429 patents
Utility
Method for the manufacture of a self-standing graphene oxide or reduced graphene oxide film
18 Jan 24
A method for the manufacture of a self-standing graphene oxide or reduced graphene oxide film having a thickness between 0.4 and 4.0 μm, including the successive steps of A) preparing an aqueous dispersion including 0.1 to 30 g·L−1 of graphene oxide or reduced graphene oxide, B) depositing the aqueous dispersion on a flat substrate coated with a polymeric film dissolvable in organic solvents and unsolvable in water, so as to form a wet film having a thickness comprised between 1 μm and 3.5 mm, C) drying the wet film, D) separating the polymeric film from the flat substrate, E) placing the polymeric film in a support frame, F) showering the polymeric film with an organic solvent to dissolve the polymeric film, G) separating the graphene oxide or reduced graphene oxide film from the frame to obtain the self-standing graphene oxide or reduced graphene oxide film.
Laura MEGIDO FERNANDEZ, Cristina BOTAS VELASCO, Thi Tan VU, Roberto SUAREZ SANCHEZ
Filed: 18 Nov 20
Utility
Steel for Rails and a Method of Manufacturing of a Rail Thereof
4 Jan 24
A steel for rail having the following elements, 0.25%≤C≤0.8%; 1.0%≤Mn≤2.0%; 1.40%≤Si≤2%; 0.01%≤Al≤1%; 0.8%≤Cr≤2%; 0≤P≤0.09%; 0≤S≤0.09%; 0%≤N≤0.09%; 0%≤Ni≤1%; 0%≤Mo≤0.5%; 0%≤V≤0.2%; 0%≤Nb ≤0.1%; 0%≤Ti≤0.1%; 0%≤Cu≤0.5%; 0%≤B≤0.008%; 0%≤Sn≤0.1%; 0% ≤Ce≤0.1%; 0%≤Mg≤0.10%; 0%≤Zr≤0.10%; the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure having, by area percentage, 2% to 10% of Proeutectoid Ferrite, the balance being made of Pearlite wherein the pearlite having interlamellar spacing from 100 nm to 250 nm .
Diego CARRASCAL, David ALVAREZ DIEZ, José ARANCON ALVAREZ, Wilberth SOLANO ALVAREZ
Filed: 17 Nov 20
Utility
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4 Jan 24
A scrap inventory management method allowing to have a better control of scrap stocks.
Borja ENA RODRIGUEZ, Pablo VALLEDOR PELLICER, Alejandro FERNANDEZ ALONSO, Diego DIAZ FIDALGO
Filed: 1 Dec 21
Utility
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4 Jan 24
A coated steel sheet and press hardened steel part having a composition including, by weight percent: C 0.15-0.25%, Mn 0.5-1.8%, Si 0.1-1.25%, Al 0.01-0.1%, Cr 0.1-1.0%, Ti 0.01-0.1%, B 0.001-0.004%, P≤0.020%, S≤0.010%, N≤0.010% the remainder of the composition being iron and unavoidable impurities resulting from the smelting.
Clément PHILIPPOT, Alice DUMONT, Deborah HERRY, Martin BEAUVAIS
Filed: 3 Dec 21
Utility
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28 Dec 23
A trimming device for metallic sheets including: an upper knife, comprising a central circular face having a diameter D1 and a thickness T1, mounted on an upper shaft, a lower knife, comprising a central circular face having a diameter D2 and a thickness T2, mounted on a lower shaft, wherein said upper knife and said lower knife are vertically shifted with an overlap (DOVERLAP) so as to define a shear of said metallic sheet and wherein at least one of said upper or lower shaft is able to be moved vertically, a first distance sensor, able to measure a vertical distance to the upper end of said upper knife, a second distance sensor, able to measure a vertical distance to the lower end of said lower knife, a computer able to compute the overlap.
Thomas TOUCHE, Sébastien CHAMPEMAUD, Stéphane ERTZ, Jean-Marc HEMMEN
Filed: 8 Dec 21
Utility
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28 Dec 23
Laser cutting process to produce n trimmed sub-blanks, n being an integer strictly greater than 1, from a mother blank made of metallic material, having the following steps: Op1/ positioning the mother blank on a cutting table having n laths arranged to be moveable relative to one another in a transverse direction, Op2/ clamping at least part of the mother blank to the cutting table, Op3/ cutting, using a laser source, n untrimmed sub-blanks from the mother blank in a longitudinal cutting direction, Op4/ separating the n laths of the cutting table from one another in a transverse direction, Op5/ releasing the clamping, Op6/ clamping the n untrimmed sub-blanks to the n laths, Op7/ laser trimming the n untrimmed sub-blanks in order to form n trimmed sub-blanks, Op8/ releasing the clamping, Op9/ discharging the n trimmed sub-blanks from the cutting table.
Bert VAN WEZEMAEL
Filed: 4 Nov 21
Utility
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28 Dec 23
Rear underfloor structure (2) for a motor vehicle (1) including a first and a second side member (4) and at least one cross member (5) linking the first and second side members (4), wherein the rear underfloor structure (2) is made by stamping a single tailor welded blank (26) comprising at least two sub-blanks.
Dan HASENPOUTH, Olivier MORIAU
Filed: 4 Nov 21
Utility
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28 Dec 23
A cold-rolled and heat-treated steel sheet, has a composition comprising, by weight percent: n0.10%≤C≤0.25%, 3.5%≤Mn≤6.0%, 0.5%≤Si≤2.0%, 0.3%≤Al≤1.2%, with Si+Al≥0.8%, 0.10%≤Mo≤0.50%, S≤0.010%, P≤0.020%, N≤0.008%.
Coralie JUNG, Astrid PERLADE, Kangying ZHU, Frédéric KEGEL
Filed: 6 Sep 23
Utility
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14 Dec 23
A method for producing a welded blank (1) includes providing two precoated sheets (2), butt welding the precoated sheets (2) using a filler wire.
Cristian ALVAREZ, Thierry LIZON, Maria POIRIER
Filed: 16 Aug 23
Utility
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14 Dec 23
A method for manufacturing a steel sheet provided with a coating included from 0.80 to 1.40 wt. % of Al, from 0.80 to 1.40 wt. % of Mg, unavoidable impurities and optionally one or more additional elements selected from Si, Sb, Pb, Ti, Ca, Mn, Sn, La, Ce, Cr, Zr or Bi, the weight content of each additional element in the coating being less than 0.3%, the remainder being Zn, the outer surface of the coated steel sheet having a waviness Wa0.8 before skin-pass of less than or equal to 0.50 μm; the coated steel sheet obtained by this method; the part obtained by deformation of a steel sheet and a land motor vehicle comprising a body, the body including the part.
Eric JACQUESON, Jean-Michel MATAIGNE, Larissa AGRIZZI RONQUETI, Marine KIEFFER
Filed: 15 Nov 21
Utility
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12 Dec 23
A method for collecting mill scale from a hot rolling mill is provided.
Naiyang Ma
Filed: 6 Sep 16
Utility
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30 Nov 23
A welding flux including a titanate and a nanoparticulate Niobium compound chosen from among Niobium oxides, alkali niobates and mixtures thereof.
Alvaro MANJON FERNANDEZ, Sivasambu BOHM, Marcos PEREZ RODRIGUEZ, Christopher GERRITSEN
Filed: 21 Oct 20
Utility
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28 Nov 23
A method for the preparation of steel sheets for fabricating a welded steel blank is provided.
Francis Schmit, Rene Vierstraete, Qingdong Yin, Wolfram Ehling
Filed: 21 Jan 21
Utility
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28 Nov 23
A support device (1) of an engine support structure (2) of a motor vehicle includes at least a support part (4), comprising an upper face (10) and a lower face (12) defining between them a hollow volume (14), and at least one fixation device (8) intended to attach the support part to a vehicle body.
Jean-Louis Colmont, Thierry Derchu, Sébastien Albeaux, Guillaume De Taillac
Filed: 12 Sep 19
Utility
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28 Nov 23
Maya Gospodinova, Véronique Hebert
Filed: 21 Dec 16
Utility
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28 Nov 23
A steel strip annealing furnace with a dew point control system.
William P. Umlauf, Oscar Lanzi, III, Johnny C. Brannbacka, John A. Rotole, Robert Bing
Filed: 21 Dec 18
Utility
jr0pg9n4mt6qtc8e7ic7y13589uq5cdsnemlbe59zgrcgr4nxk6
23 Nov 23
A method for estimating the oxide thickness and the temperature of a heated steel strip, undergoing a heat treatment performed at a temperature from 100° C. to 1100° C., including the steps of 1. measuring at least two radiation intensities at different wavelengths, in a range from 1 to 5 μm, emitted by the heated steel strip, 2. estimating the temperature of the heated steel strip, TESTIMATED, based on the at least two measured radiation intensities and a reference radiation intensity for at least a reference wavelength, emitted by a reference steel strip having a determined oxide layer thickness, estimating the emissivity coefficient of the heated steel strip, εESTIMATED, using at least one of the measured radiation intensities and the estimated temperature, TESTIMATED, 4. estimating the oxide thickness, OxESTIMATED, of the heated steel strip using the estimated emissivity, εESTIMATED.
Gwenaël LE NOC, Morgan FERTE
Filed: 15 Oct 21
Utility
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16 Nov 23
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace.
Edouard IZARD, Dominique SERT
Filed: 15 Sep 20
Utility
abykwe3jkh9wt1oigwqjabtewrwy962w1v0kuzvitbxxr3dmv0x7961r7sl
16 Nov 23
A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace.
Dominique SERT
Filed: 15 Sep 20
Utility
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16 Nov 23
A device to inject a reducing gas into a shaft furnace includes an external casing whose front face is provided with an outlet for gas injection into the shaft furnace, an internal casing located inside the external casing wherein reducing gas is circulating.
Edouard IZARD, Dominique SERT, Jérôme DAULMERIE
Filed: 15 Sep 20