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Constellium France patents (2015 archive)

Recent patent applications related to Constellium France. Constellium France is listed as an Agent/Assignee. Note: Constellium France may have other listings under different names/spellings. We're not affiliated with Constellium France, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Constellium France-related inventors

10/22/15 / #20150299837

Method for manufacturing a structural element having a variable thickness for aircraft production

The invention relates to the method for manufacturing a rolled product of variable thickness made of heat-treatable aluminum alloy in which hot rolling is performed to achieve a variation in thickness of at least 10% lengthwise between the thickest part and the thinnest part; the rolled product of variable thickness obtained undergoes solution heat-treatment and quenching with permanent set of at least 1% in the thickest part before natural or artificial ageing. The products obtained according to the invention exhibit improved mechanical strength of at least 5% in the thinnest part and improved fracture toughness of at least 15% in the thickest part. ... Constellium France

09/10/15 / #20150255253

Vacuum chamber elements made of aluminum alloy

The invention relates to a vacuum chamber element obtained by machining and surface treatment of a plate of thickness at least equal to 10 mm of aluminum alloy, composed as follows (as a percentage by weight), si: 0.4-0.7; mg: 0.4-0.7; ti 0.01-<0.15, fe<0.25; cu<0.04; mn<0.4; cr 0.01-<0.1; zn<0.04; other elements <0.05 each and <0.15 in total, the rest aluminum. The invention also relates to a manufacturing method for a vacuum chamber element wherein successively a plate with a thickness of at least 10 mm of aluminum alloy of series 5xxx or series 6xxx is provided, said plate is machined to a vacuum chamber element, said element is degreased and/or pickled, it is anodized at a temperature of between 10 and 30° c. ... Constellium France

07/02/15 / #20150184269

Method for producing an aluminium alloy foam by moulding

The invention concerns a method for producing an aluminium alloy foam, consisting essentially of the aluminium alloy, in molten form, infiltrating the interstices of a preform consisting of silicon elastomer elements, by means of a conventional moulding process, typically a low-pressure process, followed by the elimination of the preform broken down into silica powder during the moulding cycle and/or an additional baking cycle.. . ... Constellium France

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Constellium France in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Constellium France with additional patents listed. Browse our Agent directory for other possible listings. Page by