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1
EP2612941B1
Publication/Patent Number: EP2612941B1
Publication date: 2019-02-27
Application number: 11821827.0
Filing date: 2011-08-30
Abstract: Provided are: a steel wire rod material for a high-strength spring, which does not undergo the increase in deformation resistance arising from the increase in hardness and can exhibit good wire-drawing processability and the like even when a heat treatment, which deteriorates productivity, is eliminated or a simplified and rapid heat treatment is employed instead; a useful method for producing the steel wire rod material for a high-strength spring; a high-strength spring produced using the steel wire rod material for a high-strength spring as a material; and others. This steel wire rod material for a high-strength spring is a steel wire rod material that has been hot-rolled already, and has a texture having a specified chemical composition and mainly composed of pearlite, wherein the average value (Pave) of the pearlite nodule size numbers and the standard deviation (Pσ) of the pearlite nodule size numbers fulfill the following formulae (1) and (2), respectively: (1) 9.5 ≤ Pave ≤ 12.0; and (2) 0.2 ≤ Pσ ≤ 0.7. Provided are: a steel wire rod material for a high-strength spring, which does not undergo the increase in deformation resistance arising from the increase in hardness and can exhibit good wire-drawing processability and the like even when a heat treatment, which deteriorates ...more ...less
2
EP2695961B1
Publication/Patent Number: EP2695961B1
Publication date: 2019-06-19
Application number: 12765664.3
Filing date: 2012-03-21
3
EP2479012B1
Publication/Patent Number: EP2479012B1
Publication date: 2019-03-06
Application number: 10817300.6
Filing date: 2010-09-17
Inventor: Fujiura, Takayasu  
4
EP2422919B1
Publication/Patent Number: EP2422919B1
Publication date: 2019-02-20
Application number: 09833449.3
Filing date: 2009-12-16
Abstract: Disclosed is an austenitic welding material which contains C: 0.01 wt% or less, Si: 0.5 wt% or less, Mn: 0.5 wt% or less, P: 0.005 wt% or less, S: 0.005 wt% or less, Ni: 15 to 40 wt%, Cr: 20 to 30 wt%, N: 0.01 wt% or less, O: 0.01 wt% or less, and the balance of Fe and inevitable impurities, wherein the content of B contained as one of the inevitable impurities in the welding material is 3 wt ppm or less, and the total content of C, P, S, N and O in the welding material is 0.02 wt% or less. Disclosed is an austenitic welding material which contains C: 0.01 wt% or less, Si: 0.5 wt% or less, Mn: 0.5 wt% or less, P: 0.005 wt% or less, S: 0.005 wt% or less, Ni: 15 to 40 wt%, Cr: 20 to 30 wt%, N: 0.01 wt% or less, O: 0.01 wt% or less, and the balance of Fe and ...more ...less
5
EP2703709B1
Publication/Patent Number: EP2703709B1
Publication date: 2019-01-23
Application number: 12777336.4
Filing date: 2012-04-24
6
EP2426231B1
Publication/Patent Number: EP2426231B1
Publication date: 2019-01-23
Application number: 10769458.0
Filing date: 2010-04-14
Abstract: Provided is an arc evaporation source wherein film-forming speed is increased by inducing magnetic lines in the substrate direction. The arc evaporation source is provided with: at least one outer circumferential magnet (3), which is disposed such that the outer circumferential magnet surrounds the outer circumference of a target (2) and that the magnetization direction thereof is in the direction orthogonally intersecting the surface of the target (2) ; and a rear surface magnet (4) disposed on the rear surface side of the target (2). The rear surface magnet (4) has a non-ring-shaped first permanent magnet (4A) wherein the polarity thereof faces the same direction as the polarity of the outer circumferential magnet (3) and the magnetization direction of the rear surface magnet (4) is in the direction orthogonally intersecting the surface of the target (2). Provided is an arc evaporation source wherein film-forming speed is increased by inducing magnetic lines in the substrate direction. The arc evaporation source is provided with: at least one outer circumferential magnet (3), which is disposed such that the outer circumferential ...more ...less
7
US10233530B2
Publication/Patent Number: US10233530B2
Publication date: 2019-03-19
Application number: 15/120,285
Filing date: 2015-02-16
Abstract: Disclosed is a hard film based on tungsten carbide excellent in wear resistance, wherein the composition of the film is defined by W1-x-yCxMy, where 0.01≤y≤0.2, 0.50≤x/(1−x−y)≤4.0, and M is one or more selected from Co, Ni, Fe and Cu.
8
EP2518175B1
Publication/Patent Number: EP2518175B1
Publication date: 2019-01-23
Application number: 10839395.0
Filing date: 2010-12-21
Abstract: Provided is a spring steel that contains 0.15-0.40% carbon, 1-3.5% silicon, 0.20-2.0% manganese, 0.05-1.20% chromium, at most 0.030% phosphorus, at most 0.02% sulfur, and at least one of the following: 0.005-0.10% titanium, 0.005-0.05% niobium, and at most 0.25% vanadium. The remainder of said spring steel comprises iron and unavoidable impurities. The carbon equivalent (Ceq1) of the provided spring steel, as calculated by formula (1), is at most 0.55. Ceq1=C+0.108×Si-0.067×Mn+0.024×Cr-0.05×Ni+0.074×V (In the formula (1), each symbol in brackets represents the content (mass%) of the corresponding element.) Provided is a spring steel that contains 0.15-0.40% carbon, 1-3.5% silicon, 0.20-2.0% manganese, 0.05-1.20% chromium, at most 0.030% phosphorus, at most 0.02% sulfur, and at least one of the following: 0.005-0.10% titanium, 0.005-0.05% niobium, and at most 0.25% vanadium. The ...more ...less
9
EP2602486B1
Publication/Patent Number: EP2602486B1
Publication date: 2019-08-07
Application number: 11814357.7
Filing date: 2011-05-30
Inventor: Tsuboi, Noboru  
10
EP2455501B1
Publication/Patent Number: EP2455501B1
Publication date: 2019-04-03
Application number: 10799642.3
Filing date: 2010-07-15
Abstract: Disclosed is a method for producing alloy ingot including: a step of: charging alloy starting material into a cold crucible in a cold-crucible induction melter, and forming melt pool of the alloy starting material by induction heating in inert gas atmosphere; a step of continuing the induction heating and adding first refining agent to the melt pool, and then reducing the content of at least phosphorus from among impurity elements present in the melt pool; and a step of forming alloy ingot by solidifying the melt, the phosphorus content of which has been reduced. The first refining agent is mixture of metallic Ca and flux, where the flux contains CaF2 and at least one of CaO and CaCl2. The weight proportion of the sum of CaO and CaCl2 with respect to CaF2 ranges from 5 to 30 wt% and the weight proportion of metallic Ca with respect to the melt pool is 0.4 wt% or greater. Disclosed is a method for producing alloy ingot including: a step of: charging alloy starting material into a cold crucible in a cold-crucible induction melter, and forming melt pool of the alloy starting material by induction heating in inert gas atmosphere; a step of ...more ...less
12
EP2554698B1
Publication/Patent Number: EP2554698B1
Publication date: 2019-05-08
Application number: 11762503.8
Filing date: 2011-03-08
13
EP2130931B1
Publication/Patent Number: EP2130931B1
Publication date: 2019-09-18
Application number: 08722912.6
Filing date: 2008-03-27
14
US2019030636A1
Publication/Patent Number: US2019030636A1
Publication date: 2019-01-31
Application number: 16/077,456
Filing date: 2017-03-02
Abstract: Provided is a welding method using a special torch and a flux cored wire, in which the special torch has a suction nozzle between the contact tip and the shield nozzle, and the flux cored wire has a flux filled inside the steel outer casing, and a seam portion where both ends of a metal in a width direction of the steel outer casing are butted or overlapped in a longitudinal direction of the flux cored wire. Provided is a welding method using a special torch and a flux cored wire, in which the special torch has a suction nozzle between the contact tip and the shield nozzle, and the flux cored wire has a flux filled inside the steel outer casing, and a seam portion where both ends of ...more ...less
15
US2019017142A1
Publication/Patent Number: US2019017142A1
Publication date: 2019-01-17
Application number: 16/080,566
Filing date: 2017-01-23
Abstract: An aspect of the present invention is a steel sheet for quench hardening, satisfying a prescribed composition and having a Mn concentration satisfying the formula (1): S1+S2<−10×[Mn]+44 (1), where [Mn] is Mn concentration in a steel sheet analyzed by inductively coupled plasma emission spectrography (% by mass); S1 is an area % of the region where the Mn concentration analyzed by an electron beam microprobe analyzer in the structure at a position of ¼ of the steel sheet thickness is two times or more the [Mn]; and S2 is an area % of the region where the Mn concentration analyzed by an electron beam microprobe analyzer in the structure at a position of ¼ of the steel sheet thickness is 0.5 times or less the [Mn]. An aspect of the present invention is a steel sheet for quench hardening, satisfying a prescribed composition and having a Mn concentration satisfying the formula (1): S1+S2<−10×[Mn]+44 (1), where [Mn] is Mn concentration in a steel sheet analyzed by inductively ...more ...less
16
US2019105700A1
Publication/Patent Number: US2019105700A1
Publication date: 2019-04-11
Application number: 16/089,494
Filing date: 2017-03-08
Abstract: In one aspect of the present invention, a mechanical clinched joint component is a mechanical clinched joint component formed of two or more steel sheets, where the component includes at least one joint portion having a peel strength of 0.200 kN/mm or greater, and the component has a hardness of 360 Hv or greater. A method for manufacturing the component sequentially includes heating the two or more steel sheets to an Ac3 temperature or above, and performing mechanical clinch joining so that a carbon equivalent Ceq of the steel sheets, and a bottom-dead-center holding time t and a joining start temperature T during mechanical clinch joining satisfy relationships of equation (1) below and of equation (2) below: Ceq×(0.00209×t+0.000731×T−0.0365)≥0.200   (1), and Ceq≥0.00071×T+0.993   (2). In one aspect of the present invention, a mechanical clinched joint component is a mechanical clinched joint component formed of two or more steel sheets, where the component includes at least one joint portion having a peel strength of 0.200 kN/mm or greater, and the component ...more ...less
17
US2019086031A1
Publication/Patent Number: US2019086031A1
Publication date: 2019-03-21
Application number: 16/113,983
Filing date: 2018-08-27
Abstract: A gas supply device for supplying a hydrogen gas to a dispenser of a hydrogen station includes: a refrigerant flow path through which a refrigerant for cooling the gas before being discharged from the dispenser flows; a refrigerator that can cool the refrigerant; a cooling device that can cool the refrigerant by latent heat when liquid hydrogen changes to the hydrogen gas; and a control unit that performs control to activate the refrigerator while stopping the cooling device when a condition set in advance is satisfied after performing control to activate the cooling device in activation of the hydrogen station. A gas supply device for supplying a hydrogen gas to a dispenser of a hydrogen station includes: a refrigerant flow path through which a refrigerant for cooling the gas before being discharged from the dispenser flows; a refrigerator that can cool the refrigerant; a cooling ...more ...less
18
US2019169704A1
Publication/Patent Number: US2019169704A1
Publication date: 2019-06-06
Application number: 16/321,522
Filing date: 2017-07-07
Abstract: A reduced iron production method includes: a reduction-step of producing reduced iron by heating an agglomerate containing iron oxide and carbonaceous reducing agent to reduce the iron oxide and solidifying a product produced by melting the reduced iron; a first-magnetic-separation-step of separating, among granular metallic iron, first slag, and second slag containing more fine-granular metallic iron than the first slag that are contained in the product, at least the granular metallic iron from the first slag by use of a first magnetic separator to separate first slag containing substance and a granular metallic iron containing substance from each other; a second-magnetic-separation-step of separating the second slag from the first slag containing substance or the granular metallic iron containing substance by use of a second magnetic separator having attraction force different from attraction force of the first magnetic separator; and a crushing-step of crushing the second slag. A reduced iron production method includes: a reduction-step of producing reduced iron by heating an agglomerate containing iron oxide and carbonaceous reducing agent to reduce the iron oxide and solidifying a product produced by melting the reduced iron; a ...more ...less
19
US2019144091A1
Publication/Patent Number: US2019144091A1
Publication date: 2019-05-16
Application number: 16/160,467
Filing date: 2018-10-15
Abstract: The present invention is to provide a launcher for an underwater vehicle by which thrust force of a mover arranged movably in a water conducting tube can efficiently be obtained. The mover forms a plurality of magnetic circuits in which magnetic flux generated by a plurality of permanent magnets flows, and the plurality of magnetic circuits includes a first magnetic circuit in which the magnetic flux flows through one of a pair of circumferential magnets, a second magnetic circuit in which the magnetic flux flows through one of a pair of axial magnets, the second magnetic circuit being formed in parallel to the first magnetic circuit, and a third magnetic circuit in which the magnetic flux flows through a radial magnet, the third magnetic circuit being formed in parallel to the first magnetic circuit and the second magnetic circuit, respectively. The present invention is to provide a launcher for an underwater vehicle by which thrust force of a mover arranged movably in a water conducting tube can efficiently be obtained. The mover forms a plurality of magnetic circuits in which magnetic flux generated by a plurality of ...more ...less
20
US2019056152A1
Publication/Patent Number: US2019056152A1
Publication date: 2019-02-21
Application number: 15/770,559
Filing date: 2016-10-19
Abstract: A heat pump includes an electric motor driven by input electric power, a first compressor mechanically connected to the electric motor and compresses air, a first heat exchanger performing heat exchange between compressed air produced by the first compressor and water, and a first hot water outlet through which the water heated by heat exchange in the first heat exchanger is taken out. Thus, in the air refrigerant heat pump, it is possible to use only air and water to supply heating by applying part of compressed air energy storage technology to the heat pump. A heat pump includes an electric motor driven by input electric power, a first compressor mechanically connected to the electric motor and compresses air, a first heat exchanger performing heat exchange between compressed air produced by the first compressor and water, and a ...more ...less