429 patents
Page 2 of 22
Utility
Device to inject a reducing gas into a shaft furnace
16 Nov 23
A device to inject a reducing gas into a shaft furnace including 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 and made of a steel able to resist to a temperature up to 1200° C., this internal casing having an opening matching the gas injection outlet of the front face of the external casing and a refractory layer located between the external casing and the internal casing.
Edouard IZARD, Dominique SERT, Jérôme DAULMERIE
Filed: 15 Sep 20
Utility
Lance for blowing oxygen in steelmaking
16 Nov 23
A lance (1) for blowing oxygen onto a bath of molten steel including a tip (15) provided with first oxygen ejector (16) and a distributor (17) provided with second ejector (18).
Benoît DRELON
Filed: 5 Oct 21
Utility
Steel for press hardening and press hardened part manufactured from such steel
14 Nov 23
A press hardened steel part is provided.
Pascal Drillet, Maria Poirier, Sujay Sarkar
Filed: 1 Oct 21
Utility
Filtration System
9 Nov 23
A cooling method of a travelling coated steel strip, exiting a hot-dip coating bath, including the steps of A) sucking a gas into a cooling device, B) filtering the sucked gas by a filtering system capturing at least 50% of the particles having a size of at least 2.5 µm, C) blowing, at a velocity comprised from 1 to 80 m.s-1, the sucked and filtered gas onto the coated steel strip.
Maxime BROSSARD, Paul DURIGHELLO, Friederike-Franka ALBRECHT, Jan-Erik HILGER, Luc DIEZ
Filed: 6 Sep 21
Utility
Method for butt laser welding two metal sheets
7 Nov 23
A method for butt laser welding two metal sheets includes providing a first metal sheet and a second metal sheet and butt welding the metal sheets along a direction of welding.
René Vierstraete
Filed: 19 Dec 18
Utility
Bumper beam having an insert
7 Nov 23
A cross member for a bumper beam includes an outer beam, an inner reinforcement element extending inside at least a part of the outer beam inner volume and comprising at least two reinforcement ribs protruding towards the front beam wall, the reinforcement ribs being connected together at least at their back end, opposite to the front beam wall, by an upper transversal branch and a lower transversal branch, the upper and lower transversal branches being attached respectively to the upper and lower beam flanges of the outer beam, wherein each reinforcement rib abuts the front beam wall and the length of the upper transversal branch is less than the length of the upper beam wall and the length of the lower transversal branch is less than the length of the lower beam wall, the lengths being measured in the longitudinal direction.
Elie Gibeau, Yannis Kheyati, Nabil Menegady
Filed: 10 Jul 19
Utility
Structural node for a motor vehicle front lower load path, and process for assembling said structural node.
2 Nov 23
A structural components node (9) a crash box connector (14) and a crash extender connector (13) each having a top plate extending in a substantially horizontal plane and allowing to secure directly together the crash extender (7) and the crash box (8).
Jean-Louis COLMONT, Thierry DERCHU, Edith LAHELLEC
Filed: 20 Apr 20
Utility
Blast furnace for ironmaking production
2 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 in an injection zone, the blast furnace comprising an external wall and an internal wall in contact with matters charged into the blast furnace, wherein in the injection zone the internal wall comprises local inwards enlargements and the reducing gas injections are performed below said inwards enlargements.
Dominique SERT, Edouard IZARD
Filed: 15 Sep 20
Utility
Energy absorbing device, motor vehicle body and method for manufacturing thereof
31 Oct 23
An energy absorbing device is designed to increase the amount of absorbed energy and control the deformation of the device in case of an impact.
Jean-Louis Colmont, Thierry Derchu, Sébastien Albeaux, Guillaume De Taillac
Filed: 11 Sep 19
Utility
Cold Rolled and Coated Steel Sheet and a Method of Manufacturing Thereof
26 Oct 23
A cold rolled and coated steel sheet, the steel including 0.30%≤carbon 0.45%, 1≤manganese≤2.5%, 0.9%≤silicon≤2.2%, 0%≤aluminum≤0.09%, 0.001≤niobium≤0.09%, 0%≤phosphorus≤0.02%, 0%≤sulfur≤0.03%, 0%≤nitrogen≤0.09%, and optionally one or more of the following elements 0%≤molybdenum≤0.5%, 0%≤chromium≤0.6%, 0%≤titanium≤0.06%, 0%≤vanadium≤0.1%, 0%≤calcium≤0.005%, 0%≤boron≤0.010%, 0%≤Magnesium≤0.05%, 0%≤Zirconium≤0.05%, 0%≤Cerium≤0.1%, and the balance including iron and unavoidable impurities, the steel sheet having a microstructure comprising 35% to 65% Partitioned Martensite, 15% to 40% of Bainite, 14% to 30% of residual austenite, 4% to 15% of ferrite and 0% to 10% fresh martensite in area fractions, the balance being partitioned martensite.
Edgar Alejandro PACHON RODRIGUEZ, Virginie BLESSE, Doriane SERRA
Filed: 23 Sep 20
Utility
Steel for Leaf Springs of Automobiles and a Method of Manufacturing of a Leaf Thereof
26 Oct 23
A steel for leaf spring including of the following elements 0.4% ≦ C ≦ 0.7 %; 0.5% ≦ Mn ≦1.5 %;1% ≦ Si ≦ 2.5 %; 0.001% ≦ Al ≦ 0.1%; 0.1% ≦ Ni ≦ 1%;0.2% ≦ Cr ≦ 1.5 %; 0 ≦ P ≦ 0.09%; 0 ≦ S ≦ 0.09%; 0% ≦ N ≦ 0.09%; 0% ≦ Mo ≦ 0.5%; 0% ≦ V ≦ 0.2%; 0% ≦ Nb ≦ 0.1%; 0% ≦ Ti ≦ 0.1%; 0% ≦ Cu ≦ 1%; 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 of the steel including, by area percentage, 75% to 98% of Martensite, 2% to 20% of Residual Austenite, with a cumulative optional presence of bainite and ferrite between 0% to 5%.
Jean-Michel JACHMICH, Bertrand MICHAUT, Laurent LORICH
Filed: 23 Sep 20
Utility
Cold rolled and heat treated steel sheet and a method of manufacturing thereof
24 Oct 23
Jean-Marc Pipard
Filed: 5 Nov 18
Utility
Method for producing a precoated steel sheet and associated sheet
17 Oct 23
A method for producing a precoated steel sheet (1) includes providing a precoated steel strip comprising a steel substrate (3) having, on at least one of its main faces, a precoating comprising an intermetallic alloy layer and a metallic alloy layer.
Francis Schmit, Quentin Bernardi
Filed: 19 Oct 18
Utility
Forged Part of Steel and a Method of Manufacturing Thereof
12 Oct 23
A steel for forging mechanical parts including of the following elements 0.04%≤C≤0.28%; 1.2%≤Mn≤2.2%; 0.3%≤Si≤1.2%; 0.5%≤Cr≤1.5%; 0.01%≤Ni≤1%; 0%≤S≤0.06%; 0%≤P≤0.02%; 0%≤N≤0.015%; 0%≤Al≤0.1%; 0.03%≤Mo≤0.5%; 0%≤Cu≤0.5%; 0.04%≤Nb≤0.15%; 0.01%≤Ti≤0.1%; 0%≤V≤0.5%; 0.0015%≤B≤0.004%; the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel having microstructure including in area fraction, 55% to 85% of Martensite, 20% to 45% of Auto-tempered Martensite, 0 to 10% Residual Austenite and, wherein cumulated amounts of Auto-tempered martensite and martensite is at least 90%.
Francois-Xavier HOCHE, Didier FORGEOUX, Victor BORDEREAU, Bernard RESIAK
Filed: 7 Sep 20
Utility
Apparatus and method for vacuum deposition
10 Oct 23
A vacuum deposition facility is provided for continuously depositing on a running substrate coatings formed from metal alloys including a main element and at least one additional element.
Sergio Pace, Eric Silberberg, Dimitri Wilders, Rémy Bonnemann, Lucie Gaouyat
Filed: 1 Apr 22
Utility
Wind turbine mast section, wind turbine mast and assembly method
10 Oct 23
A mast section (1) including a wall includes two tubular mast elements (14) stacked and arranged edge to edge at a joining plane (P), each element (14) comprising two wall segments (16) connected by segment connectors (26) extending along the longitudinal edges of the segments (16).
Beatriz Ventura Garcia, Michaël Gremling, Emilie Dupont
Filed: 30 Oct 18
Utility
Welding method for the manufacture of an assembly of at least 2 metallic substrates
3 Oct 23
A method is provided for the manufacture of an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, such method including two steps, the assembly obtainable according to this method and the use of this assembly for the manufacture of automotive vehicle.
Tiago Machado Amorim, Maxime Brossard, Stéphanie Michaut, Jean-Marie Helmer
Filed: 9 Sep 19
Utility
Press hardening method
3 Oct 23
A press hardening method includes the following steps providing a carbon steel sheet coated with a barrier pre-coating including nickel and chromium wherein the weight ratio Ni/Cr is between 1.5 and 9, cutting the sheet to obtain a blank, thermal treatment of the blank in an atmosphere having an oxidizing power equal or higher than that of an atmosphere consisting of 1% by volume of oxygen and equal or smaller than that of an atmosphere consisting of 50% by volume of oxygen, such atmosphere having a dew point between −30 and +30° C., transfer of the blank into a press tool, hot-forming of the blank to obtain a part, cooling of the part to obtain a microstructure in steel being martensitic or martensito-bainitic or made of at least 75 wt. % of equiaxed ferrite, from 5 to 20 wt. % of martensite and bainite in amount less than or equal to 10 wt. %.
Pascal Drillet, Raisa Grigorieva, Thierry Sturel, Cédric Georges, Brahim Nabi, Florin Duminica
Filed: 20 Sep 19
Utility
Cold rolled and double annealed steel sheet
21 Sep 23
A cold rolled and double annealed steel sheet, made of a steel having a composition including, by weight percent: C: 0.03-0.18%, Mn: 6.0-11.0%, 0.2≤Al<3%, Mo: 0.05-0.5%, B: 0.0005-0.005%, S≤0.010%, P≤0.020%, N≤0.008%, and including optionally one or more of the following elements.
Astrid PERLADE, Kangying ZHU, Frédéric KEGEL
Filed: 12 Jul 21
Utility
Cold rolled and annealed steel sheet and method of manufacturing the same
21 Sep 23
A cold rolled and annealed steel sheet, made of a steel having a composition including, by weight percent: C: 0.03-0.18%, Mn: 6.0-11.0%, Al: 0.2-3%, Mo: 0.05-0.5%, B: 0.0005-0.005%, S≤0.010%, P≤0.020%, N≤0.008%, and including optionally one or more of the following elements, in weight percentage: Si≤1.20%, Ti≤0.050%, Nb≤0.050%, Cr≤0.5%, V≤0.2%, the remainder of the composition being iron and unavoidable impurities resulting from the smelting, the steel sheet having a microstructure including, in surface fraction, from 25% to 55% of retained austenite, from 5% to 50% of ferrite, from 5 to 70% of partitioned martensite less than 5% of fresh martensite, a carbon [C]A and manganese [Mn]A content in austenite, expressed in weight percent, such that the ratio ([C]A2×[Mn]A)/(C %2×Mn %) is from 3.0 to 8.0, C % and Mn % being the nominal values in carbon and manganese in weight % and an inhomogeneous repartition of manganese characterized by a manganese distribution with a slope above or equal to −40.
Astrid PERLADE, Kangying ZHU, Coralie JUNG
Filed: 12 Jul 21