Abstract: The object of the present invention is to provide a simple method for preparing an N-alkoxycarbonyl piperidine derivative. The object can be solved by a method for preparing a hydroxypiperidine derivative, comprising a step of: (A) reacting a piperidylidene acetic acid derivative represented by the formula (1): wherein R1 is an aralkyl group which may have a substituent group, and R2 is an alkyl group, with 4-hydroxypiperidine in the presence of base, to obtain a hydroxypiperidine derivative represented by the formula (2) or the formula (3): wherein R1 is an aralkyl group which may have a substituent group.

Abstract: An impact power tool includes a front housing connected to a rear housing. A motor is disposed at least partially in the rear housing. An impulse case is disposed at least partially in the front housing. The impulse case is operably coupled to the motor to receive torque therefrom and be rotated thereby. A first protrusion is provided on an interior surface of the impulse case. A first blade is provided inside the impulse unit and is configured to be impacted by the first protrusion. An output shaft is partially disposed within the impulse unit and partially projects out of the impulse unit. The output shaft is configured to be rotated in response to the first protrusion impacting the first blade.

Abstract: A wire electrode feeding apparatus or the like is provided, suitable for feeding a wire electrode along its original path without deviating from its original path. A conversion unit 9 feeds the wire electrode from a feeding inlet 21 to a feeding outlet 25 using a machining liquid. A roller 23 changes the feeding direction of the wire electrode. A discharging unit 27 discharges the machining liquid toward the feeding outlet 25 in a direction tangential to the contact face of the roller 23, to generate a flow of the machining liquid. On the other hand, a diverted flow path for the machining liquid is defined along the contact face of the roller 23 from the feeding outlet 25 side to the feeding inlet 21 side. An intake unit 29 takes in air according to the pressure of the machining liquid to supply the air to the diverted flow path.

Abstract: A sliding member (10) including a coating film (1) composed of a hard carbon layer on a sliding surface (16) of a base material (11). The coating film has, when a cross section thereof is observed by a bright-field TEM image, a thickness within a range of 1 ?m to 50 ?m, and is configured by repeating units including black hard carbon layers (B), relatively shown in black, and white hard carbon layers (W), relatively shown in white, and laminated in a thickness direction, and comprise an inclined region, provided on a base material side, where thicknesses of white hard carbon layers (W) of the repeating units gradually increase in a thickness direction, and a homogeneous region\, provided on a surface side of the sliding member, where thicknesses of the white hard carbon layers (W) of the repeating units are the same or substantially the same in the thickness direction.

Abstract: A thermochromic writing instrument including a writing body, storing a thermochromic ink therein, stored in a barrel; an operation body provided in the barrel to be operated to longitudinally move the writing body; a nib of the writing body configured to be capable of appearing from a front end of the writing instrument, wherein the writing instrument 1 further includes a friction unit, for rubbing handwriting in the thermochromic ink and capable of thermally changing the color of the handwriting by frictional heat generated at that time, and at least one clip body as the operation body, the friction unit 10 is provided at a rear end of the barrel, and the clip body is provided in an area other than the rear end of the barrel.

Abstract: The purpose of the invention is to provide technology, which, in addition to being capable of forming thick hard carbon films of excellent durability even using PVD, is able to establish both chipping resistance and wear resistance in the formed hard carbon film and able to improve low friction properties and peeling resistance. Provided is a coating film to be coated on the surface of a substrate, the coating film having a total film thickness of greater than 1 ?m to 50 ?m wherein: when a cross-section is observed using bright field TEM images, white hard carbon layers that are shown as relatively white and black hard carbon layers that are shown as black are alternately laminated in the thickness direction; and the white hard carbon layers have regions that have grown in a fan-shape in the thickness direction.

Abstract: A rotary power tool, such as an oil pulse driver, includes: a motor, a pinion rotated by the motor, planet gears that mesh with the pinion, an internal gear that meshes with the planet gears and a shaft that is rotationally driven by the planet gears and disposed frontward of the planet gears. The internal gear comprises an internal gear part and an internal gear retaining part for holding the internal gear part. An oil unit bearing is disposed frontward of the internal gear part, and the oil unit bearing is held at a front part of the internal gear retaining part.

Abstract: In the present invention, the influence by flora of the skin on dermatitis is examined by analyzing Tmem79-knockout model mice, and a bacterium having a suppressive effect on dermatitis is identified, and the present invention relates to a pharmaceutical composition derived from such a bacterium, containing as active components one or more substances selected from: (a) a bacterial cell of an ampicillin-sensitive bacterium, or a constituent component of the bacterium; (b) a culture supernatant of an ampicillin-sensitive bacterium, or a purified product from the culture supernatant; (c) an extract of an ampicillin-sensitive bacterium; and (d) a metabolite of an ampicillin-sensitive bacterium.

Abstract: It is a purpose of the present invention to provide a wire electrical discharge machining system allowing a wire electrical discharge machining device and a robot to operate in conjunction with each other with high efficiency. A wire electrical discharge machining system 1 includes wire electrical discharge machining devices 7, 11, and 15, and a robot unit 17 that mounts a workpiece on the wire electrical discharge machining device. The wire electrical discharge machining devices 7, 11, and 15 may each perform either rough machining with supported cores or finishing machining after the cores are removed. Subsequently, core processing may be performed by means of a corresponding dedicated apparatus. Also, the core processing may be performed by means of a single common apparatus.

Abstract: A wire electrical discharge machining system allows a wire electrical discharge machining device and a robot to operate in conjunction with each other with high efficiency. A wire electrical discharge machining system 1 includes wire electrical discharge machining devices 7, 11, and 15, and a robot unit 17 that mounts a workpiece on the wire electrical discharge machining device. The wire electrical discharge machining devices 7, 11, and 15 may each perform either rough machining with supported cores or finishing machining after the cores are removed. Subsequently, core processing may be performed by a corresponding dedicated apparatus. Also, the core processing may be performed by a single common apparatus. The robot unit 17 mounts and collects the workpiece so as to allow these wire electrical discharge machining apparatuses to effectively operate, thereby providing wire electrical discharge machining with improved efficiency for the overall system.

Abstract: A thermochromic writing instrument including a writing body, storing a thermochromic ink therein, stored in a barrel; an operation body provided in the barrel to be operated to longitudinally move the writing body; a nib of the writing body configured to be capable of appearing from a front end of the writing instrument, wherein the writing instrument 1 further includes a friction unit, for rubbing handwriting in the thermochromic ink and capable of thermally changing the color of the handwriting by frictional heat generated at that time, and at least one clip body as the operation body, the friction unit 10 is provided at a rear end of the barrel, and the clip body is provided in an area other than the rear end of the barrel.

Abstract: A power tool including a rear cover simplifies assembly. A driver drill includes a motor including a stator and a rotor rotatable relative to the stator, a motor housing accommodating the motor, being cylindrical, and including a left housing and a right housing being laterally separable, a grip connected to a lower portion of the motor housing, an output unit in front of the motor and driven by the motor, and a rear cover supporting a rear portion of the rotor and closing a rear portion of the motor housing. The rear cover is held and fastened between the left housing and the right housing.

Abstract: A motor control apparatus drives an inverter which supplies and receives electric power with respect to a motor by pulse width modulation. The motor control apparatus sets a frequency of a carrier such that a frequency of a sideband wave component of the carrier which is used for the pulse width modulation and a frequency of a predetermined rotation order of the motor become different from each other.

Abstract: A terminal state measurement device for a coaxial cable includes: a conductive cylindrical body which comes close to a front end edge of an outer conductor terminal to bring a front end face of the conductive cylindrical body into contact with the front end edge when the outer conductor terminal is connected to a coaxial cable; a conduction measurement element displaceable with respect to the conductive cylindrical body in an axial direction, and which contacts a front end of an inner conductor terminal from the front side to displace in the axial direction in accordance with an insertion position of the inner conductor terminal; a displacement measurement device which measures a position of the front end of the inner conductor terminal; and an insulation determination unit which determines an insulation quality based on a conduction state of the conduction measurement element and the conductive cylindrical body.

Abstract: In multiple magnetic sensors, for a correlation function between a magnetic field applied from a magnet and a value of the magnetic field detected by the magnetic sensor at a first temperature, the value detected by the magnetic sensor when the magnetic field applied from the magnet is 0 is set to be a first offset value. For a correlation function between a magnetic field applied from the magnet and a value of the magnetic field detected by the magnetic sensor at a second temperature, the value detected by the magnetic sensor when the magnetic field applied from the magnet is 0 is set to be a second offset value. The second temperature is higher than the first temperature. A values of applied magnetic fields detected by first and second magnetic sensors are opposite in polarity.

Abstract: It is a purpose of the present invention to provide a wire electrical discharge machining system allowing a wire electrical discharge machining device and a robot to operate in conjunction with each other with high efficiency. A wire electrical discharge machining system 1 includes wire electrical discharge machining devices 7, 11, and 15, and a robot unit 17 that mounts a workpiece on the wire electrical discharge machining device. The wire electrical discharge machining devices 7, 11, and 15 may each perform either rough machining with supported cores or finishing machining after the cores are removed. Subsequently, core processing may be performed by means of a corresponding dedicated apparatus. Also, the core processing may be performed by means of a single common apparatus.

Abstract: The object of the present invention is to provide a simple method for preparing an N-alkoxycarbonyl piperidine derivative. The object can be solved by a method for preparing a hydroxypiperidine derivative, comprising a step of: (A) reacting a piperidylidene acetic acid derivative represented by the formula (1): wherein R1 is an aralkyl group which may have a substituent group, and R2 is an alkyl group, with 4-hydroxypiperidine in the presence of base, to obtain a hydroxypiperidine derivative represented by the formula (2) or the formula (3): wherein R1 is an aralkyl group which may have a substituent group.

Abstract: An automated operation vehicle control unit is configured to perform a detection process in which an abnormal condition of a passenger of a vehicle is detected and a notification process in which pedestrians are notified of the abnormal condition detected in the detection process in a case where the abnormal condition of the passenger is detected in the detection process.

Abstract: A fuel supply device includes a valve body and a filter unit accommodating an air filter and a valve cap are attached to a tubular portion provided on a side surface of an inlet pipe. When a fuel tank has a negative pressure, the valve body opens and the negative pressure is eliminated by clean atmospheric air introduction. A projection portion is provided on the filter unit side of the valve body. Accordingly, attachment of the valve body into the tubular portion and attachment of the tubular portion and the filter unit are reliably performed, the reliability of valve body opening and closing is improved, and attachment workability is improved.

Abstract: A driving-force transmission member includes a coupling portion that includes a driving-force transmission surface and that transmits a driving force to a cartridge coupling, a first helical gear portion that engages with a driven gear of a cartridge to transmit the driving force, and a second helical gear portion that engages with a drive gear to receive the driving force. The portions rotate integrally with each other when the driving-force transmission member rotates about the axis of rotation. The driving-force transmission surface is shaped with a twist in the same direction as the driving-force transmission member. Helical teeth of the first helical gear portion are shaped with a twist in the same direction as the driving-force transmission surface. Helical teeth of the second helical gear portion are shaped with a twist in a direction opposite to the twist direction of the helical teeth of the first helical gear portion.