baber/WOPTO huggingface dataset:
Patent JP-2000198965-A (JP)
Title: Additive for antifouling coating
Inventor: NOGAMI HIDEAKI
IPC: C09D7/12
Filed: 1999-06-28
Abstract: PROBLEM TO BE SOLVED: To provide an additive for antifouling coatings which decreases the attachment of oyster shells, marine organisms such as seaweed, etc., saves fuel, yields a long adhesion-time of the coating, simplifies the application process and causes no ocean pollution by toxicity. SOLUTION: An additive used as an additive for antifouling coatings mainly comprises a mixture of a monazite powder and a tourmaline powder, each having an average particle size of from 3 to 10 μm and regularly releasing minus ions, wherein the mixing ratio in the mixture is from 60 to 40 wt.% tourmaline powder against from 40 to 60 wt.% monazite powder.
Patent JP-S6157676-A (JP)
Title: Silicone sealing material containing copper powder
Inventor: OKAMOTO JUNPEI
IPC: E04B1/66
Filed: 1984-08-30
Abstract: PURPOSE:To provide the titled sealing material prepared by mixing copper powder to a moisture-curing silicone rubber curable without generating an acid, and capable of constantly keeping beautiful appearance of copper plate, etc. because of the same discoloration tendency of the sealing material and the surface of copper plate. CONSTITUTION:The objective sealing material can be prepared by mixing (A) an RTV (moisture-curing) silicone rubber curable without generating acid and (B) copper powder. The ratio of the component A to the component B is (1-5):1, preferably 7:3. The component A is preferably a rubber which isolates an alcohol or amine by curing.
Patent JP-H0739076-A (JP)
Title: Nonpolar charger
Inventor: MIKI YASUHIRO
IPC: H02J1/00
Filed: 1993-07-22
Abstract: PURPOSE:To ensure safe charging without suspending the charging operation even when the charging terminals are connected in any direction at the time of charging the loadable/unloadable secondary battery. CONSTITUTION:Even when secondary batteries 24, 26 are connected in any direction to a charging terminal 22 of a charger, photocouplers 28, 30 detect the connecting diretion. Any one of the PNP transistors 14, 16 and any one of the NPN transistors 18, 20 become conductive depending on the detection signal. Thereby, charging currents 34, 36 are applied in the adequate direction to the secondary batteries 24, 26.
Patent JP-S6073505-A (JP)
Title: Imaging device
Inventor: YONEKUBO MASATOSHI
IPC: G02B6/04
Filed: 1983-09-29
Abstract: PURPOSE:To obtain a compact device low in cost and high in stability by composing the half width of a monochromatic filter widely in such a range as not deteriorating MTF due to color aberration of a convergent optical fiber array. CONSTITUTION:A halogen lamp 801 is used as a spot light source, a monochromatic light filter 802, a concave mirror 803, a cylinder 804 as an averaging optical system, and a spot light source-linear light source conversion optical system 805 using a large number of optical fibers are used to form a linear light source, and a optical guide 806 is used to average uneven light intensity. The half-width of the optical filter 802 is made as wide as possible in such a range as not deteriorating MTF due to color aberration of the convergent optical fiber array 808. A latent image is formed on a photosensitive body by using said light signal generating device to realize high speed imaging. The halogen lamp 801 has fast rise time, and it can stabilize aging characteristics, and therefore, it has advantages of requiring no feedback system, such as brightness controller.
Patent JP-H105785-A (JP)
Title: Deep water stratum aerator
Inventor: YAMAGISHI KAZUO
IPC: C02F3/22
Filed: 1996-06-20
Abstract: PROBLEM TO BE SOLVED: To simplify a construction and to make it possible to increase the contracting range of a water lifting pipe and circulating water pipe and to respond to a large water level fluctuation. SOLUTION: This device is constituted by connecting and arranging the water lifting pipe 4 and the circulating water pipe 5 in a perpendicular direction to the bottom of a floating tank 2, opening the top ends of the water lifting pipe 4 and the circulating water pipe 5 to the bottom of this floating tank, arranging an air diffusion pipe 10 to supply air bubbles into the water lifting pipe 4 at the bottom end of the water lifting pipe 4 and installing a return flow water discharge port 12 for opening the bottom end of the circulating water pipe 5 into the deep water strata. In such a case, the water lifting pipe 4 and the circulating water pipe 5 are respectively formed to a double pipe structure in which inside pipes 4-2, 5-2 slide in outside pipes 4-1, 5-1.  The sliding force that the inside pipes 4-2, 5-2 slide in the outside pipes 4-1, 5-1 is the buoyancy possessed by the inside pipes. The inside pipes are respectively anchored to an anchor installed at a water bottom by means of wire ropes.
Patent JP-S57104966-A (JP)
Title: Pressure fixing device
Inventor: ISOBE MINORU
IPC: G03G15/20
Filed: 1980-12-23
Abstract: PURPOSE:To ensure an even application of pressure with a roller of a small diameter, by forming at least one of the two pressure fixing rollers into a cheese shape with a rocking motion given to at least one shaft of these rollers to the other shaft and thus shifting the pressure application point toward the width of the paper. CONSTITUTION:An end of the shaft of a cheese-shaped pressure roller 4 is shifted upward by a spring 56, and the other end is connected to a rocking lever 6 via a bearing that can give an eccentricity to the shaft. When a motor is turned, an eccentric cam is turned. Thus the lever 6 rocks the shaft of the roller 4. In this case, the positional relation between the rollers 1 and 4 varies as shown by the solid lines and dotted lines in the figure. According to this change, the pressure application point shifts over the full width of the paper 3. The pressure application point has actually a certain area, and accordingly an even pressure can be substantially applied to the entire surface of the paper 3 by increasing greatly the rocking speed of the roller 4 campared with the feeding speed of the paper 3.
Patent JP-H0933072-A (JP)
Title: Heat storage water tank and multi ice-heat-storage unit
Inventor: YAGI KOSAKU
IPC: F24F5/00
Filed: 1995-07-18
Abstract: PROBLEM TO BE SOLVED: To improve workability and reduce installation cost by providing a top cover which is one of service covers arranged to be removable from the front surface and the rear surface with a fastening component and a piping connection-opening provided on the front or the rear. SOLUTION: A front cover 3 is fastened with a machine room 2 from the front by means of screws. A top cover 4 is folded in U shape, while the side surface is so arranged without projected area such as screws, thereby fastening the cover to a water tank 5 with screws. The machine room 2 is laid out in front of a heat storage water tank 5 while a piping box 1 is housed in the machine room 2 so that the front cover 1 may be removable and employed as a service cover. When maintenance work is required, for example, to check the connection of piping 1 or the like, the screws are removed as a fastening component, thereby enabling maintenance work to be executed from the front. A plurality of multi-ice-heat-storage units are provided with a lateral spacing of 5-350mm, in a square-shape heat accumulated water tank.
Patent JP-2000023195-A (JP)
Title: Image encoding device and method, image decoding device and method and encoded data providing medium
Inventor: NAGUMO TAKEFUMI
IPC: H04N19/61
Filed: 1998-06-26
Abstract: PROBLEM TO BE SOLVED: To provide image encoding method and device for outputting an encoded bit stream obtained by encoding moving images for instance, image decoding method and device for decoding the encoded bit stream and the encoded bit stream. SOLUTION: A quantization step generator 308 decides the encoding accuracy of the DC component coefficient (DC coefficient) of orthogonal transformation data corresponding to desired image quality for input images, and pixel accuracy for indicating a pixel value per pixel. A DC coefficient quantizer 307 quantizes the DC coefficient of the orthogonal transformation data corresponding to the encoding accuracy decided in the quantization step generator 308.
Patent JP-H0232063-A (JP)
Title: Synthesis of 2-phenyl-4-benzylimidazole
Inventor: SAWA NATSUO
IPC: C07D233/58
Filed: 1988-07-19
Abstract: PURPOSE:To efficiently obtain the subject compound used as the starting material for synthesis of a compound useful as one-pack type curing agent for epoxy resins by using 2-phenylimidazole as the raw material, heating the compound together with tribenzyl-borate in the presence of a certain kind of mineral acid and neutralizing the reaction mixture with an alkali. CONSTITUTION:2-phenylimidazole and tribenzyl-borate of formula I are heated in the presence of a mineral acid, mineral acid generator or ammonium salt of a mineral acid, preferably at 250-350 deg.C for 1-2hr. The reaction mixture is then neutralized with an alkaline (e.g., caustic alkali or ammonia) aqueous solution, thus obtaining the subject compound of formula II. Hydrogen chloride, orthophosphoric acid, tetrametaphosphoric acid, etc., is used as the mineral acid, phosphorus oxyhalide as the mineral acid generator and orthophosphoric acid available at a low cost is especially preferable. In addition the compound of formula II is obtained also by heating 1-benzyl-2-phenylimidazole of formula III in the presence of a mineral acid (generator) and neutralizing the resultant product as another method.
Patent JP-H0731881-A (JP)
Title: Production of oxidation catalyst
Inventor: TSUKUDA IWAO
IPC: F23D14/18
Filed: 1993-07-22
Abstract: PURPOSE:To provide a method for producing an oxidation catalyst which is used for burning gas such as hydrogen, carbon monoxide and hydrocarbon. CONSTITUTION:This oxidation catalyst is produced by mixing at least one kind of oxide selected from among alumina, silica, titania and zirconia which are carried with oxide of rare earth elements, palladium oxide carried with oxide of alkaline earth elements and a binder, and coating a honeycomb heat resistant base material with slurry of the obtained mixture.
Patent JP-H0929573-A (JP)
Title: Hanger positioning device
Inventor: WATANABE YOSHIKAZU
IPC: B23Q7/00
Filed: 1995-07-18
Abstract: PROBLEM TO BE SOLVED: To surely regulate the freedom of a hanger lifting up a work by providing a sling for lifting up a hanger, a means for holding the hanger and a means for regulating the workpiece. SOLUTION: A slider 16 is moved in a direction in which it approaches industrial robot, and after a positioning reference 7 reaches a position in front of the industrial robot, a clamp cylinder 9 is actuated so as to close a lever 8, and a hanger 3 is clamped between the lever 8 and the positioning reference 7. Then, a workpiece receiving stay 11 is swung so as to make contact with a work, and accordingly, the freedom of a contact point between the hanger 3 and the work is regulated. Thereafter, the industrial robot applies a hitting force to a sprue of the work with the use of a sprue breaking hammer so as to break the sprue of the work.
Patent JP-H0734102-A (JP)
Title: Production of metal powder
Inventor: SHIMIZU TAKASUMI
IPC: B22F9/10
Filed: 1993-07-22
Abstract: PURPOSE:To stably produce uniform fine metal powder excellent in sphericity with high productivity by installing a ceramic layer inert to a molten metal fed to the surface of a high-speed rotating plate made of a metal having a high m.p. and low specific gravity on the surface of the rotating plate brought into contact with the 'molten metal and then feeding the molten metal on the surface of the rotating plate. CONSTITUTION:When a molten metal is fed to the surface of a highspeed rotating plate and atomized by centrifugal force to produce metal powder, the rotating plate is made of a metal having a high m.p. and low specific gravity and a ceramic layer inert to the molten metal is disposed on the surface of the rotating plate brought into contact with the molten metal. Pure Ti or a Ti alloy such as Ti-6Al-4V is used as the metal of the rotating plate, a layer of TiC, MoB2, AlN, etc., is used as the ceramic layer and the thickness is regulated to less than several mm. Molten Ti or Ti-6Al-4V may be used as the molten metal. The objective uniform spherical metal powder is stably produced with high productivity.
Patent JP-H0470448-A (JP)
Title: Execution method for concrete containing buried material
Inventor: UCHIDA KATSUMI
IPC: E04B5/32
Filed: 1990-07-11
Abstract: PURPOSE:To simplify the execution by arranging a lower part bar and a beam bar on a mold form and an upper part bar, after a light weight buried material is provided in a row, and also floating the buried material by primary casting to surround the buried material by secondary casting. CONSTITUTION:A lower part bar 20 and a beam bar 30 are arranged on a mold form 10, and further an upper part bar 50 is arranged on the lower part bar 20 after a buried material 40, consisting of light weight solid material, is provided in a row. Next, the buried material is floated in a suitable position by casting primary concrete 60. Further, the buried material 40 and the upper part bar 50 are surrounded by casting secondary concrete 70. The buried material 40 is buried in a predetermined position without using a holding tool. In this way, a time for the execution can be shortened in addition to reduction of labor.
Patent JP-S5881468-A (JP)
Title: Spray coating method for inner surface of small-sized tubular body
Inventor: NAKAMURA KENSAKU
IPC: B05D7/22
Filed: 1981-11-10
Abstract: PURPOSE:To form a liner layer having wear-resistance, while eliminating troubles such as deformation or the contraction of a diameter, by heating a tubular body made of heat-resistant special steel from its outer surface to hold its inner surface at a high temperature, and concurrently spraying a facing material to the inner surface. CONSTITUTION:A tubular body 2 made of heat-resistant special steel which would not be thermally deformed is uniformly heated from its outer surface by a burner 3, to hold the inner surface 2a of the tubular body 2 at a high temperature, and a facing material comprising hard steel is uniformly sprayed to the whole of the inner surface 2a through a spray nozzle 4 rotating along the arrow X and moving along the arrow Y to form a liner layer 5 havng wear-resistance. The liner layer is then cooled and solidified. Thereafter, the inner surface 5a of the linea layer 5 is treated by horning or rapping. Accordingly, the inner surface 2a can be uniformly heated at a high temperature, the facing material can be completely melted thereto, and the bonding between the liner layer 5 and the tubular body 2 can be completely performed.
Patent JP-H0346744-A (JP)
Title: Transmission electron microscope
Inventor: ISHIBASHI TAMOTSU
IPC: H01J37/22
Filed: 1989-07-14
Abstract: PURPOSE:To be able to observe an electron beam image even when photographic dry plates are renewed by fixing an image pickup element to the valve member of a gate valve mechanism, and then observing the electron beam image focused on an electron lens system through an image display unit in such a condition that the gate valve mechanism is closed. CONSTITUTION:Electron beams 5 passed through projection lenses 4 received in a lens barrel 1 are allowed to focus an electron beam image on a fluorescent screen 6 in an observation chamber 3. This electron beam image is converted into the corresponding optical image thereof to be observed through a glass 2. And a photographic chamber 7 is formed in the lower part of the observation chamber 3 to incorporate a magazine or the like receiving many photographic dry plates 8 therein so that a photograph can be taken while the photographic chamber is kept vacuous. A long time is required before a constant degree of vacuum is attained again posterior to the renewal of the dry plates 8 following the exhaustion of a stock of the dry plates 8 in the middle of photography. Then, a valve body 11 for a gate valve mechanism 10 and an image pickup element 12 are respectively installed at the interconnected portion of the lens barrel 1 and the observation chamber 3 to divide the lens barrel 1 from the observation chamber 3 via the valve body 11, so that the electron beam image is focused on the image pickup element 12 for giving the representation of the electron beam image to the viewing screen of an image display unit 14 by image pickup unit 13 and the image display unit 14.
Patent JP-S5884682-A (JP)
Title: High speed circumference welding for fixed tube
Inventor: FUJIMOTO TOMOYA
IPC: B23K9/028
Filed: 1981-11-14
Abstract: PURPOSE:To weld circumference of fixed tubes at high speed by backing V- groove directly with a copper plate and spray transferring droplet using an activated wire containing rare earth elements under Ar-CO2 gaseous mixture shield. CONSTITUTION:Fixed tubes to be welded are fixed to form V-groove, and directly backed with a copper plate having a forming groove inside. Welding is performed using an activated wire containing rare earth elements as a positive pole under Ar-CO2 gaseous mixture shield that contains Ar in large proportion. The droplet is spray transferred, and downward welding parted down in the middle is performed from the first layer. Then, the finishing layer is upward divided welded by inverted polarity. Thus, circumference of fixed tubes is welded at high speed.
Patent JP-S5883809-A (JP)
Title: Optical connector device
Inventor: SAEKI MASAHIRO
IPC: G02B6/38
Filed: 1981-11-13
Abstract: PURPOSE:To facilitate connecting an optical signal, by constituting an optical connector into a plug-in type to simplify attachment and detachment of a print board. CONSTITUTION:A shelf constitution consists of a shelf frame 2, press metallic jigs 10 and a back panel 4 on the back of the frame, a print board unit 3, etc. The back panel 4 attached to the back of the shelf frame 2 by press metallic jigs 10 is provided with a connector member 6 for electric signal and an optical connector, and the print board unit 3 is provided with a module 8 for transmission and reception of light, a connector 5 for electric signal, and a pilot pin 9. By this plug-in type constitution where the connector member 6 for electric signal and an optical connector 7 are mounted on the back panel 4, the print board is inserted very easily, and the conventional two-stage operation is not required.
Patent JP-H0932874-A (JP)
Title: Waved spring device
Inventor: KAWANABE KENJIRO
IPC: F16F1/32
Filed: 1995-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a waved spring device which allows the use in a close contact and secures sufficient strength by forming projections and recessions on a circular base with a specified pitch in a circumferential direction, and satisfying a specified formula regarding the minimum radius of curvature of each of the projections and recessions. SOLUTION: A waved spring device has a circular base 5 on which a plurality of projections and recessions 6 are formed with a specified pitch. The projections and recessions 6 are prepared by continuously and alternate forming circular arcs, that is, projections 6a and recessions 6b each having the same radius of curvature. A minimum radius of curvature R1 of the projections and recessions 6 satisfies a formula 1. With such structure, the device can be arranged in a small space since the projections 6a and recessions 6b, being compressed to be flat, are not broken, allowing high load application. In the case that a strip-like material is bent to form the device, an abutting surface of the waved spring device can be arranged parallely to an object to be abutted.  Surface abutting is allowed, so that increase of the pressure generated between both is suppressed, while both the device and the object are prevented from breaking.
Patent JP-H0934903-A (JP)
Title: File retrieval device
Inventor: KOJIMA NORIHISA
IPC: G06F17/30
Filed: 1995-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a file retrieval device capable of easily storing information written in documents or the like and easily and surely performing retrieval. SOLUTION: This device is provided with an image input means 1 for inputting characters, symbols and graphics as image data, a storage means 2 for storing the image data read by the image input means 1 as they are as the image data, a display means 3 for displaying the image data in the form of a file with an index for displaying one piece of the image data on one page, a range specifying means 4 for specifying the prescribed part of the image data displayed by the display means 3 as a range, a character recognition means 5 for converting the array of picture elements within the range specified by the range specifying means 4 to character data and an editing means 7 for editing the character data converted by the character recognition means 5 as the character data.
Patent JP-H0347360-A (JP)
Title: Joint construction of panel
Inventor: TOMITA SEIICHI
IPC: E04F13/08
Filed: 1989-07-13
Abstract: PURPOSE:To facilitate execution and to promote waterproofing efficiency and heat insulating efficiency by fitting one panel which is fixed to a ground to one holding section of a back batten having a deformed U-shaped section, and fitting the other panel to the other holding section. CONSTITUTION:A panel 1 having a sandwich construction constituted of a metal surface member 2, heat insulating materials 8 used for heartwood and a metal rear member 9 is fixed to a setting bed alpha at a longitudinal side end section. After that, one side end section of the panel 1 is fitted to one holding section having a U shaped section of a longer back batten 12 having a deformation U-shaped section under the elasticity to cover. Then, after the horizontal surface of the lower end of the back batten 12 is fixed to the setting bed alpha, the side end section of an adjacent panel 1' is fitted to the other holding section having a U-shaped section of the back batten 12 to fix to the setting bed alpha. Continuously, joint cover fixtures 17 are fixed on projected pieces 5 and 5' of both panels 1 and 1', and joint covers 23 are fitted and loaded on them under the elasticity. According to the constitution, layout of the back batten 12 is not required, and work efficiency can be promoted.
Patent JP-S6425296-A (JP)
Title: Coin inspection for coin selector
Inventor: MATSUMOTO SADAO
IPC: G07D5/08
Filed: 1987-07-21
Abstract: PURPOSE: To always set a proper reception range to a true coin by appropriately changing the reception range of the coin according to the change with or the change of drift, etc. CONSTITUTION: While a coin to be inspected thrown-in from a coin throw-in port 2 is rolled along a coin rail 3 so as to pass respective sensors 4-6, a data processor 13 discriminates material, thickness and diameter and opens a coin gate 15 at the time of proper coin. When the data processor 13 judges that the inspected coin is fake one, it keeps the coin gate in a closed state. The data processor 13 corrects the reception range of the coin by coin data which is obtained from the inspected coin satisfying a reference value.