Patent application number | Description | Published |
20120294752 | WELDING METAL HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND DROP-WEIGHT CHARACTERISTICS - Provided is a welding metal in which a predetermined chemical component composition is satisfied, the A value as specified by formula (1) is 3.8% to 9.0%, and the surface area percentage of carbide having a circle-equivalent diameter of 0.20 μm or greater in the welding metal is 4.0% or less. | 11-22-2012 |
20130028782 | WELDING METAL HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND DROP-WEIGHT CHARACTERISTICS - Provided is a welding metal in which the chemical component composition thereof is appropriately controlled; an A value that is specified by a predetermined relational expression satisfies the requirement of being 3.8% to 9.0%; an X value that is specified by a predetermined relational expression satisfies the requirement of being 0.5% or greater; the area percentage of carbide particles having a circle-equivalent diameter of 0.20 μm or greater in the welding metal is 4.0% or less; and the number of carbide particles having a circle-equivalent diameter of 1.0 μm or greater is 1000 particles/mm | 01-31-2013 |
20130270246 | WELDING SOLID WIRE AND WELD METAL - The objective of the present invention is to provide a similar-metal-composition welding solid wire, and weld metals therefor, with which both excellent bead shape and high ultralow-temperature toughness for the weld joints can be achieved when welding 9% Ni steels together by means of a high-efficiency MIG welding method. A fixed ratio of a REM and O are included in a similar-metal-composition welding solid wire of a 9% NI steel base material, and oxygen is supplied in a trace amount in a range that does not hinder the ultralow-temperature toughness of the weld joint ( | 10-17-2013 |
20130309003 | WELD METAL WITH EXCELLENT CREEP CHARACTERISTICS - This weld metal has excellent creep characteristics and has a given chemical composition. In the weld metal, the value A defined by equation (1) is 200 or greater, and carbide particles each having an equivalent-circle diameter of 0.40 μm or more have an average equivalent-circle diameter less than 0.85 μm. In the segments that connect the centers of three or more carbide particles which are present on a 6-μm straight line and which each has an equivalent-circle diameter of 0.40 μm or more, the sum of the lengths of the portions where the segments intersect the carbide particles is 25% or more of the overall length of the segments. | 11-21-2013 |
20130315661 | WELD METAL HIGHLY RESISTANT TO TEMPER EMBRITTLEMENT - This weld metal has a predetermined chemical composition, controls the number of oxides in accordance with size, and has an A value stipulated by the belowmentioned formula of no greater than 5.0. A value=(100×[C]−6×[insol.Cr]−2×[insol.Mo]−24×[insol.V]−13×[insol.Nb])×([Mo]−[insol.Mo]), where [insol.Cr], [insol.Mo], [insol.Nb], and [insol.V] are contents (in mass percent) of Cr, Mo, Nb, and V, respectively, present as a compound after stress-relief heat treatment, and [C] and [Mo] are contents (in mass percent) of C and Mo, respectively, contained in the weld metal. | 11-28-2013 |
20130315777 | WELD METAL EXCELLENT IN HYDROGEN EMBRITTLEMENT RESISTANCE - Disclosed is a weld metal which is formed by gas-shielded arc welding using a flux-cored wire, and which has a specific chemical composition, in which retained austenite particles are present in a number density of 2500 per square millimeter or more and in a total volume fraction of 4.0% or more based on the total volume of entire structures of the weld metal. The weld metal has excellent hydrogen embrittlement resistance and is resistant to cracking at low temperatures even when the weld metal has a high strength. | 11-28-2013 |
20140086786 | WELD METAL HAVING EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT SUSCEPTIBILITY - The weld metal of the present invention is formed by gas shield arc welding using a flux-cored wire, has a predetermined chemical component composition, and contains 20% or more of Ti. The amount of Ti-containing oxide particles having a circle-equivalent diameter of 0.15-1.0 μm is at least 5000 per square mm, the amount of V per total mass of weld metal present as a compound within the weld metal is 0.002% or more, and the average circle equivalent diameter of V-containing carbide present in the weld metal is 15 nm or less. | 03-27-2014 |
20140294491 | WELD METAL HAVING EXCELLENT TEMPER EMBRITTLEMENT RESISTANCE - A weld metal according to the present invention has a specific chemical composition, contains carbide particles each having an equivalent circle diameter of greater than 0.5 μm in a number of 0.25 or less per micrometer of grain boundary length, and has an A-value as specified by Formula (1) of 0.12 or more, Formula (1) expressed as follows: | 10-02-2014 |
20140377123 | WELD METAL HAVING EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT - The present invention is a weld metal formed by gas shielded arc welding using a flux cored wire, the welded metal having a predetermined chemical composition, residual austenite particles being present in an amount of at least 2500 particles/mm | 12-25-2014 |
Patent application number | Description | Published |
20100206130 | WELDING SOLID WIRE - It is an object of the present invention to provide a similar composition metal type welding solid wire capable of forming a welded joint having excellent cryogenic characteristics, such as ensuring a low-temperature toughness equivalent to that of the cryogenic base metal, and in addition, further having a high crack initiation resistance, and a weld metal thereof. The welding solid wire of the present invention is an iron base welding solid wire including carbon: 0.10 mass % or less (not inclusive of 0%), silicon: 0.15 mass % or less (not inclusive of 0%), nickel: 8.0 to 15.0 mass %, manganese: 0.10 to 0.80 mass %, and Al: 0.1 mass % or less (not inclusive of 0%), and oxygen in an amount of 150 ppm or less (inclusive of 0), characterized by including: a REM: 0.005 to 0.040 mass %, or chromium: 4.0 mass % or less (not inclusive of 0%). | 08-19-2010 |
20120021246 | WELD METAL AND WELDED STRUCTURE HAVING WELD JOINTS USING THE SAME - To provide weld metal that has a high strength and toughness in the as-welded condition or in the annealed condition. The weld metal of the present invention contains by weight %, C: 0.04-0.15%, Si: 0.50% or less, Mn: 1.0-1.9%, Ni: 1.0-4.0%, Cr: 0.10-1.0%, Mo: 0.20 to 1.2%, Ti: 0.010-0.060%, Al: 0.030% or less, O: 0.15-0.060%, N: 0.010% or less, Fe and inevitable impurities as the remaining contents. The weld metal is further characterized by the fact that the ratio of Ti content (%) to Si content (%) i.e.,[compound type Ti]/[compound type Si] is more than 1.5, and the number A defined by the following formula is 0.50 or more, wherein A=[Ti]/([O]−1.1×[Al]+0.05×[Si]). | 01-26-2012 |
Patent application number | Description | Published |
20100245270 | IMAGE INPUT DEVICE AND IMAGE INPUT METHOD - An image input device is provided with: a display unit for displaying an image, the display unit including a transparent flat plate; an image sensing unit for sensing an image on a contact surface of a document placed on the flat plate, the contact surface being in contact with the display unit; a contact sensing unit for sensing a contact of the document with the flat plate; and a display control unit for controlling to display an image in an even and specific color when the contact of the document has been sensed by the contact sensing unit. | 09-30-2010 |
20110043489 | DISPLAY DEVICE AND CONTROL METHOD - A display device is provided which is capable of specifying a touch operation direction when a touch operation is detected. A display device includes a photosensor built-in LCD for capturing, in an image, a touch operation performed onto a display screen, from inside a display unit; and a touch operation direction determining unit for determining a direction of the touch operation performed onto the touch location, based on the captured image. | 02-24-2011 |
20140245388 | AUTHENTICATION APPARATUS, METHOD FOR CONTROLLING AUTHENTICATION APPARATUS, COMMUNICATION APPARATUS, AUTHENTICATION SYSTEM, AND STORAGE MEDIUM IN WHICH CONTROL PROGRAM IS STORED - A family message board server includes a device authentication section which authenticates a television in a case where an access to a family message board is made via the television, identification information of the television, user identification information, and identification information of a smart phone are received via the smart phone, and it is determined that the user identification information and the identification information of the smart phone which have been received respectively match user identification information and identification information of the smart phone which have been associated with each other by a device registration section. | 08-28-2014 |
20150088287 | DEVICE-OPERATION MANAGEMENT APPARATUS, REMOTE OPERATION SYSTEM, METHOD OF CONTROLLING DEVICE-OPERATION MANAGEMENT APPARATUS, AND STORAGE MEDIUM - A device-operation management apparatus of the present invention is an agent server for receiving a device operation instruction from a portable terminal via a user's input operation and managing an operation of a house device, and causes an operation button to be displayed on the user's portable terminal so that the user can perform a touch operation, which operation button is for transmitting, to the device, the operation instruction for operating the device in accordance with an operation proposal included in a message which indicates the operation proposal to the home device. | 03-26-2015 |