Patents by Inventor Pierre-Louis Reydet
Pierre-Louis Reydet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220162728Abstract: Disclosed is an iron-manganese alloy including, by weight: 25.0%?Mn?32.0%; 7.0%?Cr?14.0%; 0?Ni?2.5%; 0.05%?N?0.30%; 0.1?Si?0.5%; and optionally 0.010%?rare earths?0.14%. The remainder being iron and residual elements resulting from manufacturing.Type: ApplicationFiled: January 22, 2019Publication date: May 26, 2022Inventors: Pierre-Louis REYDET, Marielle ESCOT, Nicolas LAURAIN
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Patent number: 10633728Abstract: The invention relates to an alloy based on iron comprising, by weight: 35%?Ni?37% trace amounts?Mn?0.6% trace amounts?C?0.07% trace amounts?Si?0.35% trace amounts?Cr?0.5% trace amounts?Co?0.5% trace amounts?Mo<0.5% trace amounts?S?0.0035% trace amounts?O?0.0025% 0.011%?[(3.138×Al+6×Mg+13.418×Ca)?(3.509×O+1.770×S)]?0.038% 0.0003%<Ca?0.0015% 0.0005%<Mg?0.0035% 0.0020%<Al?0.0085% the remainder being iron and residual elements resulting from the elaboration.Type: GrantFiled: March 14, 2014Date of Patent: April 28, 2020Assignee: AperamInventors: Pierre-Louis Reydet, Fanny Jouvenceau, Roland Panier
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Patent number: 10526680Abstract: A method for manufacturing a strip having a variable thickness along its length, comprising the steps: an initial strip of constant thickness is provided; homogeneous cold rolling of the initial strip along its length in order to obtain an intermediate strip of constant thickness along the rolling direction; flexible cold rolling of the intermediate strip along its length in order to obtain a variable thickness strip, having, along its length, first areas with a first thickness (e+s) and second areas with a second thickness (e), less than the first thickness (e+s), continuous annealing of the strip. The plastic deformation ratio generated, after an optional intermediate recrystallization annealing, by the homogeneous cold rolling and the flexible cold rolling steps in the first areas is greater than or equal to 30%.Type: GrantFiled: January 17, 2014Date of Patent: January 7, 2020Assignee: APERAMInventors: Roland Panier, Pierre-Louis Reydet, Nicolas Laurain
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Patent number: 10189120Abstract: The invention concerns a welding wire intended for use in welding together parts of parts consisting of F3-36Ni alloy. The welding wire consists of an alloy comprising, in wt. %: 38.6%?Ni+Co?45.0% trace?Co?0.50% 2.25%?Ti+Nb?0.8667×(Ni+Co)?31.20% if 38.6%?Ni+Co?40.33% 2.25%?Ti+Nb?3.75% if 40.33%?Ni+Co?41.4% 0.4167×(Ni+Co)?15.0%?Ti+Nb?3.75% if 41.4%?Ni+Co?45.0% trace?Nb?0.50% 0.01%?Mn?0.30% 0.01%?Si?0.25% trace?C?0.05% trace?Cr?0.50% the rest consisting of iron and inevitable impurities resulting from production.Type: GrantFiled: February 1, 2013Date of Patent: January 29, 2019Assignee: APERAMInventors: Pierre-Louis Reydet, Jean-Louis Roy, Roland André Panier
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Publication number: 20170096727Abstract: The invention relates to an alloy based on iron comprising, by weight: 35%?Ni?37% trace amounts?Mn?0.6% trace amounts?C?0.07% trace amounts?Si?0.35% trace amounts?Cr?0.5% trace amounts?Co?0.5% trace amounts?Mo?0.5% trace amounts?S?0.0035% trace amounts?O?0.0025% 0.011%?[(3.138×Al+6×Mg+13.418×Ca)?(3.509×O+1.770×S)]?0.038% 0.0003%?Ca?0.0015% 0.0005%?Mg?0.0035% 0.0020%?Al?0.0085% the remainder being iron and residual elements resulting from the elaboration.Type: ApplicationFiled: March 14, 2014Publication date: April 6, 2017Inventors: Pierre-Louis Reydet, Fanny Jouvenceau, Roland Panier
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Publication number: 20170029918Abstract: A method for manufacturing a strip having a variable thickness along its length, comprising the steps: an initial strip of constant thickness is provided; homogeneous cold rolling of the initial strip along its length in order to obtain an intermediate strip of constant thickness along the rolling direction; flexible cold rolling of the intermediate strip along its length in order to obtain a variable thickness strip, having, along its length, first areas with a first thickness (e+s) and second areas with a second thickness (e), less than the first thickness (e+s), continuous annealing of the strip. The plastic deformation ratio generated, after an optional intermediate recrystallization annealing, by the homogeneous cold rolling and the flexible cold rolling steps in the first areas is greater than or equal to 30%.Type: ApplicationFiled: January 17, 2014Publication date: February 2, 2017Applicant: APERAMInventors: Roland Panier, Pierre-Louis Reydet, Nicolas Laurain
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Patent number: 9309592Abstract: A crystallographically textured metallic substrate includes surfaces for connection and for receiving a thin layer deposit, and is made up of an alloy presenting a cubic crystalline system with centered faces and a predominantly cubic crystallographic texture {100}<001>, the receiving surface including grains mainly presenting crystallographic planes {100} parallel to the receiving surface. The alloy is iron-nickel with weight % relative to total weight: Ni?30%, Cu?15%, Cr?15%, Co?12%, Mn?5%, S<0.0007%, P<0.003%, B<0.0005%, Pb<0.0001%, and in the alloy: 34%?(Ni+Cr+Cu/2+Co/2+Mn). The alloy includes up to 1% in weight of one or several deoxidizing elements chosen among silicon, magnesium, aluminium and calcium, the rest of the elements in the alloy being iron and impurities.Type: GrantFiled: August 28, 2008Date of Patent: April 12, 2016Assignees: ARCELORMITTAL-STAINLESS AND NICKEL ALLOYS, ECOLE POLYTECHNIQUEInventors: Jean-Pierre Reyal, Pierre-Louis Reydet, Pere Roca Cabarrocas, Yassine Djeridane
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Publication number: 20150367455Abstract: The invention concerns a welding wire intended for use in welding together parts of parts consisting of F3-36Ni alloy. The welding wire consists of an alloy comprising, in wt. %: 38.6%?Ni+Co?45.0% trace?Co?0.50% 2.25%?Ti+Nb?0.8667×(Ni+Co)?31.20% if 38.6%?Ni+Co?40.33% 2.25%?Ti+Nb?3.75% if 40.33%?Ni+Co?41.4% 0.4167×(Ni+Co)?15.0%?Ti+Nb?3.75% if 41.4%?Ni+Co?45.0% trace?Nb?0.50% 0.01%?Mn?0.30% 0.01%?Si?0.25% trace?C?0.05% trace?Cr?0.50% the rest consisting of iron and inevitable impurities resulting from production.Type: ApplicationFiled: February 1, 2013Publication date: December 24, 2015Applicant: APERAMInventors: Pierre-Louis Reydet, Jean-Louis Roy, Roland André Panier
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Patent number: 8328961Abstract: The invention concerns an iron-nickel alloy strip comprising the following expressed in wt. %: 32?Co+Ni?45%, 0?Co?6.5%, 0?Cr=6.5%, Cu?3%, Si?0.5%, Mn?0.75%, the rest being made up of iron and unavoidable impurities resulting from production, whereof the microstructure has a recrystallized volume fraction ranging from 3 to 97%, whereof the thickness is less than 0.5 mm. The invention also concerns the use thereof in the manufacture of support grids for integrated circuits.Type: GrantFiled: November 4, 2005Date of Patent: December 11, 2012Assignee: Imphy AlloysInventors: Georges Martinez, Pierre-Louis Reydet, Gilles Bresson, Gilles Coccoz, Jean-Luc Spire, Jerome Giusti
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Publication number: 20100269887Abstract: A crystallographically textured metallic substrate includes surfaces for connection and for receiving a thin layer deposit, and is made up of an alloy presenting a cubic crystalline system with centered faces and a predominantly cubic crystallographic texture {100}<001>, the receiving surface including grains mainly presenting crystallographic planes {100} parallel to the receiving surface. The alloy is iron-nickel with weight % relative to total weight: Ni?30%, Cu?15%, Cr?15%, Co?12%, Mn?5%, S<0.0007%, P<0.003%, B<0.0005%, Pb<0.0001%, and in the alloy: 34%?(Ni+Cr+Cu/2+Co/2+Mn). The alloy includes up to 1% in weight of one or several deoxidizing elements chosen among silicon, magnesium, aluminium and calcium, the rest of the elements in the alloy being iron and impurities.Type: ApplicationFiled: August 28, 2008Publication date: October 28, 2010Applicants: ARCELORMITTAL-STAINLESS AND NICKEL ALLOYS, ECOLE POLYTECHNIQUEInventors: Jean-Pierre Reyal, Pierre-Louis Reydet, Pere Roca Cabarrocas, Yassine Djeridane
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Publication number: 20090120542Abstract: The invention concerns an iron-nickel alloy strip comprising the following expressed in wt. %: 32?Co+Ni?45%, 0?Co?6.5%, 0?Cr=6.5%, Cu?3%, Si?0.5%, Mn?0.75%, the rest being made up of iron and unavoidable impurities resulting from production, whereof the microstructure has a recrystallized volume fraction ranging from 3 to 97%, whereof the thickness is less than 0.5 mm. The invention also concerns the use thereof in the manufacture of support grids for integrated circuits.Type: ApplicationFiled: November 4, 2005Publication date: May 14, 2009Applicant: IMPHY ALLOYSInventors: Georges Martinez, Pierre-Louis Reydet, Gilles Bresson, Gilles Coccoz, Jean-Luc Spire, Jerome Giusti
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Patent number: 6734610Abstract: Masking device for a flat-screen color-display cathode-ray tube, comprising a support frame for a tensioned shadow mask and a tensioned shadow mask. The support frame is made of a hardened Fe—Ni alloy having a thermal expansion coefficient between 20° C. and 150° C. of less than 5×10−6 K−1 and a yield stress Rp0.2 at 20° C. of greater than 700 MPa; the tensioned shadow mask is made of an Fe—Ni alloy having a thermal expansion coefficient between 20° C. and 150° C. of less than 3×10−6 K−1; the Fe—Ni alloys are chosen so that: below a temperature T1, the mean expansion coefficient &agr;20-T, between 20° C. and T, of the alloy of the support frame is greater than the mean expansion coefficient &agr;20-T of the alloy of the shadow mask, and above T1 the coefficient &agr;20-T of the alloy of the frame is less than the coefficient &agr;20-T of the alloy of the shadow mask, where T1<350° C. and preferably <300° C.Type: GrantFiled: March 27, 2001Date of Patent: May 11, 2004Assignee: Imphy Ugine PrecisionInventors: Ricardo Cozar, Pierre-Louis Reydet, Lucien Coutu
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Patent number: 6692992Abstract: A method of making a Fe-Ni strip whose chemical composition comprises, by weight: 36% ≦Ni+Co≦43%; 0%≦Co≦3%; 0.05%≦C≦0.4%; 0.2%≦Cr≦1.5%; 0.4%≦Mo≦3%; Cu≦3%; Si≦0.3%, Mn≦0.3%; the rest being iron and impurities, the alloy having an elastic limit Rp0.2 more than 750 Mpa and a distributed elongation Ar more than 5%. The alloy is optionally recast under slag. The strip is obtained by hot-rolling above 950° C., then cold-rolling and carrying out a hardening treatment between 450° C. and 850° C., the hardening heat treatment being preceded by a reduction of at least 40%. The invention is useful for making integrated circuit support grids and electronic gun grids.Type: GrantFiled: November 26, 2002Date of Patent: February 17, 2004Assignee: Imphy Ugine PrecisionInventors: Ricardo Cozar, Pierre-Louis Reydet
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Patent number: 6605163Abstract: Process for manufacturing a strip made of an Fe—Ni alloy of the “&ggr;′ and/or &ggr;″ structural hardening” type, the thermal expansion coefficient between 20° C. and 150° C. of which is less than 7×10−6/K, in which a hot strip is manufactured either by hot rolling a semi-finished product or by direct casting of a thin strip which is optionally lightly hot-rolled, and the hot strip is subjected to a softening annealing operation consisting of a soak between 950° C. and 1200° C. followed by rapid cooling and optionally a pickling operation, in order to obtain a softened strip; a cold-worked strip is manufactured by cold rolling the said softened strip, with a reduction ratio of greater than 5%; and the cold-worked strip is subjected to a recrystallization annealing operation in an inert or reducing atmosphere, carried out either on the run with a residence time between 900° C. and 1200° C.Type: GrantFiled: August 27, 2001Date of Patent: August 12, 2003Assignee: Imphy Ugine PrecisionInventors: Ricardo Cozar, Jean-Pierre Reyal, Pierre Louis Reydet
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Publication number: 20020134469Abstract: Process for manufacturing a strip made of an Fe—Ni alloy of the “&ggr;′ and/or &ggr;″ structural hardening” type, the thermal expansion coefficient between 20° C. and 150° C. of which is less than 7×10−6/K, in which a hot strip is manufactured either by hot rolling a semi-finished product or by direct casting of a thin strip which is optionally lightly hot-rolled, and the hot strip is subjected to a softening annealing operation consisting of a soak between 950° C. and 1200° C. followed by rapid cooling and optionally a pickling operation, in order to obtain a softened strip; a cold-worked strip is manufactured by cold rolling the said softened strip, with a reduction ratio of greater than 5%; and the cold-worked strip is subjected to a recrystallization annealing operation in an inert or reducing atmosphere, carried out either on the run with a residence time between 900° C. and 1200° C.Type: ApplicationFiled: August 27, 2001Publication date: September 26, 2002Inventors: Ricardo Cozar, Jean-Pierre Reyal, Pierre Louis Reydet
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Patent number: 6420054Abstract: Masking device for a color cathode-ray display tube with a flat scree, of the type comprising a support frame for a tensioned shadowmask and a tensioned shadowmask mounted on the support frame so as to undergo tensioning at room temperature, in which device the support frame is made of a hardened Fe—Ni alloy having a thermal expansion coefficient between 20° and 150° C. of less than 5×1031 6 K−1 and a yield stress Rp0.2 at 20° C. of greater than 700 MPa, and the tensioned shadowmask is made of a hardened FeNi or Fe—Ni alloy having a thermal expansion coefficient between 20° C. and 150° C. of less than 5×10−6 K−1.Type: GrantFiled: June 22, 2000Date of Patent: July 16, 2002Assignee: Imphy Ugine PrecisionInventors: Ricardo Cozar, Pierre-Louis Reydet, Jean-Pierre Reyal
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Publication number: 20020008456Abstract: Masking device for a flat-screen color-display cathode-ray tube, comprising a support frame for a tensioned shadow mask and a tensioned shadow mask. The support frame is made of a hardened Fe—Ni alloy having a thermal expansion coefficient between 20° C. and 150° C. of less than 5×10−6 K−1 and a yield stress Rp0.2 at 20° C. of greater than 700 MPa; the tensioned shadow mask is made of an Fe—Ni alloy having a thermal expansion coefficient between 20° C. and 150° C. of less than 3×10−6 K−1; the Fe—Ni alloys are chosen so that: below a temperature T1, the mean expansion coefficient &agr;20-T, between 20° C. and T, of the alloy of the support frame is greater than the mean expansion coefficient &agr;20-T of the alloy of the shadow mask, and above T1 the coefficient &agr;20-T of the alloy of the frame is less than the coefficient &agr;20-T of the alloy of the shadow mask, where T1<350° C. and preferably <300° C.Type: ApplicationFiled: March 27, 2001Publication date: January 24, 2002Inventors: Ricardo Cozar, Pierre-Louis Reydet, Lucien Coutu
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Patent number: 5783145Abstract: An iron-nickel alloy, the chemical composition of which includes by weight:30%.ltoreq.Ni+Co.ltoreq.85%;0%.ltoreq.Co+Cu+Mn.ltoreq.10%;0%.ltoreq.Mo+W+Cr.ltoreq.4%;0%.ltoreq.V+Si.ltoreq.2%;0%.ltoreq.Nb+Ta.ltoreq.1%;0.003%.ltoreq.C.ltoreq.0.05% 0.003%.ltoreq.Ti.ltoreq.0.15%;0.003%.ltoreq.Ti+Zr+Hf.ltoreq.0.15%;0.001%<S+Se+Te<0.015%;and the remainder, iron and impurities resulting from production; in addition, the chemical composition satisfies the relationship:0.ltoreq.Nb+Ta+Ti+Al.ltoreq.1%.A cold-rolled strip with a cubic texture and its uses.Type: GrantFiled: February 27, 1997Date of Patent: July 21, 1998Assignee: Imphy S.A.Inventors: Lucien Coutu, Pierre Louis Reydet