Abstract: A method of manufacturing a vehicle body frame of the present invention is a method of manufacturing a vehicle body frame including a roof structure, side structures that face each other, and a floor structure. The method includes a primary joining step of butt-joining only one set of face plates among the inner face plates and outer face plates of the plurality of panel boards that form the side structures, and manufacturing intermediate bodies of the side structures; a structure joining step of joining the roof structure, the floor structure, and the intermediate bodies; and a secondary joining step of joining, after the structure joining step, the other set of face plates among the inner face plates and the outer face plates of the plurality of panel boards that form the intermediate bodies to complete the side structures.

Abstract: A method for manufacturing a panel structure in which a reference position of a first frame in an axial direction is first welded to one face of a face plate, a not-yet-welded position closest to the reference position in the axial direction is second welded to the one face, and welding is performed discontinuously to the one face from the not-yet-welded position closest to the reference position at portions on both sides in the axial direction on the basis of the reference position.

Abstract: A liquid jetting apparatus includes: a liquid jetting head which has a liquid jetting surface being formed with a nozzle to jet a liquid to a recording medium; a wiper which makes contact with the liquid jetting surface to bend and wipes away the liquid adhered to the liquid jetting surface; a movement mechanism which moves the wiper relative to the liquid jetting surface in a wipe direction along the liquid jetting surface; a movement controller which stops the wiper, which has wiped away the liquid adhered to the liquid jetting surface by moving relative to the liquid jetting surface in the wipe direction, at a predetermined stop position; and a separating mechanism which separates the wiper stopped by the movement controller from the liquid jetting surface in a separating direction intersecting the liquid jetting surface.

Abstract: A friction stir welding device (1) includes a workpiece disposition unit (2) at which workpieces (W) is disposed, a main body section (3) disposed at a surface (W4) of the workpieces (W) disposed at the workpiece disposition unit (2), a tool holding unit (4) formed in the main body section (3) to enable advance and retreat in a direction facing the workpieces (Z), which is a direction approaching and separating from the workpieces (W) disposed at the workpiece disposition unit (2), and configured to hold a tool (100), and a support medium (5) formed to satisfy a predetermined relative positional relationship in the direction facing the workpieces (Z) with respect to a first shoulder surface of the tool (100) attached to the tool holding unit (4) and configured to support the tool holding unit (4) on the surface (W4) of the workpieces (W) disposed at the workpieces disposition unit (2).

Abstract: A member support of a friction stir spot welding device has a backing piece having a bearing surface that contacts work-pieces, and a supporting body that supports the backing piece. In the backing piece, the amount of change (?) in the position of the bearing surface on the extension line of the central axis of rotation between a state in which the bearing surface is in a reference state perpendicular to the central axis of rotation (Ac) of a rotary tool) and a state in which the bearing surface tilts in response to the tilting of the work-pieces, is less than or equal to a predetermined embedding amount (ds) with which the shoulder part of the rotary tool is embedded in the work-pieces.

Abstract: A friction stirring and joining apparatus includes a tool holder; and pressing means provided ahead in the direction of joining by a tool held by the tool holder for pressing a junction surface of a workpiece. The pressing means includes a load imparting section that imparts a load toward the workpiece; a first abutting portion that is provided between the load imparting section and the tool held by the tool holder and abuts on the junction surface in the workpiece; a second abutting portion that is provided opposite the first abutting portion with respect to the load imparting section and abuts on the surface of the workpiece; and a supporting portion that is attached to the load imparting section and supports the first abutting portion and the second abutting portion.

Abstract: Skin material of a clad material is composed of one or more layers, each layer of the skin materials is made of a metal different from the core material in their component compositions, and at least one layer of the skin material has a cast microstructure, when the skin material is superposed on either of one or both faces of the core material.

Abstract: An ink cartridge includes an ink bag including two flexible sheets disposed to face each other, a plug, a case including a first wall portion and a second wall portion arranged in parallel, a third wall portion arranged perpendicularly with respect to the pair of wall portions, and a penetration portion, the case housing the ink bag such that sheet surfaces of the two sheets respectively face the first wall portion and the second wall portion, and a pressing member including a curved portion toward the outside and a sheet having lower flexibility than that of the two sheets, wherein between the ink bag and the first wall portion, the pressing member is elastically deformed and a restoring force occurs by one section of the curved portion contacting with the first wall portion and another section of the curved portion contacting with one of the two sheets.

Abstract: A signal processing device is provided including: an alternating voltage generation section that generates a square shaped alternating voltage from plural direct voltages, and applies the square shaped alternating voltage to a sensor that is either a temperature detection sensor or a humidity detection sensor; a current-voltage conversion section that converts current of an output signal output from the sensor to an analog voltage; a selector section that selects a range of the current convertible by the current-voltage conversion section from one or other of plural current ranges; and a resistance value computation section that computes the resistance value of the sensor, based on the voltage value of the analog voltage converted by the current-voltage conversion section, the range of current convertible by the current-voltage conversion section, and the voltage value of the voltage generated by the alternating voltage generation section.

Abstract: In a bobbin tool including a first shoulder surface which comes into contact with a front surface of a subject work piece, a second shoulder surface which is disposed so as to face the first shoulder surface and comes into contact with a rear surface of the work piece, and a shaft portion which connects the first shoulder surface and the second shoulder surface to each other with a gap therebetween fixed, the first shoulder surface and the second shoulder surface are provided with a first vortex groove and a second vortex groove which extend toward the front side of a tool rotation direction so as to be opened to the outer peripheral edge as it moves to the outer peripheral side.

Abstract: Provided is a friction stir welding apparatus which performs friction stir welding on a work piece by bringing a tool into contact with a surface of the work piece and rotating and moving the tool about the axis thereof, the friction stir welding apparatus including: a hot air and cool air separating unit which separates a supplied gas into hot air hotter than the gas and cool air cooler than the gas and ejects the hot and cool air, wherein at least one of the hot air and the cool air is supplied to the surface of the work piece.

Abstract: An object of this invention is to diminish a ratio of a concentration of N2O in the dilution air to a concentration of N2O in the measurement object gas diluted by the dilution air as much as possible by removing N2O in a dilution air so that a measurement accuracy of a concentration of N2O in a measurement object gas can be improved. A heater 33 that applies heat to the dilution air, a Pd catalyst 341 and a Pt catalyst 342 are arranged in this order on a flow channel where a dilution air used for diluting the measurement object gas flows, and N2O in the dilution air is oxidized to NOx or reduced to N2 by the Pd catalyst 341 and the Pt catalyst 342.

Abstract: The present invention provides an aluminum alloy material which is used as a core material for an aluminum alloy brazing sheet and has superior strength at a high temperature. The aluminum alloy material of the present invention is used as a core material C1 for an aluminum alloy brazing sheet B31 (or B32) which has a filler alloy F formed on at least one side of the core material C1. The aluminum alloy material contains more than 2.5% by mass and 3.5% by mass or less of Cu, and the balance being made of aluminum and unavoidable impurities.

Abstract: An object of the present invention is to provide a catalyst for hydrodesulfurization/dewaxing of a hydrocarbon oil, with which sulfur compounds in the hydrocarbon oil can be desulfurized to a high degree and which simultaneously is extremely effective in reducing the wax deposit content; a process for producing the catalyst; and a method of hydrotreatment with the catalyst. The invention relates to a catalyst for hydrodesulfurization/dewaxing of a hydrocarbon oil, comprising a support comprising an inorganic oxide containing at least one crystalline aluminosilicate having a one- or two-dimensional pore path system and, having provided thereon, 10 to 35% by mass of a metal in Group 6 of the Periodic Table, 1 to 10% by mass of a metal in Group 8 of the Periodic Table, and 1.

Abstract: A droplet jetting device that includes a recording head section, a pressure sensor and a regulation pump is provided. The recording head section includes a recording head that jets droplets from nozzles and records an image at a recording medium. The pressure sensor is provided at the recording head section and senses a pressure of liquid supplied to the recording head by a main pump from a main tank. The main tank is disposed at a position away from the recording head section. The regulation pump is provided at the recording head section that is smaller in scale than the main pump and regulates pressure of the liquid such that the pressure of the liquid sensed by the pressure sensor is constant.

Abstract: A brazing sheet of aluminum alloy composed of a core material and a first brazing filler metal covering one surface of the core material. The core material contains as an essential component 0.2-1.0 mass % of Cu and as optional components at least one species of no more than 1.5 mass % of Si, no more than 1.8 mass % of Mn, no more than 0.35 mass % of Ti, and no more than 0.5 mass % of Mg, with the remainder being Al and inevitable impurities. The first brazing filler metal has a liquid phase ratio (X %) at 600° C. and a thickness (Y ?m) such that X and Y satisfy the following relationship: (1) 30?X?80, (2) Y?25, and (3) 1000?X×Y?24000. The brazing sheet provides good brazeability and maintains high corrosion resistance after brazing on the surface cladded with the brazing filler metal.

Abstract: Equipment for manufacturing skin material of a clad material includes a casting apparatus which melts and mixes a metal for the skin material different from the core material in their component compositions, and casts the skin material; an ingot-cutting apparatus which cuts an ingot for skin material which is cast by the casting apparatus; and a conveying apparatus which conveys the ingot for skin material among each apparatus. The ingot-cutting apparatus is a slicing apparatus which slices the ingot for skin material into a predetermined thickness.

Abstract: An inkjet recording apparatus is provided. The inkjet recording apparatus includes a recording head including a nozzle formation surface, the nozzle formation surface including a plurality of nozzles formed thereon for discharging ink to record an image on a recording medium conveyed to a position opposing the nozzle formation surface; a wiper blade configured to contact the nozzle formation surface to wipe the nozzle formation surface; and an introducing portion formed on a side surface of the recording head intersecting the nozzle formation surface, the introducing portion configured to introduce ink attached to the wiper blade or the nozzle formation surface to the side surface to hold the introduced ink at the side surface.

Abstract: A method for manufacturing a clad material composed of a core material and one or more skin materials which are superposed on either one or both faces of the core material, includes a clad material preparation process where an ingot for core material is manufactured by dissolving and casting a metal, and an ingot for skin material is manufactured by dissolving and casting a different metal for skin material, without hot rolling. The ingot for skin material is superposed as a skin material at a predetermined position of either one or both faces of the ingot for core material and the superposed material is hot-rolled to manufacture a clad material.