1.6% of Li, 0.1 to 0.5% of Ag, 0.2 to 0.6% of Mg, 0.05 to 0.15% of Zr, 0.1 to 0.5% of Mn, 0.01 to 0.12% of Ti, optionally at least one element chosen from among Cr, Sc, and Hf, the quantity of the element, if it is chosen, being from 0.05 to 0.3% for Cr and Sc, 0.05 to 0.5% for Hf, a quantity of Fe and Si each less than or equal to 0.1 and inevitable impurities at a rate of less than or equal to 0.05 each and 0.15 in total. The alloy can be used to produce extruded, rolled and/or forged products particularly suitable for the manufacture of elements for the lower wing skin of aircrafts. | 11-17-2011 |
20120152415 | ALUMINUM COPPER LITHIUM ALLOY WITH IMPROVED RESISTANCE UNDER COMPRESSION AND FRACTURE TOUGHNESS - 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. | 06-21-2012 |
20120261036 | HIGH-TEMPERATURE EFFICIENT ALUMINUM COPPER MAGNESIUM ALLOYS - The disclosure provides for wrought products made of Al—Cu—Mg aluminum alloy composed as follows, as a percentage by weight, Cu | 10-18-2012 |
20130255839 | ALUMINIUM-COPPER-LITHIUM PRODUCTS - The present invention relates to extruded, rolled and/or forged products. Also provided are methods of making such products based on aluminum alloy wherein a liquid metal bath is prepared comprising 2.0 to 3.5% by weight of Cu, 1.4 to 1.8% by weight of Li, 0.1 to 0.5% by weight of Ag, 0.1 to 1.0% by weight of Mg, 0.05 to 0.18% by weight of Zr, 0.2 to 0.6% by weight of Mn and at least one element selected from Cr, Sc, Hf and Ti, the quantity of said element selected, being 0.05 to 0.3% by weight for Cr and for Sc, 0.05 to 0.5% by weight for Hf and 0.01 to 0.15% by weight for Ti, the remainder being aluminum and inevitable impurities. The products and methods of the present invention offer an advantageous compromise between static mechanical strength and damage tolerance and are useful in aeronautical design. | 10-03-2013 |
20130269840 | ALUMINUM-COPPER-LITHIUM ALLOY WITH IMPROVED IMPACT RESISTANCE - 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. | 10-17-2013 |
20140037984 | METHOD OF PREPARATION PRIOR TO THE WELDING OF LITHIUM-ALUMINIUM ALLOY PRODUCTS - 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. | 02-06-2014 |
Patent application number | Description | Published |
20090196893 | Aqueous Cosmetic Composition, Especially for Use as Moisturizing Lotions - The invention relates to the use of an aqueous composition comprising at least one surface-active agent in the form of bilayers and exhibiting a structure of sponge phase type as cosmetic composition or for the preparation of a cosmetic composition. | 08-06-2009 |
20110081387 | LIPOSOMES ENCAPSULATING AN OXAZOLIDIN-2-ONE COMPOUND - The invention is directed to liposomes comprising at least one wall formed by a bilayer of amphiphilic lipids and containing an oxazolidin-2-one compound substituted in the 4-position, of formula (I): | 04-07-2011 |
20120027824 | Preparations facilitated by vesicles using alkyl polypentosides and uses of said preparations - Surfactant system capable of forming a dispersion of vesicles or liposomes constituted of alkyl polyglycoside of formula RO(X)n, in which R is a linear or branched alkyl chain, with or without unsaturation, and having 8 to 12 carbon atoms, X being a pentose residue, and n, representing the average degree of oligomerization, is between 1 and 3, and of a hydrotrope or co-solvent. | 02-02-2012 |
20140343081 | COSMETIC OR DERMATOLOGICAL COMPOSITION COMPRISING ALKYL POLYPENTOSIDE VESICLES, AND METHOD FOR PREPARING THE SAME - The present invention relates to a cosmetic or dermatological composition containing a continuous aqueous phase in which are dispersed vesicles based on at least one alkyl polypentoside, and also comprising at least one alcohol and at least one surfactant. | 11-20-2014 |