Abstract: A spark plug includes a sealing material disposed around a center electrode in an insulator. On a cross section including a center line of an axial hole, one of long sides of a rectangle is set into the insulator along the center line. The rectangle is divided into 20 equal regions in the insulator by dividing each of short sides of the rectangle into two equal parts and dividing each of the long sides of the rectangle into 10 equal parts. The rectangle has a porosity of 5% or less. Among pores that appear in each of the regions, 10 pores having largest areas are selected as specific pores. The specific pores have an average area of 26.3 ?m2 or less. The specific pores include no more than 30 pores having areas of 37 ?m2 or more and no less than eight pores having areas of 51 ?m2 or more.

Abstract: Cellulose particles each include: a base particle containing cellulose as a main component; and a coating layer that covers the base particle and contains a coating material other than a coupling agent.

Abstract: Cellulose acetate particles include cellulose acetate as a main component, in which a total degree of acyl substitution of the cellulose acetate is 0.05 or more and less than 0.70.

Abstract: A mixed coating material is obtained by mixing a cold curing resin that undergoes reaction curing at normal room temperature, and a fluororesin. The constituent ratio of the fluororesin in a coating film ranges from 43 wt % to 68 wt %.

Abstract: Provided is a curable resin composition which can be cured to form a material (cured product) that has low tack properties and resists adhesion of garbage. The present invention provides a curable resin composition comprising polysiloxane (A) having not less than 2 alkenyl groups in the molecule and polysiloxane (B) having not less than 2 hydrosilyl groups in the molecule, wherein (T+Q)/D>0.3 and M+D+T+Q=1 are satisfied regarding all silicon atoms contained therein, the amount of the hydrosilyl groups with respect to 1 mol of aliphatic carbon-carbon double bonds present therein is 0.9 to 5.0 mol, and a cured product of the curable resin composition exhibits a separation strength of not more than 0.40 N per mm2 in separation load evaluation and/or a total separation load of not more than 0.018 N·mm per mm2.

Abstract: A reactor core of the magnetically coupled reactor includes a first outer core portion including two first leg portions extending in a first direction and a first base portion linking the two first leg portions, a second outer core portion including two second leg portions extending in the first direction and a second base portion linking the two second leg portions, and an intermediate core portion integrally extending continuously in the first direction and connecting the first leg portions and the second leg portions, in which a first connection portion, to which the first leg portions and the intermediate core portion are connected, is positioned in an area in which a first coil portion is wound in the first direction, and a second connection portion, to which the second leg portions and the intermediate core portion are connected, is positioned in an area in which the second coil portion is wound in the first direction.

Abstract: A vehicle power supply system includes a first secondary battery, a second secondary battery whose output voltage is lower than that of the first secondary battery, a power conversion device configured to convert an input AC voltage into a DC voltage and output the DC voltage, a battery pack configured to receive the DC power output from the power conversion device and charge the first secondary battery, DC/DC converters configured to step down an input DC voltage to output the stepped-down DC voltage, and a power control unit configured to control the battery pack. The first secondary battery is connected to input ports of the DC/DC converters via the battery pack. An output port of the DC/DC converter is connected to a video media control unit, and the DC/DC converter is provided separately from the video media control unit. An output port of the DC/DC converter is connected to the second secondary battery.

Abstract: A transient voltage protection device includes: an element body; a cavity portion provided in the element body; a pair of internal electrodes disposed in the element body; and a pair of external electrodes connected to the pair of internal electrodes. The pair of internal electrodes extend along a first direction and face each other in a second direction intersecting the first direction. The cavity portion includes a gap region located between the pair of internal electrodes in the second direction. A tip portion of at least one of the pair of internal electrodes is in contact with only the element body.

Abstract: A fixing apparatus includes a belt, a steering roller, a slide member, and a pressing rotation member that forms a nip portion by pressing the belt and is disposed to face the slide member. The belt applies heat to a recording material and has an inner circumferential surface that receives a lubricant applied onto the inner circumferential surface. The pressing rotation member fixes a toner image onto the recording material by applying heat and pressure to an unfixed toner image in the nip portion, in cooperation with the belt. An end portion of the belt on one end side in a belt width direction takes a position outside an end portion of the slide member on the one end side and a position inside the end portion of the slide member on the one end side while the steering roller is in operation.

Abstract: An image forming apparatus includes an image forming unit and a developing separation mechanism. The image forming unit includes an image carrier and a developing device. The developing device includes a developing member and movable in a developing position where the developing member is in contact with the image carrier and a separated position where the developing member is separated away from the image carrier, and is configured to be drawn out from an apparatus main body. The developing separation mechanism includes an arm member configured to interfere with the developing device from a downstream side of a draw-out direction so as to move the developing device from the developing position to the separated position, and to be turned to an upstream side of the draw-out direction by the image forming unit when the image forming unit is drawn out and then be separated from the developing device.

Abstract: Provided are a fastener that can reduce the fastener weight, decrease body shear fracture, and avoid slip of a nut part and damage of the body due to the slip. The fastener includes: a metal nut part into which a bolt is screwed along an axis; and a resin body in which the nut part is inserted, the nut part includes an internal thread part into which the bolt is screwed from one end to another, a plate-like flange part connected to a side of the other end of the internal thread part and having a flange face perpendicular to the axis, and an erected part arranged at a position apart from the internal thread part radially about the axis and erected axially from the flange face, and the internal thread part and the erected part are inserted in the body.

Abstract: A spark plug 1 of the present invention includes an insulator 2 made from an alumina-based sintered body and including: a leg portion 22 provided on a front end side; a middle trunk portion 23 provided on a rear end side of the leg portion 22 and having a larger diameter than the leg portion 22; and a flange portion 24 provided on the rear end side of the middle trunk portion 23 and having a larger diameter than the middle trunk portion 23.

Abstract: The automatic suitability determination system includes a check document storing part, a check document retrieving part, a determination test execution part, and a suitability determination part. The check document storing part stores suitability check documents. The check document retrieving part is configured to read out the suitability check document related to a determining target component of operational suitability from the check document storing part. The determination test execution part is configured to read information contained in the suitability check document read out by the check document retrieving part and to execute tests of suitability determination items specified in the suitability check document by making the determining target component of the operational suitability operate based on the information.

Abstract: Provided is an insulated wire including a coating film excellent in insulation performance even with a small thickness. An insulated wire of the present disclosure includes a conductor wire and an insulating film covering the conductor wire. The insulating film contains a cured product of a compound represented by Formula (1). In Formula (1). R1 and R2 each represent a group represented by Formula (r-1), D1 and D2 each represent a single bond or a linking group.

Abstract: A battery pack includes rectangular secondary batteries arranged in a state in which the secondary batteries is pressed against each other in an arrangement direction through spacers. Each secondary battery is configured such that a flat wound electrode body is housed in a battery case with a winding axis extending parallel with a long side surface of the battery case. The electrode body has a flat portion in which positive and negative electrode material mixture layers face each other with a separator interposed therebetween. The spacers include a pair of first pressing portions pressing both end portions of the long side surface, which faces the flat portion, of the battery case in a winding axis direction along a direction perpendicular to the winding axis, and a second pressing portion pressing a portion of the long side surface along the winding axis between the pair of first pressing portions.

Abstract: A laser welding apparatus capable of eliminating or reducing a possibility that a part of air flows upward and hence fumes adhere to its protective optical member is provided. A laser welding apparatus according to the present disclosure includes a protective optical member disposed between a laser scanner and a workpiece, an upper-side gas supply unit, and a lower-side gas supply unit disposed below the upper-side gas supply unit. The protective optical member includes a plate-like part and a cylindrical part extending downward from an outer edge of the plate-like part. The upper-side gas supply unit is disposed below the plate-like part of the protective optical member. The upper-side gas supply unit includes a plurality of first ejection ports configured to eject gas to a center of the plate-like part, and a plurality of second ejection ports configured to eject gas downward with respect to the plate-like part.

Abstract: A spark plug 1 of the present invention includes an insulator 2 made from an alumina-based sintered body and including: a leg portion 22 provided on a front end side; a middle trunk portion 23 provided on a rear end side of the leg portion 22 and having a larger diameter than the leg portion 22; and a flange portion 24 provided on the rear end side of the middle trunk portion 23 and having a larger diameter than the middle trunk portion 23.

Abstract: A cellulosic particle contains cellulose as its base constituent, and the percentage water absorption of the cellulosic particle measured by method B in ISO 15512:1999 is 11% or more and 20% or less.

Abstract: Provided is a paint-protective coating material formed from a liquid coating composition. The coating composition comprises, as its base polymer, a polymer (A) that is a polymerization product of monomers comprising an acrylic monomer. The paint-protective coating material has a storage modulus at 70° C. of 0.40 MPa or higher and 1.30 or lower, a storage modulus at 23° C. of 250 MPa or higher and 800 MPa or lower, and a storage modulus at ?30° C. of 2300 MPa or less.

Abstract: A cellulosic particle contains: cellulose as its base constituent; and at least one selected from the group consisting of a hydrocarbon ester and a ketone, and the amount of the hydrocarbon ester or ketone in the cellulosic particle is 3 ppm or more and 1000 ppm or less.