baber/WOPTO huggingface dataset:
Patent JP-H11101102-A (JP)
Title: Steam turbine rotor and method for prolonging life of steam turbine rotor
Inventor: KITAZAWA MORIKAZU
IPC: F01D5/30
Filed: 1997-09-26
Abstract: PROBLEM TO BE SOLVED: To prevent fretting damage of a wheel side hook of a steam turbine rotor of an outside tab table type so as to prolong the life thereof. SOLUTION: Blades 3, 3' are formed in their embedding parts 5 on the inside of the latter with blade side hooks 5a to 5c which are adapted to be meshed with wheel side hooks 2a to 2c, respectively. Surfaces 20a to 20c of the wheel side hooks 2a to 2c, on the inside thereof as viewed in a direction radial of a wheel 1, have parts (parts A) which are adjacent to blades 3A between which wheel side hooks 2a to 2c are interposed, and which are formed therein with recesses 10 for preventing the wheel side hooks 2a to 2c from making contact with the outer surfaces 50a to 50c of the blade side hooks 5a to 5c. Each of the recesses 10 has a curved surface which makes contact, at its opposite end parts as viewed in the circumferential direction of the wheel 1, with the outer surface of the associated one of the blade side hooks 5a to 5c, substantially tangential to the same.
Patent JP-2000091851-A (JP)
Title: Transmitter
Inventor: INAHASHI ATSUSHI
IPC: H03F1/32
Filed: 1998-09-16
Abstract: PROBLEM TO BE SOLVED: To provide a communication system equipped with a linear amplifier for effectively reducing the transmission power consumption of a transmitter in a base station or a mobile device, and to provide the transmitter therefor. SOLUTION: This transmitter is equipped with plural linear amplifiers which are different in saturation output and are connected in series or in parallel with a main path, a by-pass means for by-passing one part of the linear amplifiers as a sub-path, and a synthesizer for vector-synthesizing the signals of the main path and the sub-path. At the time of transmitting a low output, the output of the linear amplifier having no by-pass path is extracted, and the power supply of the linear amplifier having the by-pass means is limited by the by-pass means. Thus, the power consumption of the transmitter itself can be reduced.
Patent JP-S61142515-A (JP)
Title: Magnetic head
Inventor: MIYAGUCHI SATOSHI
IPC: G11B5/127
Filed: 1984-12-13
Abstract: PURPOSE:To obviated the stressing to a magnetic head core even if a nonmagnetic material expands and the deterioration of the magnetic characteristic of a magnetic head by depositing the nonmagnetic material as a gap spacer to the front face of the core block in a manner as to have an allowance for the spacing provided to said face. CONSTITUTION:A jig 4 of a vise type is used and two core block halves 1A1, 1A2 are grasped by selecting suitable pressing force F, by which the two core block halves 1A1, 1A2 are thermcompression-bonded. The gap spacer 5 to be deposited to the halves 1A1, 1A2 by each half in the spacing 6 is deposited to said core block halves by controlling the thickness l1 of the nonmagnetic material 51 of said spacer in a manner as to attain l1=4/5X1/2Xlg with respect to the gap length lg.
Patent JP-S61144227-A (JP)
Title: Expanding device for assembling pipe-holding structural body
Inventor: YAMAZAKI SHUJI
IPC: B21D39/08
Filed: 1985-11-21
Abstract: PURPOSE:To perform efficiently the joining operation by dividing pipe-expanding jigs in correspondence with expanding and joining sections to actuate the drawback expanding of pipe, in a device for joining plural grid-sleeves, arranged at prescribed intervals by a grid to control-bar guiding pipes by expanding them. CONSTITUTION:The positions of joining sleeves 5 and guide pipes 2 to each other by expanding, differ with a grid 2, for instance, a grid 2a, a grid 2b and a grid 2c. Pipes 54 having each a ring die and a taper pin at its tip, are provided to the pipe holder 51 of an expanding and joining device, and are expanded to be joined to the holder 51 by drawing back the cylinder 48 of extension bars 31, 37, 49. The 1st bar 31 is joined to the 1st holder 29 and the 2nd bar 37 to the 2nd holder 30, and the bars 31, 37 are moved together or separately by meshing the recessed part 42 of a ring gear 41 of the 2nd holder 30 with the projection of the 1st holder 29. Further, the bar 49 is independently moved by the cylinder 48. Therefore, the sectional joining by expanding at the prescribed position is performed by the combination of said movements.
Patent JP-H02167634-A (JP)
Title: Clamp device for parts and the like
Inventor: WATANABE ISAO
IPC: B23P19/04
Filed: 1988-10-18
Abstract: PURPOSE:To surely clamp a part whose holding part is smaller compared to the size of a tube and to hold sealing of the case of pouring fluid to a clamp part by providing a regulation member regulating the expansion of the tube in the desired range inside the tube expansion space. CONSTITUTION:The both ends of a cylindrical tube 2 are fitted to a base body 1 both ends, the expanded face of the tube 2 is made at the inner side of the base body 1, a passage 3 through which a fluid A is poured to the base body 1 is formed, the fitting of the tube 2 is performed by calking rings 4, 5 and to a flange like part 1A an expansion regulating member 6 regulating the expansion of the tube 2 is fitted. The flange like part 1A is fitted by sealing to a container 7, the fluid B flowed into the container 7 is flowed into the part 10 whose part has a flange 11 and capable of holding by the tube 2 is short and the gap DELTAt between the upper end of the regulation member 6 and the lower end of the part 10 is made almost zero. In order to clamp the part 10 a fluid a is poured into the tube 2 by specified pressure, the sealing property between the tube 2 and part 10 is secured and due to the expansion face of the tube 2 not coming into contact with the part 10 by the regulation member 6 not jamming the passage inside the part 10 the fluid B comes into the part 10.
Patent JP-H11101809-A (JP)
Title: Optical fiber probe and its manufacture
Inventor: MATSUMOTO TAKUYA
IPC: G01N37/00
Filed: 1997-09-26
Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber probe which can detect an evanescent light with high sensitivity and high resolution without being influenced by a scattering light scattered at a base part of the probe or a scattering light because of a surface roughness of a sample. SOLUTION: A projecting part 4 where a core 1 projects from a clad 2 is formed at one end of an optical fiber 3 having the clad 2 set in the circumference of the core 1. A metallic film 5 is formed at a surface of the projecting part 4 except a leading end part. An outer circumferential part 4a of the projecting part 4 retreats from a leading end face and an inner circumferential part 4b is tapered to be sharp forward. A metallic ball 6 is formed at a leading end of the sharpened inner circumferential part 4b.
Patent JP-H06110124-A (JP)
Title: Camera
Inventor: KOBAYASHI KIYOTAKA
IPC: G03B17/28
Filed: 1992-09-30
Abstract: PURPOSE:To suppress the inside diameter of a cartridge housing room to a specific value or below and to make the thickness and breadth of a camera main body small without projecting the part of the cartridge housing room outside. CONSTITUTION:The cartridge housing room 24 has 24mm inside diameter, the space of the cartridge housing room 24 is made small and the thickness and breadth of the camera main body 20 are made small without projecting the part of the cartridge housing room 24 outside the contour of the camera. Moreover, the film cartridge 2 of a small diameter is loaded in the cartridge housing room 24, but as the photographic film of the film cartridge 2, one having a polyethylene naphthalate film base is used so that the photographic film photographed by the camera never has strong curling.
Patent JP-H1090993-A (JP)
Title: Image forming device
Inventor: INAGAKI TATSUYA
IPC: G03G15/06
Filed: 1996-09-12
Abstract: PROBLEM TO BE SOLVED: To output good images by using two reference images so as to accurately control toner concentration. SOLUTION: A reference image forming part 25 forms a black solid patch on a photosensitive body 6 by a low light quantity and a texture patch by a high light quantity. A developing characteristic estimating part 22 approximates a developing potential from a middle concentration part to a high concentration part, which is a difference between a photosensitive surface potential measured by a surface potentiometer 14 and a developing bias added to a developing means, and a toner sticking amount measured by a toner sticking amount sensor 15 by a linear equation. A condition control part 23 controls an image forming condition based on the approximated relation between the developing potential and the toner sticking amount.
Patent JP-S63115351-A (JP)
Title: Manufacture of micro-heat pipe
Inventor: ITO MASAHIKO
IPC: F28D15/02
Filed: 1986-11-04
Abstract: PURPOSE:To contrive to be able to easily form a nicro-heat pipe for enhancing the substantial heat conductivity of a semiconductor substrate by a method wherein a condensable fluid which is used as a working fluid is injected in recessed parts formed in the substrate with the recessed parts completely opened and the recessed parts are sealed by resistance welding without making the whole substrate heat up. CONSTITUTION:Recessed parts 3 provided with a part of a fine width enough to generate a capillary pressure are formed in a semiconductor substrate 1, and welding material layers 5, through which a current is made to flow to generate heat and fuse, are each formed on the peripheries of the opening ends on the surface of the substrate 1 in these recessed parts 3. Condensable fluids which perform heat transmission as latent heat of vaporization are each put in the recessed parts in a vacuum atmosphere. Then, other semiconductor substrate, wherein welding material layers of the same pattern as that of the welding material layers are formed, and the substrate are superposed and pressed in such a way that the welding material layers come into contact opposing to each other. By making a current flow through these welding material layers to generate heat, the substrates are instantaneously welded together by these welding material layers and, moreover, the recessed parts are sealed. In such a way, as the substrate are welded together by the welding material layers, the scattering of the condensable fluids from the recessed parts is little generated.
Patent JP-H02107707-A (JP)
Title: Method for predicting lowering and raising of furnace heat in blast furnace
Inventor: ARAI AKIO
IPC: C21B5/00
Filed: 1988-10-17
Abstract: PURPOSE:To accurately predict raising and lowering of molten iron temp. in a furnace by measuring furnace temp. at each interval of the prescribed time with a thermometer arranged at furnace wall of the blast furnace and measuring solution loss of coke in the furnace. CONSTITUTION:The temps. in the furnace are measured at each interval of the prescribed time with plural inner wall thermometers arranged at vertical and outer circumferential directions of the furnace wall in the blast furnace, and in the case the raising or lowering value of this temps. difference exceeds the threshold value, the operation method is controlled by adjusting the charging quantity of raw material fuel from the furnace top. Further, the furnace top gas is analyzed at every prescribed times and the lowering of the furnace temp. caused by the solution loss of the coke reduced into CO with CO2 gas, is obtd. and in the case this moving average value is less than the threshold value, the lowering of the temp. in the blast furnace is predicted. By accurately predicting the furnace temp. based on lowering of the temp. caused by the above measured value of the furnace inner wall temp. and the solution loss of the coke, the furnace condition is stabilized and the temp. of the molten iron in the furnace is held to the prescribed value.
Patent JP-H02108071-A (JP)
Title: Billing device
Inventor: WATANABE YUTAKA
IPC: G03G15/00
Filed: 1988-10-17
Abstract: PURPOSE:To cope with various needs of customers by providing a copy number setting means, a copy mode setting means and a specific billing means. CONSTITUTION:The billing device is provided with the copy number setting means 01, the copy mode setting means 02 and the billing means 03. The billing means 03 includes a total copy billing part 031 counting total copies, a black/ white copy billing part 032 counting black/white copies, a modal billing part 033 which counts a prescribed number of copies only and does not count any more, and a specific paper size billing part 034 counting copies of specific paper size. An information table is produced to perform which billing at the time of paper feeding. When paper is ejected, data on the paper is read out to bill. In such a way, a charge system applicable to a multifunctional copying machine and meeting various needs of customers can be attained.
Patent JP-H1080395-A (JP)
Title: Suction controlling apparatus for endoscope
Inventor: HIRANO SOTA
IPC: A61B1/00
Filed: 1996-09-10
Abstract: PROBLEM TO BE SOLVED: To prevent sudden suction from occurring during suction is worked and to decrease change of suction characteristics with time when a suction tube consists of a flexible tube. SOLUTION: A flexible suction tube 14 is arranged between a suction pipe 3 in an endoscope 1 and a suction pump and this suction tube 14 is opened and closed by means of the first open/close valve 15 such as a pinch valve. In addition, an opening tube 20 being branched from this suction tube 14 and being under open condition to open air and the second open/close valve 21 are arranged and when the first open/close valve 15 is closed, the second open/ close valve is opened not so as to apply a large suction negative pressure. In addition, when electric source is turned off, the first open/close valve 15 is kept under open condition after a specified time to shorten time for crushing the flexible tube and to avoid to spoil a tube holdability.
Patent JP-S63118038-A (JP)
Title: Yttria grain dispersion-type gamma'-phase precipitation-strengthening nickel-base heat-resisting alloy
Inventor: KUSUNOKI KATSUYUKI
IPC: C22C19/05
Filed: 1986-11-06
Abstract: PURPOSE:To remarkably improve the creep rupture life and elongation of the titled alloy to be obtained, by limiting a composition, regulating the ratio of a gamma-phase to a gamma'-phase into the prescribed value,and forming a coarse recrystallized structure by means of specific zone annealing conditions. CONSTITUTION:The composition consists of, by weight, 2.5-3.7% Al, 10.3-11.1% Co, 6.7-8.0% Cr, 0.5-0.7% Ti, 3.2-4.3% Ta, 12.6-13.4% W, 0.02-0.2% Zr, 2.2-2.6% Mo, 0.001-0.1% C, 0.001-0.02% B, 0.5-1.7% Y2O3, and the balance Ni. Respective element simple-substance powders of carbonyl Ni, Co, Cr, Ta, W, and Mo, respective powders of Ni-Al, Ni-Ti-Al, Ni-Zr, and Ni-B alloys, and a pulverized powder of Y2O3 are mixed in the above compositional ranges so as to be formed into a composite powder, which is subjected to extrusion forming. This formed part is subjected to zone annealing heat treatment in which the maximum temp. is regulated to a range between hardness-softening temp. and solidus temp., so that titled alloy having coarse recrystallized structure in which GAR of grain and its minor-axis diameter are regulated to >=20 and >=0.1mm, respectively, can be manufactured.
Patent JP-H0570184-A (JP)
Title: Production of quartz glass-based optical fiber
Inventor: ZUSHI TOSHIHIRO
IPC: C03C25/42
Filed: 1991-09-12
Abstract: PURPOSE:To obtain optical fiber, excellent in water and hydrogen resistance and mechanical strength, especially tensile strength and applicable to optical communication in various fields without anxiety. CONSTITUTION:A halogenated hydrocarbon or a mixture of the halogenated hydrocarbon with a hydrocarbon is thermally decomposed by utilizing a high temperature of optical fiber just after thermal drawing to coat the optical fiber with carbon.
Patent JP-H03124341-A (JP)
Title: Method for forming long hole in long size anchor bolt, etc.
Inventor: OKAI KAZUO
IPC: B21K1/44
Filed: 1989-10-07
Abstract: PURPOSE:To efficiently form a long hole in a long size anchor bolt, etc., by heading an axial hole of the heading limit length in the central part of an axis of round metallic material and continuously forming a drilled hole in the extension part of an axial hole by machining. CONSTITUTION:At a 1st stage, the round axis metallic material 1 cut to a specified length is headed at each of several stages to form axial hole 2 of the heading limit length in the central part of the axis. At a 2nd stage continued to this, the drilled hole 2a is formed by cutting in the extension part of this axial hole 2. The diameter of this drilled hole 2a takes the same diameter as that of the axial hole 2 or a different, larger or smaller diameter and a tapered hole 21 is formed on that end part. In that case, an axis 11 of small diameter before threading is formed on the upper part of the round axis metallic material 1 and a buried tube part 12 is formed on the lower part. Thereafter, a thread groove is formed on the outer periphery of the axis 11 before threading and an expanding slot is formed on the buried tube part 12 to obtain the anchor bolt.
Patent JP-S61142354-A (JP)
Title: Piston in internal combustion engine
Inventor: ARAKAWA SADAO
IPC: F02B23/00
Filed: 1984-12-14
Abstract: PURPOSE:To prevent carbon particles from reaching the outer peripheral wall of a combustion chamber to reduce abrasion in the slide sections of a cylinder liner and a piston ring, by providing, in the upper section of the piston, a shield plate projecting upward from the outer periphery of the piston. CONSTITUTION:A thin-wall cylindrical shield plate 9 is provided, being projected upward from the outer periphery of a piston 1, in the upper section of the piston 1. In this stage, the shield plate 9 is made of, for example, heat-resistant steel, and is formed therein with slits 10 at several positions in order to avoid deformation due to thermal-expansion, etc. Further, the shield plate 9 is very thin to prevent it from being made in contact with an intake valve 6 and an exhaust valve 7, and the gap (h) between the top section of the piston 1 and the upper surface of a cylinder head 2 is made to be as small as possible. The shield plate 9 is attached, in the part between the lower section 9B and a part 9A corresponding to the piston top surface, to the outer periphery of the piston 1 by calkings L due to a knurling process, etc. With this arrangement it is possible to prevent carbon particles from reaching the wall surface of the cylinder liner.
Patent JP-H11101535-A (JP)
Title: Gas/liquid separator
Inventor: NAKAMA HIROTO
IPC: F25B43/00
Filed: 1997-09-29
Abstract: PROBLEM TO BE SOLVED: To prevent iron powder from invading a compressor and further prevent wear of compressor slide parts from being promoted by capturing iron powder, cut chips, and oxidized scale, etc., in a refrigerant introduction pipe in a gas/liquid separator where an oil return hole is provided in the refrigerant derivation pipe. SOLUTION: The present gas/liquid separator is adapted such that the tip end of a refrigerant introduction pipe 5 is sealed, and a hole 6 is provided in a portion of the refrigerant introduction pipe 5 in the gas/liquid separator 1, and further a filter 9 comprising a wire material is disposed in the neighbourhood of the tip end of the refrigerant introduction pipe 5. Hereby, iron powder, etc., are captured at the end of the refrigerant introduction pipe 5 to prevent the iron powder, etc., from being mixed into the gas/liquid separator 1 and further iron powder, etc., invading a compressor from an oil return hole 8 provided in the refrigerant derivation pipe 7 are restricted. Thus, wear of compressor slide parts are prevented from being promoted.
Patent JP-2001080515-A (JP)
Title: Maintenance work control device
Inventor: NAGAI SATOSHI
IPC: G06Q50/00
Filed: 1999-09-17
Abstract: PROBLEM TO BE SOLVED: To enable a secure check in a short time by performing recognition and non-recognition of a failure in the maintenance work formed by a maintenance terminal with the operation of a display screen of a central device. SOLUTION: A central commander checks a recognition section of a failure in the maintenance work displayed on a screen, and when a failure of the maintenance work, which is not recognized yet, is checked, the central commander performs the operation for recognizing that failure of the maintenance work. In a recognizing method, when a corresponding failure of the maintenance work is selected among a list of failures of the maintenance work, detail of the selected failure of the maintenance work is displayed, and the central commander selects a button or an icon of recognition or non-recognition. When the recognition button or the recognition icon is selected, 'recognition' is displayed in a recognition section of the list of the maintenance work. When plural failures of the maintenance work in the list are selected, they are recognized together.  In the case where the central commander does not process any one of recognition and non-recognition, a screen for recognition and non-recognition is displayed with the alarm sound in 30 minutes before starting the maintenance work.
Patent JP-H01105985-A (JP)
Title: Audiovisual education apparatus
Inventor: IWAGAMI KATSUYOSHI
IPC: G09B5/06
Filed: 1987-10-19
Abstract: PURPOSE: To put a question at any time during learning and improve learning effect by defining a correct-answer message and an incorrect-answer message in message frame data by teaching materials, and reproducing the defined speech from a video disk. CONSTITUTION: A video disk control circuit 1a normally controls a video disk part according to frame data of screen data 2a to carry on learning. To put a question, a learner questions by touching a point in a question area directly on a screen. A touch panel 6 sends the coordinates of the point that the learner touches a touch panel analyzing circuit 1b. The circuit 1b matches the coordinate values against link data 2b, and retrieves the screen data name corresponding to the area including the coordinate values and sends it out to the circuit 1a. The circuit 1a interrupts video and sound currently reproduced and performs ordinary operation according to the definition contents of the screen data name.  Consequently, a question can be put at any time during learning, the operation is intuitive, and an unclear point of the learning can immediately be answered to, thereby improving the learning effect.
Patent JP-H07123443-A (JP)
Title: Dropout compensating circuit
Inventor: KOGA FUMIAKI
IPC: H04N5/94
Filed: 1993-10-21
Abstract: PURPOSE:To provide a circuit for easily compensating drop-out. CONSTITUTION:At the time of normal reproduction, a signal delaying an input signal for 1H is outputted and when drop-out is detected, the output of a 1H delay unit 402 is inputted to a 1H delay unit 402 while stopping a carrier chrominance signal with a trap filter 101. Thus, the phase of the carrier chrominance signal in a PAL system is advanced 90 deg. before 1H and only the R-Y axis component is inverted. Then, the correction of the phase is complicated for carrier chrominance signal phase continuation but circuit scale is considerably reduced and drop-out is corrected.
Patent JP-H07121993-A (JP)
Title: Optical information recorder/reproducer
Inventor: KIGUCHI HIROYUKI
IPC: G11B11/10
Filed: 1993-10-21
Abstract: PURPOSE:To obtain reliability of preserving data even if there is initial defect at a position for recording defect information such as first defect list (PDL), second defect list(SDL), etc., of a magneto-optic disk. CONSTITUTION:Each control system of a driver system 6 is controlled based on a command of a host computer 14, and a defect of a DMA area of a disk surface is inspected by emitting a laser light L from an optical pickup 3 to the disk surface at the time of formatting a magneto-optic disk 1. When a defect sector is detected, a recording position of the list is set by avoiding the defect sector, and when a plurality of defect sectors are detected, its defect sector information is continuously recorded at a set recording position of the defect list.