Abstract: A cubic boron nitride sintered material comprising cubic boron nitride grains, a binder phase, and a void, in which a percentage of the cubic boron nitride grains based on the total of the cubic boron nitride grains and the binder phase is 40 vol % to 70 vol %, a percentage of the binder phase based on the total of the cubic boron nitride grains and the binder phase is 30 vol % to 60 vol %, the binder phase includes 10 vol % to 100 vol % of aluminum oxide grains, an average grain size of the aluminum oxide grains is 50 to 250 nm, the cubic boron nitride sintered material comprises 0.001 vol % to 0.100 vol % of one or more first voids, and at least one portion of each of the first voids is in contact with the aluminum oxide grains.

Abstract: An object of the present invention is to provide a shoe including an upper that is easily conformed to a shape of a last when it is shaped. The shoe includes an upper made of a fiber sheet that includes: a first layer made of knitted fabric or woven fabric that includes yarns having a heat shrinkability and has inner gaps; and a second layer layered on the first layer and made of nonwoven fabric, knitted fabric or woven fabric, and being integrated with the first layer by needle punching.

Abstract: A tank includes: a tank body defining a storage chamber; a recessed portion provided at the tank body; a slider positioned in the recessed portion; a fitting portion provided at the slider; and a sealing member. The recessed portion has an injection opening in communication with the storage chamber, and a connection opening through which a liquid container is connectable. The slider includes a nozzle extending toward the connection opening in an extending direction and having a communication opening communicable with the injection opening. The slider is movable toward and away from the connection opening in the extending direction while rotating relative to the recessed portion. The fitting portion can be fitted with the liquid container. The sealing member can provide a liquid tight sealing to a gap between the slider and the recessed portion, and allow liquid flow between the communication opening and the injection opening.

Abstract: An upper includes an upper body covering the instep of a foot. An upper body includes a first layer, a second layer disposed with a gap from the first layer, and a third layer connecting the first layer and the second layer. A part of the upper body is disposed with a low stiffness region having lower stiffness than an adjacent region. At least a part of the low stiffness region has a point in which the third layer is not disposed. A plurality of holes is disposed in at least a part of a portion of the first layer and the second layer of the low stiffness region corresponding to the point in which the third layer is not disposed.

Abstract: An emotion estimating device, an emotion estimating system, and an emotion estimating method capable of estimating an emotion of a subject based on information obtained from daily activities can be provided. An emotion estimating device includes an interface that receives input of walking data of a subject measured by a measurement device and emotion data obtained by quantifying the emotion of the subject, a storage that stores the walking data and the emotion data, and an computer that obtains corresponding data in which a plurality of walking parameters included in the walking data stored in the storage are associated with the emotion data. When the interface newly receives the input of the walking data, the computer estimates the emotion of the subject from the plurality of walking parameters included in the newly received walking data, and outputs information indicating the estimated emotion of the subject.

Abstract: In a mental/physical state evaluation system, a motion information acquirer acquires information indicating a motion state of a subject who repeatedly performs a predetermined body motion. A reproducibility evaluator determines a reproducibility evaluation value on the basis of an analysis result regarding the reproducibility of the predetermined body motion. A mental information acquirer acquires information indicating the mental state of the subject. A mental evaluator determines a mental evaluation value on the basis of an analysis result regarding the mental state of the subject. An evaluation value storage stores the reproducibility evaluation value and the mental evaluation value in association with each other. A result outputter outputs information indicating the relevance between the mental evaluation value and the quality of the reproducibility evaluation value.

Abstract: There is provided a user-dedicated last that can be easily manufactured without using large-scale equipment. A last for forming a footwear upper configuring an article of footwear comprises a foot length forming member defining a shape of the last at least in the lengthwise direction of the article of footwear, and a plurality of foot width forming members defining a shape of the last at least in the widthwise direction of the article of footwear and assembled to the foot length forming member.

Abstract: A shoe includes a sole provided with a ground contact surface, an upper provided with an opening into which a foot of a wearer is inserted, the upper being attached to the sole and covering the foot of the wearer, and a correction member including an inner arm fixed to a medial foot side of the opening of the upper, an outer arm fixed to a lateral foot side of the opening of the upper, and a connection portion connecting the inner arm and the outer arm, the correction member being attached to the upper away from the sole in such a manner that the connection portion is disposed on a rear side of the opening.

Abstract: A sockliner includes: a base layer portion formed of a three-dimensional mesh structure body; and an upper layer portion formed of a sheet-like structure body that covers an upper surface of the base layer portion. The upper layer portion includes a through-hole group including a plurality of holes, and each of the holes is located inward from a peripheral edge of the upper layer portion without reaching the peripheral edge. In a case where a surrounding region is defined as a region between the peripheral edge and a position offset by 4.0 mm inward from the peripheral edge, the through-hole group includes an outermost hole group including a plurality of holes located closest to the peripheral edge so as to overlap with the surrounding region and to align along the peripheral edge.

Abstract: A sole structure of a shoe includes a rearfoot-side concave-shaped portion including a vertex region in a bottom surface of the sole in a rearfoot region. The vertex region is positioned at a highest position within the bottom surface of the sole in the rearfoot region and configured to be positioned at a position corresponding to a center of a heel of a wearer such that center of pressure of the wearer overlaps with the center of the heel.

Abstract: [Solving Means] A method of producing a magnetic powder includes: coating a surface of each of silica-coated precursor particles with at least one type of coating agent of a metal chloride or a sulfate; and firing the precursor particles coated with the coating agent.

Abstract: A fastening structure of the present upper includes: an upper that defines a left eyelet row and a right eyelet row arranged along a longitudinal direction of a shoe; and a shoelace inserted through eyelets of the left and right eyelet rows, wherein: the left and right eyelet rows each at least include a first eyelet on a tip side, and a second eyelet, a third eyelet and a fourth eyelet that are arranged in this order from the first eyelet toward a posterior side; D1 is defined as a first average interval between eyelets; D2 is defined as a second average interval; D3 is defined as a third average interval; and Expressions (1) and (10) below are satisfied: D1>D2<D3??(1) 1.0*(D1+D2)>D1>0.6*(D1+D2)??(10).

Abstract: A last is provided for shaping a shoe upper, such as a custom-made last tailored to a user's foot. Embodiments include a last for shaping a shoe upper including at least an outer peripheral portion comprising an aggregate of a plurality of blocks, the plurality of blocks being joinable together to form a portion of the last and shape the shoe upper, and separable from each other after being joined together. The plurality of blocks includes a first plurality of blocks which are identical to each other. Embodiments also include a method for producing a last for shaping a shoe upper, the method including forming the last by joining a plurality of blocks together to form an aggregate, the plurality of blocks including a first plurality of blocks which are identical to each other.

Abstract: There is provided a user-dedicated last that can be easily manufactured without using large-scale equipment. A last for forming a footwear upper configuring an article of footwear comprises a foot length forming member defining a shape of the last at least in the lengthwise direction of the article of footwear, and a plurality of foot width forming members defining a shape of the last at least in the widthwise direction of the article of footwear and assembled to the foot length forming member.

Abstract: A last matching a user's foot can be provided through a simple configuration. A last for forming a footwear upper configuring an article of footwear comprises: a common portion invariable in shape and position, a movable portion invariable in shape and positionally variable with respect to the common portion, and a position adjustment mechanism that changes a position of the movable portion with respect to the common portion and fixes the movable portion in a predetermined position.

Abstract: There is provided a user-dedicated last that can be easily manufactured without using large-scale equipment. A last for forming a footwear upper configuring an article of footwear comprises a foot length forming member defining a shape of the last at least in the lengthwise direction of the article of footwear, and a plurality of foot width forming members defining a shape of the last at least in the widthwise direction of the article of footwear and assembled to the foot length forming member.

Abstract: A method of producing a magnetic powder includes: performing heat treatment on first particles that contain triiron tetraoxide to prepare second particles that contain ?-iron oxide.

Abstract: An upper is used for a shoe. The upper includes a main body portion located on an upper side of the shoe and a bottom surface portion connected to the main body portion at at least a part of an outer periphery of the main body portion. The main body portion is seamless and in a shape having an inner periphery on an inner side of the outer periphery. The shoe includes the upper that includes the main body portion that is seamless and is in the shape having the inner periphery on the inner side of the outer periphery and a sole provided on a bottom surface portion side of the upper.

Abstract: A sensor system (1, 1S) including a current DA converter (42) outputting a control current (Ip) of a sensor element (3S), a control unit (4C) generating a control current instruction value (Ipcmd) corresponding to magnitude of the control current and inputting this instruction value to the current DAC, an instruction value sequence generating unit (47) generating, instead of the control current instruction value, an inspection instruction value sequence (RChcmd) in which predetermined inspection current instruction values (Chcmd) inputted to the current DAC are arranged in order and by which failure of the current DAC can be detected, an inspection current detection unit (71) detecting an inspection current value (Ichv) of an inspection current (Ich) outputted from the current DAC, and a failure detection unit (8) detecting failure of the current DAC from an inspection current value sequence (RIchv) in which the inspection current values are arranged in order of detection.

Abstract: A method of manufacturing a shoe includes preparing a flexible shell having an internal space, preparing an upper body in a form of a bag, the upper body being provided with an opening in a portion corresponding to a topline, preparing a sole body, accommodating the upper in the shell, partially fixing the shell and the upper body, and forming the upper body with a last being located in the upper body accommodated in the shell, taking the last out of the formed upper body, and inserting the sole body in the shell.