摘要:
A laser welding device for welding a long sized tubular grounding unit includes a work head arranged to rotate around an outer circumference of two tubular members to be welded, a laser oscillator, and apparatus to transmit the laser beam from the oscillator in sychronism with rotation of the work head. In one embodiment the apparatus to transmit the laser beam includes an optical fiber.
摘要:
A welded metal container for a sheath 1 or 1A of gas insulated switch gear comprises a trunk pipe 2, 21 and a branch pipes 3, 31, 32 welded to the trunk pipe 2,21 by arc welding A or laser beam welding LB and flanges welded to the each end portion of the trunk pipe 2, 21 and branch pipes 3, 31, 32 by the laser beam welding. After the arc welding A, the ends of trunk pipe 1, 21 and branch pipes 3, 31, 32 are machined precisely and flanges 4a, 4b, 4c, 4d, 4f and 4g are welded to the end portions of the trunk pipe 2, 21 and branch pipes 3, 31, 32.
摘要:
A method for manufacturing a welded metal container by first arc welding a branch pipe to a trunk pipe. The arc welding of the pipes together causes both of the pipes to be thermally deformed. The end surfaces of the pipes are then cut by a laser cutting or mechanical cutting process so that the ends of the trunk pipe are in parallel and perpendicular to the end of the branch pipe. Subsequently flanges are laser welded to the ends of the pipes without further thermally deforming the pipes. The metal container made by this process can be used as a sheath for a gas insulated switch gear.
摘要:
By incorporating a pump for sucking and discharging lubricating oil in a tank for storing the lubricating oil on an outside of a rolling bearing, for example, on a spacer for an outer ring in a housing for accommodating the rolling bearing and a nozzle in which an lubricating oil outlet communicating with a discharging port of the pump to supply the lubricating oil discharged from the pump to the rolling bearing is opened in an annular-shaped space between a fixed ring and a rolling ring in the rolling bearing, a cost is reduced by using a general-purpose rolling bearing, and at the same time, external devices and pipes for a lubrication are not required wholly or partially and problems of a noise made by compressed air are eliminated.
摘要:
Based on detection of Treponema bacteria or Campylobacter bacteria present in a sample derived from the tonsil of a subject who has a positive result on at least one of a urinary protein test and a urinary occult blood test, or of a patient diagnosed with possible IgA nephropathy, presumed IgA nephropathy can be detected with a high accuracy, in a simple and quick manner without physical burden on subjects. Also, an IgA nephropathy patient for whom tonsillectomy is effective in therapy of IgA nephropathy can be selected with a high accuracy, in a simple and quick manner without physical burden on subjects.
摘要:
By incorporating a pump for sucking and discharging lubricating oil in a tank for storing the lubricating oil on an outside of a rolling bearing, for example, on a spacer for an outer ring in a housing for accommodating the rolling bearing and a nozzle in which an lubricating oil outlet communicating with a discharging port of the pump to supply the lubricating oil discharged from the pump to the rolling bearing is opened in an annular-shaped space between a fixed ring and a rolling ring in the rolling bearing, a cost is reduced by using a general-purpose rolling bearing, and at the same time, external devices and pipes for a lubrication are not required wholly or partially and problems of a noise made by compressed air are eliminated.
摘要:
A process for detecting presumed IgA nephropathy by detection of Treponema bacteria and/or Campylobacter bacteria present in a sample from the tonsil of a subject who, optionally, has a positive result in a urinary protein test and/or a urinary occult blood test, or whom is diagnosed with possible IgA nephropathy. Also, a process for detecting an IgA nephropathy patient for whom tonsillectomy is effective by detecting Treponema bacteria or Campylobacter bacteria.
摘要:
A radio communication system of a frequency hopping system, which carries out time division multiplex by TDMA and carries out communications while changing over two or more frequencies with respect to a radio link, wherein radio resources are efficiently utilized by establishing a plurality of radio links. A first communication apparatus periodically transmits control data by a frame cycle and a second communication apparatus which is a communication partner thereof receives the above-described control information during standby and secures synchronization in timing of frames and slots and timing of frequency hopping. Communication signals between both communication apparatuses and control information are overlapped in a slot to establish radio links. Once radio links are established in a plurality of slots other than a slot for transmitting control information, control is performed such that the control information is overlapped in the slots in which a radio link is established.
摘要:
A cage includes a cage body in an annular shape which is formed with a plurality of pockets for receiving rolling elements, an oil containing member in an annular shape which is attached to an inner peripheral surface of the cage body and formed of material capable of impregnating lubricating oil, and an applying member for applying the lubricating oil in the oil containing member to an inner ring.
摘要:
A bearing device mountable on a smaller bearing and allowing to be automatically lubricated for a long period, comprising an inner ring and an outer ring rotated relative to each other, cages and rolling elements held by the cages which are disposed in an annular space between the inner and outer rings, a seal ring disposed on both sides of the inner and outer rings, and a unit body formed of a battery, a tank for storing lubricant, and a pump sucking and discharging the lubricant from the tank which is disposed between the outer ring and the inner ring detachably from the seal ring, wherein the lubricant is discharged from the pump into the annular space in which the rolling elements are disposed and the discharged amount of the lubricant from the pump is controlled by a sensor and a control circuit, and the unit body is formed detachable, whereby a lubrication unit installed in the bearing can be made compact and slim.