Abstract: A work machine includes a power source, a rotation shaft that is rotated by power of the power source, a cutter blade that is rotated by the rotation shaft to cut a plant on the ground, and a housing that houses the cutter blade and has an opening through which the cutter blade is exposed to the ground. The housing has a charging port through which an object to be cut is charged to the cutter blade.

Abstract: A mower (1) comprising: a blade (9) that mows grass; a power generation unit (5) that generates a driving force for rotating the blade (9); a housing (7) that covers the blade (9); and a milling unit (10) that subdivides grass mowed by the blade and discharged from the housing (7).

Abstract: Provided is a nonwoven fabric structure containing an odd-shaped fiber. The odd-shaped fiber has bubbles inside and has a cross-sectional shape that is an irregular, non-circular cross-section. Further, it is preferable that the cross-sectional shape of the odd-shaped fiber changes in the fiber length direction, the odd-shaped fiber has a crystallinity of 40% or less, and the odd-shaped fiber is made of at least two kinds of thermoplastic resins. It is also preferable that that the nonwoven fabric structure contains a heat fusible fiber, the odd-shaped fiber is present in the form of a net-like fiber sheet, and the odd-shaped fiber is in the form of short fibers. In addition, a method for producing such a nonwoven fabric structure is a method in which a thermoplastic resin containing a foaming agent is extruded through a slit die to give an odd-shaped fiber having bubbles inside, followed by three-dimensional shaping.

Abstract: A slip ring for use in a slip ring brush type rotation sensor device, includes a metal ring having an approximately cylindrical shape, and a resin ring that supports the metal ring. Slits extending in an axial direction are formed in respective side surfaces on outer peripheries of the metal and resin rings. The metal ring includes a common part formed on a side surface at one end along the axial direction of the approximately cylindrical shape and segmented by the slits into segments to form common regions, so that adjacent common regions are electrically connectable to each other, and a detection part formed on a side surface at the other end and segmented by the slits into segments to form conducting regions and isolated regions that are alternately provided with the slit interposed between adjacent conducting and isolated regions.

Abstract: A slip ring for use in a slip ring brush type rotation sensor device, includes a metal ring having an approximately cylindrical shape, and a resin ring that supports the metal ring. Slits extending in an axial direction are formed in respective side surfaces on outer peripheries of the metal and resin rings. The metal ring includes a common part formed on a side surface at one end along the axial direction of the approximately cylindrical shape and segmented by the slits into segments to form common regions, so that adjacent common regions are electrically connectable to each other, and a detection part formed on a side surface at the other end and segmented by the slits into segments to form conducting regions and isolated regions that are alternately provided with the slit interposed between adjacent conducting and isolated regions.

Abstract: Provided is a nonwoven fabric structure containing an odd-shaped fiber. The odd-shaped fiber has bubbles inside and has a cross-sectional shape that is an irregular, non-circular cross-section. Further, it is preferable that the cross-sectional shape of the odd-shaped fiber changes in the fiber length direction, the odd-shaped fiber has a crystallinity of 40% or less, and the odd-shaped fiber is made of at least two kinds of thermoplastic resins. It is also preferable that that the nonwoven fabric structure contains a heat fusible fiber, the odd-shaped fiber is present in the form of a net-like fiber sheet, and the odd-shaped fiber is in the form of short fibers. In addition, a method for producing such a nonwoven fabric structure is a method in which a thermoplastic resin containing a foaming agent is extruded through a slit die to give an odd-shaped fiber having bubbles inside, followed by three-dimensional shaping.

Abstract: Provided is a heat exchanger in which heat exchange between a low-temperature cooling medium and brine and heat exchange between brine and hydrogen gas can be efficiently performed and downsizing of cooling facilities or reduction in facility cost can be attained. The heat exchanger comprises: a vacuum insulated container 12 which is filled with brine, a lid 13 closing an upper portion opening of the container, a rotation axis 14 arranged in the axis direction of the container, a propeller 15 provided on the rotation axis, a helical hydrogen gas cooling tube 16, 17 provided in a vertically two-stage structure around the rotation axis and the propeller, and a cooling medium tube 18 for cooling brine which is arranged around the hydrogen gas cooling tubes.

Abstract: A mobile station that includes a mobile station controller which performs a process of responding to a call signal and a wireless base station that includes a base station controller which performs a determination of a priority of the call signal to be transmitted to the mobile station and a baseband unit that transmits a first call signal having a first priority to the mobile station and that stores a second call signal having a second priority in a queue and performs a transmission process wherein when the second call signal has been discarded, the baseband unit notifies the mobile station of information representing that the second call signal has been discarded and the mobile station controller executes, when deciding the second call signal has been discarded, a processing of an inquiry response to the wireless base station.

Abstract: A disclosed image scanning device includes a scanning unit configured to scan a document, and a white standard plate facing the scanning unit and configured to provide a white standard at the time of scanning the original. The white standard plate includes a guide plate having a plate-like shape fabricated by performing press work, where the guide plate faces the scanning unit; and a reinforcing member having a U-shape with bent ends fabricated by performing press work, where the bent ends are welded onto a back side of the guide plate.

Abstract: An oxygen concentrating device easy to assemble and able to reduce production costs. The oxygen concentrating device (101) comprises a plurality of components including an adsorbing column (102) storing adsorbent capable of selectively adsorbing nitrogen contained in material air, a storing tank (103) for temporarily storing concentrated oxygen gas generated in the adsorbing column (102), a gas transferring means (104) for transferring material air, concentrated oxygen gas or exhaust gas, a solenoid valve (106) for opening/closing or switching a gas flow path connected to the adsorbing column (102), and a control means (108) for controlling the gas transferring means and/or the solenoid valve, resin supports (109) for positioning and supporting the plurality of components at predetermined locations, and a plurality of resin covers (110) covering the outer sides of the supports (109), the supports (109) being formed by injection molding.

Abstract: A high moisture absorbent nonwoven fabric structure comprising a moisture absorbing layer mainly consisting of high moisture absorbent fibers, and surface sheets sandwiching the moisture absorbing layer to constitute a three-layer structure. The high moisture absorbent fibers gel on the surfaces thereof by absorbing water and/or moisture to develop a self-bonding force. The high moisture absorbent nonwoven fabric has an absorptivity, after five hours at 20° C. and relative humidity of 65%, of at least 20 wt. %, at least one of the surface sheets has breathability, and the self-bonding force of high moisture absorbent fibers ensures bonding between fibers in the moisture absorbing layer and between the moisture absorbing layer and the surface sheets.

Abstract: A disclosed image scanning device includes a scanning unit configured to scan a document, and a white standard plate facing the scanning unit and configured to provide a white standard at the time of scanning the original. The white standard plate includes a guide plate having a plate-like shape fabricated by performing press work, where the guide plate faces the scanning unit; and a reinforcing member having a U-shape with bent ends fabricated by performing press work, where the bent ends are welded onto a back side of the guide plate.

Abstract: A high moisture absorbent nonwoven fabric structure comprising a moisture absorbing layer mainly consisting of high moisture absorbent fibers, and surface sheets sandwiching the moisture absorbing layer to constitute a three-layer structure. The high moisture absorbent fibers gel on the surfaces thereof by absorbing water and/or moisture to develop a self-bonding force. The high moisture absorbent nonwoven fabric has an absorptivity, after five hours at 20° C. and relative humidity of 65%, of at least 20 wt. %, at least one of the surface sheets has breathability, and the self-bonding force of high moisture absorbent fibers ensures bonding between fibers in the moisture absorbing layer and between the moisture absorbing layer and the surface sheets.

Abstract: A machine tool comprises: a workpiece spindle (12) having an electromagnetic chuck (18) provided on an upper end thereof for clamping a workpiece (W), and extending along the Z-axis; a tool magazine which accommodates a tool (T) and a centering jig (20); an automatic tool changer (17) for exchanging the tool (T) between the tool magazine and a tool spindle; and a run-out measuring device (19) for measuring a run-out of the workpiece (W) placed on the electromagnetic chuck (18); wherein a workpiece correction distance is calculated on the basis of the run-out of the workpiece (W) measured by the run-out measuring device (19) before the workpiece (W) is clamped by the electromagnetic chuck (18), and a workpiece centering operation is automatically performed by the centering jig (20) attached to the tool spindle until the run-out of the workpiece (W) falls within an allowable range.

Abstract: This invention concerns a non-woven fabric obtained by interweaving fibers, and relates to non-woven fabrics in which the constituent fibers have three dimensional randomicity in view of the directionality, a production method and a production apparatus therefor, and a non-woven fabric suitable to cushion materials, filters and non-woven fabric structures using the same.

Abstract: A high moisture absorbent nonwoven fabric structure comprising a moisture absorbing layer mainly consisting of high moisture absorbent fibers, and surface sheets sandwiching the moisture absorbing layer to constitute a three-layer structure. The high moisture absorbent fibers gel on the surfaces thereof by absorbing water and/or moisture to develop a self-bonding force. The high moisture absorbent nonwoven fabric has an absorptivity, after five hours at 20° C. and relative humidity of 65%, of at least 20 wt. %, at least one of the surface sheets has breathability, and the self-bonding force of high moisture absorbent fibers ensures bonding between fibers in the moisture absorbing layer and between the moisture absorbing layer and the surface sheets.

Abstract: A machine tool comprises: a workpiece spindle (12) having an electromagnetic chuck (18) provided on an upper end thereof for clamping a workpiece (W), and extending along the Z-axis; a tool magazine which accommodates a tool (T) and a centering jig (20); an automatic tool changer (17) for exchanging the tool (T) between the tool magazine and a tool spindle; and a run-out measuring device (19) for measuring a run-out of the workpiece (W) placed on the electromagnetic chuck (18); wherein a workpiece correction distance is calculated on the basis of the run-out of the workpiece (W) measured by the run-out measuring device (19) before the workpiece (W) is clamped by the electromagnetic chuck (18), and a workpiece centering operation is automatically performed by the centering jig (20) attached to the tool spindle until the run-out of the workpiece (W) falls within an allowable range.

Abstract: A treatment agent for elastic polyurethane fibers comprising a dispersion in which a higher fatty acid magnesium salt is colloidally dispersed in a silicone mixture consisting of a silicone oil with a viscosity of 5×10−6−50×10−6 m2/S at 25° C. as a dispersion medium and a dispersant mainly comprising a modified silicone at a ratio by weight of the dispersion medium/the dispersant=100/0.5-100/4.5, wherein the amount of the higher fatty acid magnesium salt is 1 to 10 parts by weight per 100 parts by weight of the silicone oil.

Abstract: The present invention provides a parts-shipping administration system for improving efficiency in shipping operations. The system comprises a computer for searching a parts-order database based on shipping destinations to prepare respective shipping instructions for each of the shipping destinations in order to ship the parts, a hand-held terminal device comprising a display screen for displaying the shipping instructions and a barcode reader connected to the hand-held terminal device. The system further comprises a printer for printing, based on one of the shipping instructions, a barcode representing a serial number or another unique number on each of labels to be attached to a plurality of cartons which are used for packing the parts and a crate for containing those cartons.

Abstract: A thermal insulating material is formed by stacking two or more card webs, and each card web includes a matrix fiber, a heat-melting fiber, and a thin film formed by the heat-melting fiber being fused on a surface of the card web. Each card web has the heat-melting fiber within the card web fused together, and the card webs are integrated by fusing of the heat-melting fibers between the card webs. The thermal insulating material is used such that the direction in which the card webs are stacked runs parallel to the direction in which thermal insulation is effected.