Abstract: An objective of the present invention is to provide a friction stir welding device with which the temperature in the proximity of a weld part on a member to be welded can be intermittently measured by enabling the temperature of a plurality of sites in a rotary tool (4) used for friction stir welding to be ascertained in real-time when welding. This rotary tool (4) for a friction stir welding device comprises: a hollow channel (26a) that extends from the upper end of a shoulder part (4c) to the proximity of the lower end of a probe (4d), and that is on substantially the same axis as the axis of rotation of the shoulder part (4c); and a hollow, outer periphery channel (26b) that is apart from the axis of rotation of the shoulder part (4c) in the radial direction and in proximity of the outer periphery of the shoulder part (4c), and that extends from the upper end of the shoulder part to the proximity of the lower end thereof.

Abstract: A sealing material reduces heat due to friction produced by contact with a rotating body. The sealing material 1 has cut pile woven fabric 3c having stripes. The sealing material 1 prevents leakage of powder 8 from rotating body or straight body 7b. The woven pile fabric 3b constituting sealing material 1 is woven pattern 3a having stripes which is woven from pile yarn 6 comprising a plurality of filaments 9, woven pattern 3a being cut pile woven fabric 3c having cut pile 4 at which pile 4 is of prescribed length, cut pile woven fabric 3c having steps 7e produced by differences in thickness of cut pile 4 including woven pattern 3e having stripes. The length of cut pile 4 of prescribed length has cut pile length 4d which is greater than the spacing of a pitch between pile supporting yarns 5 that support pile 4.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a medicinal solution tank, to an inside of which at least the permeable membrane is exposed and on the inside of which a disinfection solution is stored, and a heating section configured to heat at least the permeable membrane.

Abstract: A main object of the present invention is to provide a membrane covered type peracetic acid concentration meter that can prevent various common problems, including problems that occur in the event of an internal solution leak into a sample solution. The membrane covered type peracetic acid concentration meter adapted to measure the concentration of peracetic acid in the sample solution includes: a membrane that allows peracetic acid to permeate; and the internal solution that dissolves peracetic acid having permeated the membrane. In addition, as the internal solution, a buffer solution having a buffering action on hydrogen ion concentration is used.

Abstract: An endoscope reprocessor includes a concentration sensor including a concave section in which a sensing section is housed and a permeable membrane configured to cover the concave section, a pressure resistant container in which the concentration sensor is housed, a medicinal-solution lead-in section configured to introduce a medicinal solution into the pressure resistant container, and a pressure adjusting section configured to adjust pressure such that an internal pressure of the concave section is low compared with an internal pressure of the pressure resistant container.

Abstract: In order to avoid an electrode from disturbing a flow of a fluid in a flow channel in case that the electrode of an electric conductivity meter is arranged in the flow channel, the electric conductivity meter comprises two tubular electrodes inside of each of which respectively formed is an inner flow channel where the fluid flows, and an electrode holder that communicates each of the inner flow channels of the two electrodes and that holds the two electrodes. The electrode holder holds the two electrodes by making an engagement with each outer peripheral surface of mutually facing axial direction end parts of the two electrodes.

Abstract: A method for manufacturing a hub unit includes: preparing a hub unit intermediate including an inner shaft, an inner ring fixed to an axial end of the inner shaft, and an outer ring rotatably arranged with respect to the inner shaft and the inner ring; preparing a magnetic seal member including a seal member and an annular magnetic member having no magnetic pole; and arranging the magnetic seal member between the inner ring and the outer ring of the hub unit intermediate. The method further includes: forming splines extending along the axial direction by cutting the inner circumferential surface of the inner shaft of the hub unit intermediate in which the magnetic seal member has been arranged; and forming magnetic poles in a circumferential direction of the magnetic member of the hub unit intermediate in which the plurality of splines have been formed.

Abstract: A sealing rubber composition includes acrylic rubber, artificial graphite, and coupling agent.

Abstract: In order that a temperature of a measurement object whose non-transmission wavelength range is narrow, such as isopropyl alcohol can be measured highly accurately without increasing the size of a radiation thermometer, the radiation thermometer includes an infrared detection element to detect infrared ray emitted from the measurement object. The radiation thermometer is designed to measure the temperature of the measurement object on the basis of intensity of infrared ray detected by the infrared detection element. The radiation thermometer further includes a filter group made up of a plurality of infrared filters arranged on an optical path of infrared ray introduced into the infrared detection element. The filter group permits transmission of at least infrared ray in each of a first wavelength range and a second wavelength range which are not overlapped with each other.

Abstract: A sealing material reduces heat due to friction produced by contact with a rotating body. The sealing material 1 has cut pile woven fabric 3c having stripes. The sealing material 1 prevents leakage of powder 8 from rotating body or straight body 7b. The woven pile fabric 3b constituting sealing material 1 is woven pattern 3a having stripes which is woven from pile yarn 6 comprising a plurality of filaments 9, woven pattern 3a being cut pile woven fabric 3c having cut pile 4 at which pile 4 is of prescribed length, cut pile woven fabric 3c having steps 7e produced by differences in thickness of cut pile 4 including woven pattern 3e having stripes. The length of cut pile 4 of prescribed length has cut pile length 4d which is greater than the spacing of a pitch between pile supporting yarns 5 that support pile 4.

Abstract: A roller which has woven fabric at a surface thereof and which is employed in an apparatus permitting achievement of conservation of resources, conservation of energy. Roller 1 provided with covering 3 includes woven fabric at its surface is idler means or drive means for conveying, supply, of an object, means for air cooling or drying a moving object, rotating means making use of suction of an object, or is for cleaning a contact surface to which roller 1 is opposed, and has at the surface woven fabric 2 with variation or combination of weave pattern(s). The woven fabric 2 includes weaving in a linear pattern of bands or different patterns. It also has open holes including lattice-like gaps 8 or a rectangular pattern 6 for control of air permeability formed from weft yarn 25 and warp yarn 26.

Abstract: To measure target component concentration in a liquid with higher accuracy without any dedicated apparatus or skill, a method is adapted to include: receiving a successive measurement value obtained by performing successive measurement of the target component concentration with use of a first measurement device immersed in the liquid; receiving a batch measurement value obtained by, with use of a second measurement device, performing batch measurement of the target component concentration in a part sampled from the liquid; and, when the batch measurement value is received, successively calculating a correlation value indicating the correlation between multiple successive measurement values and multiple batch measurement values respectively obtained in mutually corresponding multiple times of successive measurement and multiple times of batch measurement.

Abstract: A roller has knit fabric at its surface and which is employed in an apparatus permitting achievement of conservation of resources, conservation of energy, and low cost, and an apparatus employing such a roller. Roller 1 covered with covering 3 including knit fabric at its surface causes conveyance, supply, or other such movement of an object, or uses an to dry or cool an object as it is moved, or rotates while causing an object to be subjected to suction. Knit fabric 3a covering the roller surface has gaps having air permeability and steps 6 comprising stripes in a pattern of bands at the front and back surfaces; the stripes in the pattern of bands are perpendicular to the direction of rotation at the surface of the rotating support body 2. Loops making up knit fabric 3a have domains of small loops 4c and large loops 4b.

Abstract: A sealing device includes an annular seal portion formed of an elastic material. On an inner peripheral surface of the seal portion, a main lip is formed so as to be in slidable contact with an outer peripheral surface of a rotary shaft, and a vacuum space side inclined surface is formed so as to gradually enlarge in diameter from the main lip toward a vacuum space side. On the vacuum space side inclined surface, a plurality of annular projections are formed along an axial direction so as to be in slidable contact with the outer peripheral surface of the rotary shaft in a state where the main lip is in slidable contact with the outer peripheral surface of the rotary shaft.

Abstract: A sealing device which allows the man-hour for mounting the sealing device to be reduced is provided. A sealing device includes: a slinger fitted and fixed to an end portion of an inner shaft; a core metal fitted and fixed to an end portion of an outer ring; an inner seal lip fixed to the core metal and in slidable contact with the slinger; an outer seal lip fixed to the core metal radially outward of the inner seal lip and in slidable contact with a side surface of a flange portion; and a labyrinth lip fixed to the core metal radially outward of the outer seal lip and forming a labyrinth seal together with the side surface of the flange portion.

Abstract: A lighting device suitably adaptable to those that can adjust an irradiation angle stably. A lighting device includes a lighting device housing, a support housing supported by the lighting device housing so as to be freely rotatable about a first rotation axis, and a lighting unit supported by the support housing so as to be freely rotatable about a second rotation axis. The support housing is suspended from the lighting device housing, and is provided with a ring member protruding radially outward at its outer periphery. The lighting device housing is provided with a circular receiving part for supporting the ring member on the support housing side when the suspension is released.

Abstract: Linear motion mechanism sealants capable of operating at low torque when engaging in linear motion which are capable of carrying out sealing with respect to fine particulate several ?m in diameter, and which are side seal units for sealing gaps at a shaft provided at a front end portion and a back end portion of a slider of a linear motion mechanism equipped with said shaft and said slider which carries out reciprocating linear motion on said shaft, the linear motion mechanism side seal units 4 being characterized in that fibrous surfaces of seal members comprising fibrous material are arranged so as to be directed toward said shaft in such fashion as to abut and conform to the cross-sectional shape of said shaft at the front end portion and the back end portion of the slider.

Abstract: A sea state estimation device includes a time history memory which stores a time history of ship motion data relating to a rolling angle, a pitching angle and a heaving displacement; a hull condition data calculator which calculates current hull condition data of the hull based on the time history of the ship motion data stored in the time history memory; a cross spectra calculator which calculates cross spectra of respective ship motions; a hull response function calculator which calculates a hull response function based on the hull condition data calculated by the hull condition data calculator; and a sea state estimator which estimates a sea state in sea on which the hull is running based on the cross spectra of the respective ship motions calculated by the cross spectra calculator and the hull response function calculated by the hull response function calculator.

Abstract: In order to improve the endurance of this internal solution for a reference electrode beyond that in the prior art, the solution is made to contain a copolymerized material of a crosslinker having a plurality of non-acrylamide functional groups, and a non-acrylamide monofunctional hydrophilic monomer.

Abstract: The present invention is one that makes it possible to continuously measure the resistivity of a liquid sample with accuracy as well as preventing the deterioration of the liquid sample associated with measurement, such as change in quality, and relates to a resistivity-measuring circuit C that measures the resistivity in order to sense the deterioration of the liquid sample. The resistivity-measuring circuit C is one that calculates the resistivity of the liquid sample by detecting voltage generated between an outer electrode and an inner electrode, and between the outer electrode and the inner electrode, applies square wave AC voltage having an amplitude of 1 V to 42 V and a frequency of 0.5 Hz to 30 Hz.