baber/WOPTO huggingface dataset:
Patent JP-H0482617-A (JP)
Title: Pulse power supply for electrical processing
Inventor: INOUE KIYOSHI
IPC: B23K26/00
Filed: 1990-07-26
Abstract: PURPOSE:To enhance the utilization rate of an inverter-transformer as well as to make the inverter including transformer small in size and light in weight by providing an n-tuple voltage rectifying circuit which rectifies and accumulates the output of the inverter-transformer, and applying an output of the n-tuple voltage rectifying circuit to a work gap. CONSTITUTION:The input of an inverter-transformer 2 is controlled to be turned on/off by means of the output pulse of a pulse duration modulation control circuit 12, and a n-tuple voltage rectifying circuit 5 which rectifies and accumulates the output of the inverter-transformer. In the second place, a capacitor C2 to which n-tuple voltage from the n-tuple voltage rectifying circuit 5 is charged, is directly utilized as a load matching capacitor. With this constitution, the utilization rate of the inverter-transformer 2 becomes extremely high, the inverter-transformer 2 can thereby be constituted to be made small in size. In addition, a space between the capacitor C2 and a load gap 1 can be connected to each other through low impedance 6, high amperage current can thereby be supplied.
Patent JP-H0824103-A (JP)
Title: Pillow
Inventor: MOROZUMI MITSUGI
IPC: A47G9/10
Filed: 1994-07-18
Abstract: PURPOSE:To select the feeling of use depending on four seasons by forming the first to the third support sections to be collapsible, stacking a bagged coolant and solid wool in the first support section, and filling the second support section with semi-rigid resin particle materials and the third support section with buckwheat chaff. CONSTITUTION:A coolant 7 and plate type solid wool 8 sealed with an aluminum deposited film are stacked in the bag section 4 of the first support section A. Each bag section 5 of the second support section B is filled with semi-rigid resin particle materials 9 having both elasticity and through-holes. Also, each bag section 5 of the third support section C is filled with buckwheat chaff 10. The coolant 7 is heat absorption type, crystallized at room temperature and melts at bodily temperature, thereby absorbing heat. The plate type solid wool 8 laid at the back of the coolant 7 maintains the shape of the support section A. Furthermore, the synthetic resin particle materials 9 are free from permanent set in fatigue and liable to move, thereby easily suiting the shape of the head and ensuring the comfortable feeling of use. Also, the buckwheat chaff 10 is high in heat releasing function, feels soft and is suitable for stably supporting the head.
Patent JP-S6089508-A (JP)
Title: Production of powder
Inventor: TAKEMURA TSUYOTOSHI
IPC: C01B13/14
Filed: 1983-10-19
Abstract: PURPOSE:To produce metallic oxide having a prescribed compsn. in the stage of producing a powder mixture composed of plural metallic oxides as a raw material for a zinc oxide varistor by providing three cylindrical bodis to one vessel and ejecting the granular melt of the metal for forming the oxide from the respective cylindrical bodies thereby oxidizing the metal. CONSTITUTION:Three cylindrical bodies 1 are attached to one vessel 10 and metallic wire rods 3A, 3B, 3C which are raw material are supplied into the evaporation chambers 1a of the respective bodies 1 and are melted or evaporated by burners 4. The material 3A is a wire rod contg. 1atom% Co having the higher m.p. than Z, 0.5atom% MN and 1atom% Cr in Zn, 3B is a Bi wire rod and 3C is an Sb wire rod. The melts of the respective wire rods 3A-3C are ejected into ejection chambers 1b by the high pressure oxygen or air supplied through supply ports 6 and ejected through ejection ports 7. The respective metals are dropped in the form of oxide powder into a receiving tray 11. The raw material for the zinc oxide type varistor consisting of the mixture composed of the oxides of Zn, Bi, Co, Mn, Sb and Cr.
Patent JP-H0671457-A (JP)
Title: Resistance welding controller
Inventor: HASEGAWA HIROSHI
IPC: B23K11/25
Filed: 1992-06-29
Abstract: PURPOSE:To optimize a welding current of a resistance welding machine by providing a measuring means on a primary side circuit. CONSTITUTION:At timing when the time change rate di/dt of a primary side current (i) becomes almost zero, a current value (i) and a voltage value V at the primary side are measured and a secondary side resistance value is obtained therefrom. The quantity of change of the secondary side resistance value is then obtained which is compared with the intermediate quantity of each quantity of change when expulsion and surface flash are generated and when expulsion and surface flash are not generated and the presence or absence of the expulsion and surface flash generation is discriminated. Based on this discriminated result, the number of times of the expulsion and surface flash generation is counted. The counted number of times of the expulsion and surface flash generation is compared with the optimum number of times of the expulsion and surface flash generation and when the former is more than the latter, the welding current is reduced and when the former is less than the latter, the welding current is increased.
Patent JP-S6257756-A (JP)
Title: Production of cylinder for injection molding machine
Inventor: HARA MASAHIRO
IPC: B22D19/08
Filed: 1985-09-05
Abstract: PURPOSE:To obtain an excellent cylinder for an injection molding machine having high joint force between an outside cylinder and inside cylinder by pouring the melt of a high chromium cast iron into the hollow part of the outside cylinder, solidifying the melt, boring the central part of the solidified part and forming the bored part as the inside cylinder. CONSTITUTION:A carbon steel stock 1 is machined to form the outside cylinder 2 having a hollow cylindrical shape. The outside cylinder 2 is heated up to a high temp. region in a non-oxidizing atmosphere and is held at said temp. The melt of the high chromium cast iron is then poured into the hollow part of the outside cylinder 2 and is cooled together with the outside cylinder 2, by which the molten metal is solidified and a welded layer is formed at the boundary between the outside cylinder 2 and the high-chromium cast iron 3. The cylinder is further subjected to cutting and polishing or super finishing in a machining stage. The cylinder 4 clad with the inside cylinder 3a consisting of the high chromium cast iron via the welded layer on the inside surface of the outside cylinder 2 made of the carbon steel is thus obtd.
Patent JP-S6440888-A (JP)
Title: Color el display device
Inventor: NITTA KOJI
IPC: G09F9/30
Filed: 1987-08-06
Abstract: PURPOSE: To make it possible to manufacture a device having high luminance and high resolution with good yield by taking out the EL light taken out via translucent electrodes to the outside of a translucent substrate via color filters disposed on this translucent substrate opposite to the translucent electrodes. CONSTITUTION: A substrate 4 consisting of glass, etc., is provided thereon with a lower electrode 2 and is provided with an EL light emitting layer 6 between the transparent electrodes 2' in the upper part and this lower electrode. The electrodes 2' of this EL element are made of ITO, etc., and are formed transparent. these translucent substrates 3 consisting of glass are provided thereon with the color filters 1. Spacings 5 exist between the color filters 1 disposed on the substrate 3 and the EL element disposed on the substrate 4. Sealing parts 19 consisting of epoxy resins, etc., are disposed between the substrates 3 and 4. The inner side thereof is provided with a light emitting layer 6.  Gas, such as air, or liquid, such as silicone oil, is filled in the spacings 5 and the dimensional accuracy of the spacings 5 has substantially no relation with the goodness of the display quality of the display. The surface accuracy of the glass substrates 3, 4 and the dimensional accuracy of the spacings 5 are, therefore, less strictly restrict and the production is facilitate.
Patent JP-H0947891-A (JP)
Title: Pipe supporting device for laser beam machine and method for using the device
Inventor: SATO YOSHIHARU
IPC: B23K26/21
Filed: 1995-08-01
Abstract: PROBLEM TO BE SOLVED: To obtain the device and its method in which the pipe is stably supported by a pipe supporting device for a laser beam machine even if the size of the pipe is changed. SOLUTION: In a pipe supporting device 19 of a laser beam machine 1 in which a pipe rotating device 17 for rotating a pipe 15 is provided on a base 13, and in which a laser machining head 7 is provided in the upper part of the base, the pipe supporting device is equipped with a slide 21 freely movable in the direction parallel to the pipe on the base. The slide 21 is provided with a pair of carriages 25 allowing them to approach and recede mutually in the direction orthogonally crossing the pipe 15, with each of the pair of carriages 25 provided with a member 39 for freely rotatably supporting the pipe.
Patent JP-H0945146-A (JP)
Title: Dc cable
Inventor: OU SHINAN
IPC: H01B9/02
Filed: 1995-08-01
Abstract: PROBLEM TO BE SOLVED: To improve the storage characteristic of space charges and improve the DC breakdown characteristic by providing an insulator layer mainly made of the polyethylene cross-linked by an aliphatic cross linking agent and having narrow molecular weight distribution. SOLUTION: Polypropylene, butene, pentene, hexene, or octane is copolymerized as a copolymer with ethylene via a metallocene catalyst to obtain the polyethylene having narrow molecular weight distribution for use, for example, and the ethylene octane copolymer is preferably used in particular. The ratio Mw /Mn between the weight average molecular weight Mw and the number average molecular weight Mn is set to 3.0 or below, preferably about 2.0 in particular. 1, 1 bis((t)butyl peroxide) cyclohexane or acetylperoxide is used for an aliphatic cross linking agent. An oxidation inhibitor and an ultraviolet ray absorbent are added and mixed in addition to these components as required, the mixture is extruded and covered on the outer periphery of a conductor, then it is heated and cross-linked to form an insulator layer.
Patent JP-H0362360-A (JP)
Title: Character display device
Inventor: YAMAGISHI YOICHI
IPC: G11B20/02
Filed: 1989-07-31
Abstract: PURPOSE:To easily prepare an original for post-recording a voice on a still video floppy or the like by previously displaying seconds every prescribed number of character which is displayed on a display device with the aid of numbers which are successively continued. CONSTITUTION:By operating an input device 3, the display alpha of the seconds is previously displayed on the display for displaying a character 4 of the display device 1 every five characters by the numbers which are successively continued. Next, by operating the input device 3, the original for recording a voice is inputted. While the original is inputted, the desired seconds required for recording the voice is always confirmed by the display alpha of the seconds which is previously displayed and the original is prepared so that the voice is recorded within the desired seconds. When the voice is not recorded within the desired seconds,it is judged whether the original is corrected or a next track for recording a voice is used.
Patent JP-H0925330-A (JP)
Title: Epoxy resin composition and semiconductor device sealed therewith
Inventor: KUMANO YOSHIYO
IPC: C08L63/00
Filed: 1995-07-10
Abstract: PROBLEM TO BE SOLVED: To obtain an epoxy resin composition having excellent soldering-heat resistance and mold release and not forming any mold deposits by mixing an epoxy resin with a specified cyclopentadiene/phenolic polymer, an inorganic filler and a cure accelerator as the essential components. SOLUTION: This epoxy resin composition consists essentially of an epoxy resin, a cyclopentadiene/phenol polymer represented by the formula (wherein (n) is 0 or an integer of 1 or greater) and containing previously dispersed polyethylene and ester waxes, 25-90wt.%, based on the resin composition, inorganic filler and a cure accelerator.
Patent JP-S5898532-A (JP)
Title: Quick coupler
Inventor: UCHIDA TOMIO
IPC: E02F3/36
Filed: 1981-12-09
Abstract: PURPOSE:To eliminate a backlash and to prevent deformation and damage of an engaging pin, by constituting a coupler in the manner that an appropriate gradient is given to forward tips of a pair of engaging pins. CONSTITUTION:A pin operating mechanism 26 is attached to a body 3 of a hitch of a quick coupler. The pin operating mechanism 26 consists of a fluid pressure cyliner mechanism 28, a revolving sliding plate 30, an operating lever 32, a pair of approximately L-shaped operating revolving levers 34a, 34b, and a pair of engaging pins 36a, 36b. A rear surface of at least the end of each of the two engaging pins 36a and 36b has a gradient surface which tilts forward towrad an insertion direction and is substantially flat, and rear surfaces of a pair of pin supporting holes, through which the pins are inserted, are formed so that they closely engages their respective engaging pins 36a and 36b.
Patent JP-H0367601-A (JP)
Title: Surface machining device for wooden work
Inventor: PABUERU REDEINEKU
IPC: B27C1/04
Filed: 1989-07-31
Abstract: PURPOSE: To permit surfaces of thin wood workpieces of small dimension to be worked to any depth by depositing a guide insert fitted to one of flank side guide strips in a partially hollow face cylinder milling head with fixed or exchangeable cutting edges. CONSTITUTION: Workpiece 11 slides on a slide plate 4 and is kept by an upper guide strip which constitutes a movement channel so as to securely fix the workpiece 11. After completing the working of the lower workpiece surface 11 with a working spindle I, the workpiece moves on the slide plate 4' beneath a working spindle II. The workpiece 11 is engaged with cutting edges 1' of a milling head 1 at points P1, P2, and P3 so that the upper surface is worked. A fixed guide insert 9 and the face plane of the workpiece 11 are located in the same plane and on the axis so that the upper surface of the workpiece is cut.
Patent JP-H0359762-A (JP)
Title: Device for forming experiment plan data
Inventor: ISHIBASHI YUICHI
IPC: G06Q50/04
Filed: 1989-07-28
Abstract: PURPOSE:To correctly form test data within a short time by using the information of a parameter table, the information of an orthogonal table obtained from an orthogonal table data file and error data obtained from a random number generation part for operation. CONSTITUTION:The parameter table 17 temporarily stores a parameter developed by an input parameter analyzing part 12, the orthogonal table data file 13 stores the information of the orthogonal table to be the reference of data formation and the random number generation part 15 generates error data to be supposed as an experiment error. A data formation part 14 executes operation by using the information of the table, the information of the orthogonal table obtained from the file 13 and the error data formed from the random number generation part 15 and forms and outputs test data. Consequently, test data for a large orthogonal table can be rapidly and accurately formed by inputting the minimum number of parameters.
Patent JP-2001021688-A (JP)
Title: Wiping and washing device for jet pump
Inventor: TOMATSU TSUTOMU
IPC: G21C19/02
Filed: 1999-07-12
Abstract: PROBLEM TO BE SOLVED: To remotely operate under an air environment for reducing the load on workers and radiation exposure dose in washing the inside of the riser pipe of a jet pump. SOLUTION: In the riser pipe 12 of a jet pump 10 placed in a reactor pressure vessel 1, a flexible shaft 70 attaching a wiping pad 83 at the tip end is inserted. The flexible shaft 70 is easily inserted and withdrawn with a roller guide mechanism 41 placed nearby a recirculation inlet nozzle 13. The back end of the flexible shaft 70 connects to a shaft rotation drive device 59. The flexible shaft 70 is moved up and down by a position support device 42 and the center is positioned in the riser pipe 12. The center of the flexible shaft 70 is set to position around a thermal sleeve 22 in the center with the position support device 42, and by rotating the sweeping pad 83, the inside of the riser pipe 12 is wiped and washed.
Patent JP-H0752694-A (JP)
Title: Seat track
Inventor: KOTANI KAZUYUKI
IPC: B60N2/06
Filed: 1993-08-09
Abstract: PURPOSE:To prevent a roller shaft from moving along its axis or disconnecting from a seat track without causing deformation of the side walls of a roller case or deteriorating strength. CONSTITUTION:A seat track comprises a lower rail 2 oh the floor surface of a vehicle, an upper rail 3 on the side of a seat, and a roller case 5 secured to the lower rail 2 and supporting the upper rail 3 by means of a roller 4. Recessed portions 11 for supporting a roller shaft are formed on the right and left side walls 5a, 5b of the roller case 5 having a U-cross section, and receiving pieces 10 for receiving the axial end of the roller shaft 6 are formed integrally with the roller case 5, and the side wall 5a which is above the roller shaft 6 being fitted between the receiving pieces 10, 10 from above is provided with a shaft holding portion 12.
Patent JP-S6089908-A (JP)
Title: Single-phase three-winding transformer
Inventor: TAKAHASHI TORAO
IPC: H01F29/02
Filed: 1983-10-21
Abstract: PURPOSE:To satisfy the transportation conditions while forming the titled transformer on a small size by winding a low-voltage winding only around the second main leg so as to reduce short-circuit capacity of a tertiary circuit and to increase reliability of tertiary circuit short and an occupancy rate of a winding. CONSTITUTION:On the first main leg 1A of a single-phase four-leg iron core, a tap winding 5A, a medium-voltage winding 3A and a line-side high-voltage winding 2A are wound in order from the iron core side. On the second main leg 1B, a low-voltage winding 4, a medium-voltage winding 3B, a neutral-point-side high-voltage winding 2B and a tap winding 5B are wound in order from the iron core side. The medium-voltage windings 3A and 3B are connected in parallel and the line-side high-voltage winding 2A and the neutral-point-side high-voltage winding 2B are connected in series. Further, the tap windings 5A and 5B are connected alternately to form a serial tap winding which is connected to them to constitute a single-phase three-winding transformer. In this constitution, a short- circuit capacity of a tertiary circuit is reduced and a reliability of tertiary circuit short and an occupancy rate of a winding are increased thereby satisfying the transportation conditions while forming the transformer on a small size.
Patent JP-H0247289-A (JP)
Title: Copper plating method with copper sulfate
Inventor: SHIMIZU TAKESHI
IPC: C25D5/36
Filed: 1988-08-08
Abstract: PURPOSE:To form a Cu plating film having superior adhesion on the surface of steel stock by subjecting the surface of the stock to Cu striking with an alkaline electroless Cu plating soln. and carrying out Cu plating with a plating soln. contg. copper sulfate. CONSTITUTION:When the surface of steel stock is subjected to Cu plating with an acidic plating soln. contg. copper sulfate, the stock is previously degreased, pickled, activated and subjected to Cu striking by immersion in an alkaline electroless Cu plating soln. The stock is then washed and immersed in the acidic plating soln. contg. 50-300g/l copper sulfate and 60-250g/l sulfuric acid and electroplating is carried out at 1-30A/dm<2> cathode current density. A Cu plating film having superior adhesion to the steel stock is formed on the surface of the stock.
Patent JP-H0516599-A (JP)
Title: Polychromic decorative article and manufacture thereof
Inventor: NAOI KOICHI
IPC: C23C16/26
Filed: 1991-07-12
Abstract: PURPOSE:To provide a polychromic decorative article which can be easily mass-produced and its manufacture method by realizing a polychrome by a color tone on the surface of a base body and a black color tone of a carbon hard film, for a decorative article for which a carbon hard film is formed on the surface of a base body through a medial layer of which the main body is silicon or germanium. CONSTITUTION:A carbon hard film 4 is formed on one surface of a base body 1 through a medial layer 3 of which the main body is silicon or germanium, to make a decorative article. In this case, polychrome is realized by a surface color tone of the base body 1 and/or a color tone of the surface of a colored film 2 which is coated on the base body 1, and a black color tone of the carbon hard film 4. By this method, a three-dimensional polychrome decorative article can be manufactured by a method which is simple and suitable for massproductivity.
Patent JP-H0842401-A (JP)
Title: Carburetor for gaseous fuel
Inventor: SHIMIZU YOSHIAKI
IPC: F02M9/06
Filed: 1994-07-30
Abstract: PURPOSE:To prevent the increase of idling engine speed and its noise from occurring by shifting a shutter valve in a direction of closing a bypass hole part according to a temperature rise in an engine, and checking the introduction of bypass air in time of a warm-up. CONSTITUTION:Accordingly, a bypass hole part 8 to be connected to a bypass passage is formed in a throttle body 6 at the side of an engine of a carburetor for gaseous fuel, and shutter valve 10 is installed in the throttle body free of slide movements, while an energizing means 12 energizing the shutter valve in a direction of opening the bypass hole part is installed there, and further this carburetor is provided with a temperature sensing actuator 14 which shifts the shutter valve in a direction of closing the bypass hole part against energizing force of the energizing means according to a temperature rise in the engine and adjusts an opening area of the bypass hole part in addition.
Patent JP-S5897907-A (JP)
Title: Amplifier
Inventor: SOBASHIMA AKIRA
IPC: H03F3/34
Filed: 1981-12-07
Abstract: PURPOSE:To stabilize DC operation and to reduce noises by providing an FET amplification stage with the 2nd amplification stage and the 3rd LPF type amplification stage, and further providing negative signal feedback from the 2nd amplification stage and DC negative feedback from the 3rd amplification stage to the 2nd amplification stage and FET. CONSTITUTION:The 1st amplification stage consists of FETs 21 and 22; parallel- connected gates are connected to an input terminal 41, and parallel-connected drains are connected to an output terminal 42 through a differential amplifier 23 as the 2nd amplification stage. The output of the amplifier 23 is connected to a differential amplifier 24 as the 3rd LPF type amplification stage. The output signal of the amplifier 23 is fed back to sources of the FETs 21 and 22  negatively. The DC output of the amplifier 24 is fed back to the sources of the  FETs 21 and 22 and the amplifier 23 negatively through transistors 32 and 31.  Thus, the FETs 21 and 22 are operates with saturated drain currents or currents  close to them, and consequently while a stable output is obtained, noises are reduced.