baber/WOPTO huggingface dataset:
Patent JP-H07180981-A (JP)
Title: Heat-exchanger
Inventor: HORI TATSUJI
IPC: F28D7/06
Filed: 1993-12-24
Abstract: PURPOSE:To reduce the number of valves and pipings, to perform a rapid maintenance inspection work, and to reduce an equipment cost and a repair cost CONSTITUTION:A main hole 20 having an upper end opened in an up state and a lower end extending approximately to the intermediate part in the direction of thickness of a water chamber drum 8 is formed approximately in the central position of the water chamber 8 of a heat-exchanger. Further, an approximate inverted Y-shaped vent hole 23 comprising a branch hole 21 on the inlet side communicated with a water chamber 10 on the secondary fluid inlet side in the water chamber drum 8 having an upper end communicated with the main hole 20 and a lower end communicated with a water chamber 10 on the secondary fluid inlet side in the water chamber drum 8; and a branch hole 22 on the outlet side having an upper end communicated with the main hole 20 and a lower end communicated with a water chamber 11 on the secondary fluid outlet side in the water chamber drum 8 is formed approximately in the central position of the lower end of the water chamber drum 8, and a main hole 24 having a lower end opened in a downward direction and an upper end extended approximately to the intermediate part in the direction of thickness of the water chamber drum 8. Moreover, an approximately Y-shaped drain hole 27 is formed, the drain hole consisting of a branch hole 25 on the inlet side having a lower end communicating with the main hole 24 and an upper end communicated with the water chamber 10 on the secondary fluid inlet side in the water chamber drum 8 and a branch hole 26 on the outlet side having a lower end communicated with the main hole 24 and an upper end communicating with the water chamber 11 on the secondary fluid outlet side in the water chamber drum 8.
Patent JP-H01231952-A (JP)
Title: Method for recovering fine-grain metal powder from dust collection powder containing metal powder
Inventor: HATSUYA EIJI
IPC: B02C19/00
Filed: 1987-12-25
Abstract: PURPOSE:To inexpensively produce fine-grain metal powder by striking metal powder-contg. dust collection powder against a blow plate by entraining said powder in compressed air or gaseous flow, then removing the stripped and pulverized impurities thereof by gas classification and repeating the above- mentioned operations. CONSTITUTION:The fine powder is supplied from a dry fine powder hopper 13 to a supplying machine 14 and is press-fed by a pipeline 12 for the compressed air 11 into a grinding chamber 15. More specifically, converter OG dust is supplied from the machine 14 into the compressed air 11 and is ejected from a nozzle 16. The ejected converter OG dust collides against the blow plate 17 and the impurities sticking to the iron particles are impact-ground and are separated. The separated impurities ascend in a flow passage 18. The impact-ground converter OG dust is supplied to a cyclone 19 where the iron particles and the finely ground impurities are separated. The iron particles are discharged from the bottom of the cyclone 19 and are made into a product 9 by switching of a damper 20.
Patent JP-H03186812-A (JP)
Title: Light source device for liquid crystal
Inventor: SHINOZAKI TAKASHI
IPC: G02F1/1335
Filed: 1989-12-18
Abstract: PURPOSE:To obtain a large light quantity with inexpensive and simple constitution by providing a light separating means which separates the light of a light source by each polarization angle, polarization adjusting means which uniformize the polarization angles of the separated respective light rays and a light synthesizing means which synthesizes the light rays uniformized in the polarization angles. CONSTITUTION:The light separating means 52 which separates the light of the light source 12 by each polarization angle, the polarization adjusting means 58, 60 which uniformize the polarization angles of the separated respective light rays and the light synthesizing means 62 which synthesizes the light rays uniformized in the polarization angle are provided. Namely, the light outputted from the light source 12 is separated by each polarization angle and the polarization of at least one light ray is so executed that the polarization angles of the separated light rays coincide. The light rays uniformized in the polarization angles are supplied to a liquid crystal. The large light quantity is obtd. with the inexpensive and simple constitution in this way.
Patent JP-H08185426-A (JP)
Title: Designing method for unit building and cad system for unit building
Inventor: KURITA KAZUKI
IPC: G06F17/50
Filed: 1994-12-28
Abstract: PURPOSE: To provide a designing method for unit building and CAD system for unit building which can flexibly and speedily deal with even a considerable design change as well, especially, can efficiently perform unit arranging work even when there are a lot of kinds of units. CONSTITUTION: The CAD system for unit building is composed of a basic design system S20 for preparing basic design information to designate the specifications of buildings including unit arrangement and a production preparation system for preparing production design information including a concrete specification for each building unit and the basic design system S20 is provided with a basic unit input part 10 for inputting a basic unit to be settled within a prescribed rectangular zone, additional unit input part 20 for inputting an additional unit to be provided additionally to the basic unit, and entrance area input part 41.
Patent JP-H02173134-A (JP)
Title: Rubber composition for tire tread
Inventor: KIKUCHI YASUSHI
IPC: C08L9/00
Filed: 1988-12-27
Abstract: PURPOSE:To obtain a rubber composition for tire tread having excellent abrasion resistance and braking property on wet road by compounding a (meth) acrylic acid-butadiene copolymer rubber with a natural rubber and/or a polyisoprene rubber and carbon black. CONSTITUTION:The objective rubber composition for tire tread can be produced by compounding (A) 100 pts.wt. of a rubber component consisting of (a) 20-60 pts.wt. of a copolymer rubber produced by emulsion polymerization process and composed of 0.1-1wt.% (preferably 0.2-0.5wt.%) of (meth)acrylic acid and 99.9-99wt.% of butadiene, (b) 40-80 pts.wt. of a natural rubber and/or a polyisoprene rubber (having a cis-1,4-bond content of >=90mol%) and (c) 0-25 pts.wt. of other diene rubber (e.g. styrenebutadiene copolymer rubber) with (B) 40-80 pts.wt. of carbon black (preferably HAF, ISAF, SAF, etc.) and, as necessary, (C) proper amount of rubber compounding ingredients.
Patent JP-2000145356-A (JP)
Title: Elastic packing and pit mouth sealing device
Inventor: SHINOHARA MITSURU
IPC: E21D9/06
Filed: 1998-11-18
Abstract: PROBLEM TO BE SOLVED: To provide an elastic packing and a pit mouth sealing device, which are manufactured easily and which have excellent sealing properties and durability. SOLUTION: The elastic packing 10 has an outer circumferential end 10b and an inner circumferential end 10a installed to a pit mouth such as a tunnel hole, and has a cubic shape extended in an umbrella shape extending over the outer circumferential end from the inner circumferential end. The elastic packing comprises a plate-shaped elastic raw material 11 formed in a contour shape obtained by developing the cubic shape, and is formed in the cubic shape by joining the open ends 11a, 11b of the elastic raw material 11.
Patent JP-H08184162-A (JP)
Title: Cover plate for floor panel of double floor
Inventor: TOYODA KOJI
IPC: E04F15/024
Filed: 1994-12-28
Abstract: PURPOSE: To ensure strenghth, and to prevent the coming-off and abnormal sound due to vibration or the like by arranging both fitting holes penetrated from the front to the rear and clips that are fixed to the fitting holes for retaining the cover plate bodies to the cutout parts of the floor panel. CONSTITUTION: The leg part of a clip 30 is inserted into the fitting hole 21 of a cover plate body 20, and a second engaging part 34 is abutted on the inner circumferential surface of the fitting hole 21 and is elastically deformed to the center side of the clip 30. Then, the clip 30 is pushed downwards so that the second engaging part 34 is drawn out from the fitting hole 21, and a first engaging part 33 is abutted on the inner circumferential surface of the fitting hole 21 so that it is elastically deformed to the center side of the clip 30. Thus, the leg part can be passed through the fitting hole 21. Then, the corner part of the first engaging part 33 is fitted to the lower end of the inner circumferential surface of the fitting hole 21, so that the clip 30 is connected to the cover plate body 20.  In succession, integrated clip 30 and the cover plate body 20 are pushed down from above into the cutout part 91 of a floor panel 90, so that the second engaging part 34 is pushed in the cutout part 91. Thereafter, the second engaging part 34 pinches the floor panel 90, so that the cover plate body 20 and the floor panel 90 are connected.
Patent JP-H10153149-A (JP)
Title: Fuel heating device in engine using heavy oil as fuel
Inventor: KAWAMURA HIDEO
IPC: F02M37/22
Filed: 1996-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a fuel heating device in an engine adopting heavy oil as fuel which utilizes exhaust gas energy for heating the heavy oil, and improving its fluidity. SOLUTION: In a fuel heating device of this type, heavy oil F is by a fuel injection pump 3 from a fuel tank 2 and injected from a fuel injection nozzle 4 into a combustion chamber. An exhaust gas passage 7 for discharging exhaust gas G from the combustion chamber is connected to a heat exchanger 6 arranged on the fuel tank 2 and a heat exchanger 5 arranged on the fuel passage 8. The heavy oil F at an outlet area 20 of the fuel tank 2 and passing through the fuel passage 8 is heated by exhaust gas energy. The heavy oil F is fluidized, and enabling injection of the heavy oil F from the fuel injection nozzle 4.
Patent JP-H11163489-A (JP)
Title: Mounting structure of electronic component
Inventor: OMORI KOICHI
IPC: H05K1/11
Filed: 1997-11-28
Abstract: PROBLEM TO BE SOLVED: To provide a mounting structure of a BGA package which facilitates checking electrical connection in high-density mounting at low cost, through simplified manufacturing processes. SOLUTION: In a mounting structure, an electronic component 1 with a sealed semiconductor element and a plurality of projected metal bump electrodes in a lattice form on a rear face thereof is connected to a multi-layered printed circuit board 3 via a metal bump electrode 2. A the bump connecting pads 4 of the multilayered printed circuit board 3 to be connected to the metal bump electrode 2 of the electronic component 1 are made as through via holes 51. As the multilayered printed circuit board 3, a checking pad 10 at the through via hole 51 on the opposite side of the electronic component mounting face thereof for connecting the metal bump electrode 2 of the electronic component 1.
Patent JP-H04196592-A (JP)
Title: Laser driving device
Inventor: ENOMOTO AKIHIKO
IPC: G11B7/125
Filed: 1990-11-28
Abstract: PURPOSE:To obtain a laser driving current required for another mode from the first time irrespective of the modulating system by deciding the laser driving current in the another mode on the basis of the variation of a monitor current corresponding to the variation of the laser driving current in a prescribed mode. CONSTITUTION:This laser driving device is provided with a difference calculation circuit 36 which calculates the output difference (a-b) between sample hold circuits 22 and 24, and a current calculation circuit 38 which converts the output (a-b) of the circuit 36 into its inverse number, makes calculation by multiplying the inverse number by a prescribed factor, and outputs the calculated result to a current drive circuit 17 as a power setting value. The writing is performed by making the calculation by means of the circuit 36 and divider 38 and actuating a switch 18 for generating write pulses with a write pulse, and then, adding the write pulse to a laser current at the readout time.
Patent JP-H10173176-A (JP)
Title: Semiconductor device
Inventor: OSHINO YUICHI
IPC: H01L29/739
Filed: 1996-12-09
Abstract: PROBLEM TO BE SOLVED: To reduce gate resistance and prevent decrease of breakdown voltage without deteriorating other characteristics. SOLUTION: In a semiconductor device, a drift region 6 of a first conductivity type, a plurality of base regions 4 of a second conductivity type which are formed from the surface of the drift region 6, a plurality of source regions 5 of a first conductivity type which are formed in the respective base regions, and an emitter electrode 10 are formed. An unit cell 14 of a stripe type is constituted of one gate electrode 1 which is linearly wired across the base regions via an insulating film 3, and the above respective elements, and many unit cells 14 are arranged in parallel. Intergate connecting means 21 which connect mutually gate electrodes of the unit cell 14 and the adjacent unit cell 14, and are so arranged that connection points are different in one side adjacent unit cell 14 and the other side adjacent unit cell 14, in the wiring direction of the gate electrode 1 are installed.
Patent JP-H04193676-A (JP)
Title: Colorlight signal
Inventor: KAWAGUCHI AKIRA
IPC: G08G1/095
Filed: 1990-11-28
Abstract: PURPOSE:To obtain luminosity several times those of conventional colorlight signals while preventing false signals from appearing due to reflection of sunlight by installing a reflecting plate on the back side of a signal lamp, and also providing a liquid crystal panel in such a manner as covering the outer surface of color glass, the liquid crystal panel having the property of being changed from opaque to transparent state at the application of a voltage. CONSTITUTION:In a railway colorlight signal equipped with a socket 3 having a signal lamp 2 detachably mounted in a lighting fitting main body 1 and color glass 4 attached to the opening of the lighting fitting main body 1, a reflecting plate 5 is installed behind the signal lamp 2 and also a liquid crystal panel 6 is mounted on the front side of the color glass 4 and the front of the panel 6 is covered with transparent glass 7. As the liquid crystal panel 6, such one is used which is usually opaque like ground glass because of irregularly arranged liquid crystal molecules in a capsule which form a liquid crystal sheet 5a but which becomes transparent as the liquid crystal molecules are aligned in one direction at the application of a voltage between conductive films 8, 8. Electricity is transmitted to the liquid crystal panel 6 simultaneously with lighting of the signal lamp 2 and signals are produced by coloring of the color glass 4.
Patent JP-H01171444-A (JP)
Title: Packing method
Inventor: GOTO IKUO
IPC: A23L7/10
Filed: 1987-12-26
Abstract: PURPOSE:To obtain a packing bag capable of simply and rapidly carrying out packing of contents, by bending packing material having trapezoid shape obtained by diagonally cutting rectangle along the bending line crossing at right angles to upper base of the packing material from one end of the above- mentioned diagonally cut line and further bending the bent material twice along parallel. CONSTITUTION:A packing material 1 consisting of rectangular article of oblong plastic sheet is diagonally cut as shown in double chain lines. Then the resultant trapezoid-shaped packing material 1 is bent along a bending line 3 crossing at right angles to upper base of the packing material 1 from one end of the above-mentioned cut line 2. The packing material 1 is bent along a bent line 4 paralleling at definite intervals:l2 and bent along a bent line 5 tilt in the opposite direction at same angle as the cut line 2. Further, the packing material 1 is bent along a bent line 6 paralleling at definite intervals:l2 with the above- mentioned intervals to form a packing bag 15 whose one side is opened. Contents of triangular onigiri (rice ball), triangular sandwich, etc., are inserted from the opening 16 of the bag 15 into the bag 15 and the opening 16 is closed.
Patent JP-H09141222-A (JP)
Title: In-pipe monitor device for compressed gas insulated cable
Inventor: NAGAMATSU SHINYA
IPC: H02G5/06
Filed: 1995-11-22
Abstract: PROBLEM TO BE SOLVED: To provide an in-pipe monitor robot which is able to travel in a sheath pipe without being hindered by a columnar spacer supporting a conductor in a compressed gas insulated cable. SOLUTION: The in-pipe monitor robot 1 which has an in-pipe monitor camera 15 and an in-pipe foreign matter expelling nozzle 20 and executes photographing and monitoring and removing of foreign matter by traveling in the sheath pipe B by means of a push-pull rod for in-pipe movement is mounted at a circular frame 2 notched and opened in the lower part movably along the frame surface. When the in-pipe monitor robot 1 passes the columnar spacer D erected on the inside bottom part of the sheath pipe by traveling in the sheath pipe, the columnar spacer D is passed within the open part 3 in the lower part of the circular frame 2 opened in the lower part, by which the traveling is made possible without being hindered by the columnar spacer.
Patent JP-H04195671-A (JP)
Title: Chinese character input device
Inventor: TAKABE KEIKO
IPC: G06F17/22
Filed: 1990-11-28
Abstract: PURPOSE:To easily input even difficult KANJI (Chinese character) by performing retrieval using a combination of radicals constituting the KANJI, retrieving KANJI which can not be narrowed down by in combination with its reading or the number of strokes and inputting the KANJI. CONSTITUTION:A radical code retrieval part 15 which retrieves a radical dictionary 14 outputs plural corresponding radical codes when inputting the reading or the number of strokes of a radical and outputs plural radical codes constituting KANJI when inputting its KANJI code. A KANJI code retrieval part 17 which retrieves a KANJI dictionary 16 outputs plural corresponding KANJI codes when inputting the reading and the total number of strokes of KANJI and outputs plural KANJI codes including a radical when inputting its radical code. Then plural radical codes corresponding to featured radical patterns of KANJI to be inputted are inputted, a group of plural KANJI characters which are narrowed down according to the radical is displayed, and the corresponding KANJI is selected. Consequently, the easy and secure KANJI input is realized.
Patent JP-H04194625-A (JP)
Title: Infrared sensor
Inventor: NAKAMURA KUNIO
IPC: G01J1/04
Filed: 1990-11-27
Abstract: PURPOSE:To suppress centrifugal force due to high speed rotation in a closed state and also suppress a shift in a viewing azimuth and error in settings of an infrared sensor by integrating an objective reflection mirror with an infrared detector support unit so that they can reversely rotate. CONSTITUTION:An anti-armored cartridge 16 is launched while it is housed in a parent cartridge with a parachute 20 folded. At this time it flies while rotating at a high speed and then it, is discharged from the parent cartridge in the air and it opens a reverse concave reflection mirror 12 after the parachute 20 is opened. An infrared detector 11 is fixed in a support body integrally structured with the reflection mirror 12, and both reversely rotate together with a rotation axis 21 as the center. During dropping, its nose 19 points slantly downward and searches for an armored vehicle on the land by view field scanning of the detector 11. Since the detector 11 is designed to sense infrared rays 14 from a direction of a center axis 15 of the anti-armored cartridge 16, existence of the armored vehicle is sensed by detecting intense infrared rays from a high temperature part of the armored vehicle, and at the moment the detector 11 generates a signal for detonating a fuse 17. Then the nose 19 is launched by explosion of bursting charge 18 so that a target armored vehicle is hit.
Patent JP-H06146876-A (JP)
Title: Exhaust device for outboard motor
Inventor: NAKAYAMA MANABU
IPC: F01N3/04
Filed: 1992-11-13
Abstract: PURPOSE:To suppress entrance of external sea water into an exhaust expansion chamber and prevent a catalyst provided in an exhaust passage from being brought into contact with the sea water entering through at least a main exhaust passage. CONSTITUTION:An exhaust device for an outboard motor is constituted in such ways as arranging an engine 10 in an upper part of an outboard motor 1 installed on a hull 2, providing an exhaust expansion chamber 31 in the lower position of the engine 10, the first exhaust passage A, which communicates the engine 10 with the exhaust expansion chamber 31 and is opened inside the exhaust expansion chamber 31, and the second exhaust passage B, which communicates the exhaust expansion chamber 31 with an underwater exhaust outlet 51, and providing a reverse current preventing part B1, which is situated in an upper position than its surroundings setting its position as a border, in the middle of the second exhaust passage B in the higher position than the hull 2.
Patent JP-H04205848-A (JP)
Title: Dustproof structure of optical disk device
Inventor: ISHIKAWA TAKASHI
IPC: H05K5/02
Filed: 1990-11-30
Abstract: PURPOSE:To prevent dust particles from entering from a loading hole by a method wherein an elastic member is installed on the rear of a panel, it is usually brought into pressure-contact with the panel so as to close the hole, it is elastically deformed when a rod is inserted and the rod reaches a manual discharge mechanism part. CONSTITUTION:When a manual caddie discharge mechanism (EEJ) is used due to an electric trouble at the title device, a rod 4 is inserted from a loading hole 3 and EEJ spring 9 is deformed and removed to the direction of an arrow due to its elasticity. As a result, the rod 4 is not obstructed by the EEJ spring 9. The EEJ spring 9 is provided with a radius part, its contact with the rod 4 is kept in a point-contact manner and the rod if not hooked. When the rod 4 is pulled out, the EEJ spring 9 is restored elastically and the inside of the device is kept tightly sealed. Thereby, it is possible to obtain the device which can drive the EEJ mechanism, which has an effect to keep the inside of the device on a tightly sealed state and whose dustproof performance is excellent.
Patent JP-H08155968-A (JP)
Title: Washing of mold
Inventor: NISHIJIMA YUICHI
IPC: C23G1/00
Filed: 1994-12-02
Abstract: PURPOSE: To perfectly remove even a contaminant incapable of being removed by a hot alkali washing method such as metal sulfide in the washing of a mold used in the vulcanization molding of rubber. CONSTITUTION: A used mold is embedded in resin fine particles immesed in a surfactant aq. soln. and irradiated with ultrasonic waves to be washed.
Patent JP-H05142863-A (JP)
Title: Electrophotographic toner
Inventor: KANEKO GIICHI
IPC: G03G9/08
Filed: 1991-11-18
Abstract: PURPOSE:To provide a highly transparent colored toner excellent in fastness to heat and light and having high image quality and high durability by containing at least one of specified compounds as a coloring agent. CONSTITUTION:In an electrophotographic toner mainly containing a thermoplastic resin and a coloring agent, at least one of compounds represented by a formula is contained as the coloring agent. In the formula, R1 represents hydrogen, an alkyl group having 1-12 carbon atoms, or alkoxyalkyl group having 4-7 carbon atoms, X represents hydrogen or CN, R2-R6 each represent hydrogen, nitro group, chlorine, bromine, fluorine, cyano group, alkyl group having 1-4 carbon atoms, trifluoromethyl group, -COOR7, or -C-R7 (wherein R7 represents an alkyl group having 1-4 carbon atoms or a phenyl group). Such a coloring agent is particularly effective when the resin particle is colored, and a charge control agent layer can be formed on the colored resin particle surface without hindrance.