Abstract: This invention has one object is to provide radiation tomography apparatus that allows production with low price through suppression in number of radiation detectors to be mounted. One of the detector rings in this invention is a first detector ring having a sufficient internal diameter to introduce shoulders of the subject M, and the other is a second detector ring having a smaller internal diameter than the first detector ring. In so doing, the radiation detectors forming the detector ring may be suppressed in number, which may provide radiation tomography apparatus of low price. Moreover, a smaller diameter of the detector ring may result in improved spatial resolution and detection sensitivity of radiation.

Abstract: One purpose of this invention is to provide radiation tomography apparatus with easier maintenance. A specific approach for this purpose is as follows. That is, a detector ring in the radiation tomography apparatus includes two or more rings. Moreover, a ring moves as to approach a next ring, whereby both the rings are connected. If radiation tomography is conducted while a clearance is provided between the rings, detection sensitivity of the detector ring decreases due to the clearance. On the other hand, according to this invention, the ring moves as to approach the next ring, which results in a narrower clearance. Accordingly, radiation that is not observed may be reduced as much as possible.

Abstract: Provided is a medical image diagnosis apparatus which requires a small area for installation, has a short length in an axial direction of the apparatus, can reduce a problem of the strength of a top plate, and can simultaneously carry out dynamic PET-imaging of the entire body. A top plate (61) on which an examinee lies is moved through a tunnel of a CT gantry (2) and a PET gantry (3) to execute CT imaging and PET imaging. A PET unit consisting of a plurality (e.g. seven) of PET units (32) has a length of 2 m in the axis direction, the visual field thereof covers the whole body and the whole body can be simultaneously subjected to dynamic PET-imaging. For the maintenance of the PET gantry (3), the diagnosis apparatus is separated at an arbitrary PET unit (32) to be maintained, the apparatus slides on a rail (31) in the axis direction and is separated for maintenance operation. Accordingly, a large space for maintenance is not required and the area for installation is small.

Abstract: This invention has one object to provide a method of collecting calibration data in radiation tomography apparatus that allows reliable collection of calibration data with a wide detector ring. In order to achieve this purpose, in the method of collecting calibration data in radiation tomography apparatus according to this invention, the number of coincidence events is obtained while the phantom that emits annihilation gamma-ray pairs moves as to pass through an inner hole of the detector ring. Such configuration dose not need the phantom having a width equal or larger than the detector ring, and may realize reliable collection of calibration data. Moreover, it may be considered that annihilation gamma-ray pairs have been emitted in uniform property without depending on positions of the detector ring. As a result, calibration data that is more suitable for removal of a image artifact may be obtained.

Abstract: This invention has one object to provide radiation tomography apparatus that allows suppression of arithmetic load of detection data with a wider detector ring. In order to achieve this purpose, the radiation tomography apparatus according to this invention performs coincidence only when two scintillation counter crystals that detect gamma rays coincidentally (A) belong to the same ring unit, or (B) belong to each of the ring units adjacent to each other. Accordingly, a distance in the central axis direction between the radiation detecting elements is limited to be equal to or less than a thickness of the ring unit in the central axis direction. Accordingly, radiation tomography apparatus may be provided that allows generation of the sectional image suitable for diagnosis while arithmetic load is suppressed.

Abstract: A method of manufacturing a single mode optical fiber formed of a silica-based glass and including a glass part having a central core and a cladding region. The method including heating an optical fiber preform in a heating furnace including a first heater to melt the optical fiber preform, and fiber drawing an optical fiber from the molten optical fiber preform. The method further comprises continuously cooling the drawn optical fiber starting with a meniscus portion in which diameter is decreased from 90% of the preform diameter to 5% of the preform diameter to a portion where the drawn optical fiber has a temperature of 1,200° C. at a cooling rate of 1,000 to 3,000° C. /sec.

Abstract: To easily prevent flapping of a cover attached to a vehicle such as a motor cycle. A storage box is provided on a lateral side of a vehicle frame. The storage box includes a storage box main body having an opening facing an outside of a vehicle, and a lid member which is openable and closable to cover the opening. A side cover which covers a lateral side of the vehicle is provided in front of the storage box. A rear edge portion of the side cover extends to an outside edge portion of the storage box main body, and is fixed to the outside edge portion.

Abstract: A technique of computing a realistic cross-section layout of a wire bundle which corresponds to the initial arrangement of wires. Geometrical data are obtained by a geometrical data obtaining means (11a), and the layout data corresponding to the geometrical data is obtained by layout data obtaining means (11b). Boundary data is calculated based on the layout data by boundary data calculation means (11c), and bundling shape data corresponding to the boundary data and showing the shape of the cross-section layout of the wire bundle is obtained by a bundling shape data obtaining means (11d).

Abstract: In a vehicle whose tire is wholly covered from the left, right and back, a negative pressure area to the rear of the vehicle is reduced. In a vehicle including a left trunk and a right trunk in a rear portion of the vehicle, a rear fender continuous with respective rear faces of the left and right trunks is provided, and a plane formed of the respective rear faces of the left and right trunks and the rear fender is provided with negative pressure correction holes.

Abstract: A cutting tool is described comprising a cutting insert with an upper surface, a lower surface, a side surface, and a cutting blade formed at the intersection of the upper surface and the side surface, and a holder comprising an insert pocket to which the cutting insert is attached. The cutting insert is attached to the holder in such a manner that the cutting blade projects outward from the front end surface and the outer peripheral surface of the holder. The holder comprises in the outer peripheral surface on a rear end side with respect to the cutting blade a concave curve-shaped first wall surface portion that extends from the vicinity of the insert pocket toward the rear end side. The lower end of the front-end-side edge of the first wall surface portion is disposed at a lower position than the cutting blade.

Abstract: A recessed portion recessed downwardly is provided on an upper face of a fuel tank supported in a crossing manner on a main frame extending rearwardly from a head pipe, and a tank pocket is accommodated in the recessed portion. The tank pocket includes a body case open upwardly, and a lid for opening and closing the opening of the body case. A popup lever provided at a front portion of the lid is popped up by a popup mechanism when the popup lever is pushed downwardly by a predetermined amount. Front portions of the lid and the body case are engaged with each other by an engaging projection and a latch, and the engagement is maintained even if the popup lever is popped up. In order to open the lid, two-stage operations are required without fail. Inadvertent opening of the lid can be blocked.

Abstract: A seat height adjustment apparatus includes a stepped portion provided on a bottom plate of a seat and formed in a stepped configuration, an adjust member removably attached to the stepped portion and having a lower face placed on a seat rail for adjusting the height between the seat rail and the seat, and vehicle body side fixing members provided on the seat rail for abutting with an abutting portion to fix the adjust member. Upon seat height adjustment, adjustment of the seat height can be carried out simply only by replacing the adjust member to an arbitrary stage of the stepped portion. Further, since the seat height adjustment apparatus is formed from the three parts of the stepped portion, adjust member and vehicle body side fixing member, the number of parts is reduced.

Abstract: A saddle-type vehicle is provided with an impact member for deflecting a front wheel sideways in the event of a collision. The saddle-type vehicle includes a body frame having a head pipe for rotatably supporting a steering shaft for the front wheel, main frames extending rearwards from the head pipe, and an engine operatively mounted to the main frames. The impact member is disposed in front of a lower portion of the engine. The impact member includes a support part, which extends forwardly from the engine, and a load-receiving deflector plate mounted to the support part and which is inclined away from a vehicle width direction.

Abstract: A lock device capable of locking, in a closed state, a lid member for each of side trunks provided on both sides of the vehicle body rear portion of a motorcycle. The lock device includes a plurality of catch mechanisms with catches that are swingably supported by a trunk main portion via a plurality of associated pivots, respectively. The lock device so configured expands the possibility of the layout of a plurality of catch mechanisms.

Abstract: A cutting insert comprising a rake face region located on an upper surface, a flank located on a front surface, and a cutting edge located at an intersection between the rake face region and the flank. At least three types of projections having different distances from the cutting edge are located on the rake face region. When these three types of projections are arranged in the order of their increasing distance from the cutting edge, namely, a first projection, a second projection and a third projection, the top of the second projection is located lower than an imaginary straight line connecting the top of the first projection and the top of the third projection in the side view.

Abstract: A cutting insert comprising a cutting edge; a rake face region formed continuously with the cutting edge; and a clamp face region located more inward and higher than the rake face region. The cutting insert comprising, on the rake face region, a first rake face formed continuously with the cutting edge; a second rake face formed in an inclined surface shape from the first rake face toward the clamp face region; a projection formed so that at least a part of the projection is located on the first rake face, and comprising a top portion disposed at a position corresponding to a middle region of the cutting edge when viewed from above; and a concave part or a convex part formed so that at least a part thereof is located on the second rake face, and located more inward than the projection when viewed from above.

Abstract: A storage box structure includes a pair of left and right seat cowls for covering sides of a vehicle body frame under a seat. Storage boxes are formed by the seat cowls so as to protrude outwardly in the direction of the vehicle width and provided with openable and closable lids on the outsides of a vehicle. The storage boxes include a projection projecting toward the center of the vehicle body. The projection includes an opening which is in communication with the interior of the storage box and is fitted at least to the projection of the other storage box. The opening brings the interiors of the left and right storage boxes into communication with each other. The storage box structure so configured achieves a reduction of the number of components, improvement of rigidity, and improvement of mounting accuracy.

Abstract: A calculating apparatus includes a finite element model creating unit that creates a finite element model of the wire structure, a setting unit that sets physical properties, restriction conditions and loads of the wire structure to the finite element model, a predictive shape calculating unit that calculates a predictive shape of the finite element model in a physically balanced condition, an outputting unit that outputs the predictive shape of the finite element model, a load calculating unit that calculates the loads which are applied to the respective joints of the finite element model, a displacing unit that displaces a predetermined control point on the finite element model. The predictive shape calculating unit calculates the predictive shape of the finite element model in which the control point is displaced, based on the loads applied to the finite element model prior to the displacement of the control point.

Abstract: A PET gantry and a CT gantry are placed in parallel such that the CT gantry becomes remoter to a common examination couch having a movable couch table top board mounted with a subject person and the CT gantry is made to be movable. The gantries are controlled by a control portion in a console. At first, the CT gantry is moved in a left direction to separate from the PET gantry so that whole body CT scan is carried out for the subject person in a direction from the leg portion to the head portion. Successively, the subject person is passed through a tunnel portion from the leg portion to the head portion by moving the couch table top board in a right direction in a state of considerably separating the CT gantry from the PET gantry to thereby carry out whole body PET scan.

Abstract: A suspended ornament having an ornament main body composed of an obverse natural-wood sheet body, a base fabric for adhesion, and a reverse natural-wood sheet body layered in this order and adhered to be united. The ornament main body is divided into plural fine long strips. Each of the fine long strips has plural fiber-cutting lines. All of the fine long strips are connected by knitting connection linear bodies as to be disposed in order before the division. Width dimension of the fine long strip is set to be 3 to 25 mm. Each of the fine long strips has plural fiber-cutting lines parallel to each other. Interval dimension between neighboring fiber-cutting lines is set to be 0.5 to 1.5 mm.