Abstract: Disclosed is a martensitic stainless steel for a hydrogen gas environment, having a composition consisting of: 0.02 mass %?C?0.30 mass %, Si?1.50 mass %, Mn?1.50 mass %, P?0.150 mass %, S?0.150 mass %, 8.0 mass %?Cr?22.0 mass %, 1.0 mass %?Ni?6.0 mass %, 0.01 mass %?Nb?1.0 mass %, and N?0.12 mass %, and optionally at least one selected from the group consisting of: Cu?6.00 mass %, Mo?3.00 mass %, V?1.50 mass %, and B?0.0500 mass %, with the balance being Fe and inevitable impurities; having: a crystal grain size number of prior austenite grains of 2.0 or more, an amount of retained austenite of 40 vol % or less, a tensile strength of 1,500 MPa or less, and satisfying DH2(0.7)/Dair?0.8.

Abstract: The present invention relates to an austenitic stainless steel for high-pressure hydrogen gas or liquid hydrogen, having a composition consisting of: C?0.20 mass %, 0.10 mass %? Si?1.00 mass %, 0.10 mass %?Mn?2.0 mass %, P?0.050 mass %, S?0.050 mass %, 2.0 mass %?Cu<4.0 mass %, 8.0 mass %? Ni?11.5 mass %, 17.0 mass %<Cr?22.0 mass %, Mo?0.20 mass %, and N?0.050 mass %, with the balance being Fe and inevitable impurities; having an Ni equivalent Nieq of 24.0 or more; and having a relative reduction in area of 0.8 or more.

Abstract: The present invention relates to providing fluorescent silica nanoparticles having high luminance even when many fluorescent dyes are contained in silica particles. Fluorescent silica nanoparticles according to the present invention is fluorescent silica nanoparticles including silica nanoparticles and fluorescent dyes contained in the silica nanoparticles, in which a total volume of the fluorescent dyes is 5% or more with respect to a total volume of the fluorescent silica nanoparticles, and an emission quantum yield of the fluorescent silica nanoparticles is 10% or more.

Abstract: Provided is a spatter scattering prevention apparatus that eliminates the necessity to, for example, remove scattered spatters and thus makes it possible to facilitate maintenance work, and also provided is a flash butt welder including the spatter scattering prevention apparatus. The spatter scattering prevention apparatus 1 according to the present invention is characterized by being configured to form a water screen in midair in the vicinity of a welding spot, at which welding is performed, wherein the water screen is for preventing spatters, generated during the welding, from scattering. The spatter scattering prevention apparatus is also characterized by being configured to form the water screen on one side in a lateral direction of the welding spot and form the water screen on the other side, laterally opposite to the one side, of the welding spot.

Abstract: A manufacturing system for a fitted body is configured to fit the first connector selected based on the functions of the fitted body and the second connector to manufacture the fitted body. The first connectors each has a first function portion differing from each other in accordance with functions of the fitted body. The second connector has a common second function portion allowing an engagement with the first function portion.

Abstract: A glass run includes: an extrusion molding part disposed along an upper side part of a vehicle door; a molded part connected and molded to the extrusion molding part, the molded part being disposed in a predetermined corner part and the vicinity of the corner part; a protruding piece part provided in a predetermined longitudinal section extending across a connecting part between the extrusion molding part and the molded part, the protruding piece part protruding from an upper surface of a base part and being provided integrally with the molded part; and a concave part provided from an upper surface of the protruding piece part to the upper surface of the base part, a bottom part of the concave part being a predetermined area of the upper surface of the base part including a part of the connecting part.

Abstract: A rolling mill includes a roll pair, having first and second rolls, for rolling a bar steel, and first and second hydraulic cylinders for moving the first roll relative to the second roll, the first and second hydraulic cylinders being respectively connected to first and second supporting portions rotatably supporting the first roll at both ends thereof. A rolling area for rolling the bar steel, which is set as a partial continuous area in the longitudinal direction of the roll pair, is positioned so that distances from the rolling area to the supporting portions differ from each other, and the rolling mill includes: a distance sensor to measure a roll deflection in the rolling area of at least one of the rolls; and a controller to control the amount of depression of the hydraulic cylinders based on a detection value of the distance sensor.

Abstract: The lamp body structure for the saddle riding vehicle includes a taillight, and a cover covering the taillight from the periphery. The cover includes a pair of rear-side turn signal lamps fixed to the cover such as to be located on both left and right sides of the taillight. The rear-side turn signal lamp is provided with a fixture for fixing the rear-side turn signal lamp to the cover. The taillight is inserted into an opening provided in the cover, whereby a lens is exposed to outside and is covered by the cover from the periphery. The rear-side turn signal lamp includes a guard section covering the fixture.

Abstract: An electrical component box disposed from above to below a main frame, and a fuel tank disposed in the upper part of the main frame and above the electrical component box, are arranged to the vehicle rear with respect to a head pipe comprising a motorcycle. In this case, the top of the electrical component box is open. In the gap between the electrical component box and the fuel tank, a gap cover is arranged to hide the gap from the outside.

Abstract: Provided is a spatter scattering prevention apparatus that eliminates the necessity to, for example, remove scattered spatters and thus makes it possible to facilitate maintenance work, and also provided is a flash butt welder including the spatter scattering prevention apparatus. The spatter scattering prevention apparatus 1 according to the present invention is characterized by being configured to form a water screen in midair in the vicinity of a welding spot, at which welding is performed, wherein the water screen is for preventing spatters, generated during the welding, from scattering. The spatter scattering prevention apparatus is also characterized by being configured to form the water screen on one side in a lateral direction of the welding spot and form the water screen on the other side, laterally opposite to the one side, of the welding spot.

Abstract: The lamp body structure for the saddle riding vehicle includes a taillight, and a cover covering the taillight from the periphery. The cover includes a pair of rear-side turn signal lamps fixed to the cover such as to be located on both left and right sides of the taillight. The rear-side turn signal lamp is provided with a fixture for fixing the rear-side turn signal lamp to the cover. The taillight is inserted into an opening provided in the cover, whereby a lens is exposed to outside and is covered by the cover from the periphery. The rear-side turn signal lamp includes a guard section covering the fixture.

Abstract: A headlight is provided with a light source unit, an aiming mechanism which can adjust aiming with respect to the light source, a headlight cover which is arranged in front of the light source, and a housing which, by fitting with the headlight cover, covers the light source unit and the aiming mechanism. Inside of the headlight, and between the headlight cover and the light source unit, a stay is provided for arranging the light source unit and the aiming mechanism on the headlight cover.

Abstract: The purpose of the present invention is to provide a straddle-type vehicle that enables reducing the number of components. Between front forks at the bottom edge of a top bridge configuring a motorcycle, a stay is provided which supports turn signals on each of the front forks. In this case, the stay is configured from a single member. Further, a stay fixing unit for fixing the stay and a first front fork fixing unit for fixing the front forks are provided on the top bridge. By this means, it is possible for the stay to be a single common member that supports turn signals on each of the front forks.

Abstract: In a saddle-riding-type vehicle sensor unit attachment structure, a brake caliper bracket that holds the brake caliper is attached to the rearward extension stay of the front fork, the wheel speed sensor is attached to a lower position than the rearward extension stay of the brake caliper bracket, and the sensor cable is arranged toward an upward direction at an inner side in a vehicle width direction of the rearward extension stay and is then drawn to an outer side in a vehicle width direction of the brake caliper bracket at an upper position than the rearward extension stay to be supported by the brake caliper bracket.

Abstract: An electrical component box disposed from above to below a main frame, and a fuel tank disposed in the upper part of the main frame and above the electrical component box, are arranged to the vehicle rear with respect to a head pipe comprising a motorcycle. In this case, the top of the electrical component box is open. In the gap between the electrical component box and the fuel tank, a gap cover is arranged to hide the gap from the outside.

Abstract: The purpose of the present invention is to provide a straddle-type vehicle that enables reducing the number of components. Between front forks at the bottom edge of a top bridge configuring a motorcycle, a stay is provided which supports turn signals on each of the front forks. In this case, the stay is configured from a single member. Further, a stay fixing unit for fixing the stay and a first front fork fixing unit for fixing the front forks are provided on the top bridge. By this means, it is possible for the stay to be a single common member that supports turn signals on each of the front forks.

Abstract: A headlight is provided with a light source unit, an aiming mechanism which can adjust aiming with respect to the light source, a headlight cover which is arranged in front of the light source, and a housing which, by fitting with the headlight cover, covers the light source unit and the aiming mechanism. Inside of the headlight, and between the headlight cover and the light source unit, a stay is provided for arranging the light source unit and the aiming mechanism on the headlight cover.

Abstract: A glass run includes: an extrusion molding part disposed along an upper side part of a vehicle door; a molded part connected and molded to the extrusion molding part, the molded part being disposed in a predetermined corner part and the vicinity of the corner part; a protruding piece part provided in a predetermined longitudinal section extending across a connecting part between the extrusion molding part and the molded part, the protruding piece part protruding from an upper surface of a base part and being provided integrally with the molded part; and a concave part provided from an upper surface of the protruding piece part to the upper surface of the base part, a bottom part of the concave part being a predetermined area of the upper surface of the base part including a part of the connecting part.

Abstract: In a saddle-riding-type vehicle sensor unit attachment structure, a brake caliper bracket that holds the brake caliper is attached to the rearward extension stay of the front fork, the wheel speed sensor is attached to a lower position than the rearward extension stay of the brake caliper bracket, and the sensor cable is arranged toward an upward direction at an inner side in a vehicle width direction of the rearward extension stay and is then drawn to an outer side in a vehicle width direction of the brake caliper bracket at an upper position than the rearward extension stay to be supported by the brake caliper bracket.

Abstract: In a saddle-riding-type vehicle sensor unit attachment structure, a brake caliper bracket that holds the brake caliper is attached to the rearward extension stay of the front fork, the wheel speed sensor is attached to a lower position than the rearward extension stay of the brake caliper bracket, and the sensor cable is arranged toward an upward direction at an inner side in a vehicle width direction of the rearward extension stay and is then drawn to an outer side in a vehicle width direction of the brake caliper bracket at an upper position than the rearward extension stay to be supported by the brake caliper bracket.