baber/WOPTO huggingface dataset:
Patent JP-S58138548-A (JP)
Title: Casting method
Inventor: HIRAYAMA FUJIO
IPC: B22D11/16
Filed: 1982-02-10
Abstract: PURPOSE:To improve the yield of products and casting efficiency, by minimizing the number of ingots which do not attain specified sizes. CONSTITUTION:The weight of the molten steel 2 in a tundish 1 is measured with a load cell 10, and the distances of ingots 8 from cutting machines 9 up to the preceding ends of the ingots are measured with position detectors 11 and are converted to the weights of the ingots. The number of product ingots 12 is counted with counters 13, and the respective measured values from the cell 10, the detectors 11 and the counters 13 are inputted respectivey to an arithmetic control device 14. The weight of the entire molten steel is determined from the weight of the molten steel per strand corresponding to the distance from the melt surface of the molten steel in a mold 6 up to the machines 9, and the number of the products ingots 12 that can be cut is determined from said weight of the entire molten steel and the weight of the product ingots 12. The number is distributed equally to the respective strands, and the remaining quantity is distributed successively by each one from the strands to be cast earliest in the specified number, whereby casting is accomplished.
Patent JP-2000220968-A (JP)
Title: Heating device of material to be forged
Inventor: MATSUDA MASAHIDE
IPC: B21J17/00
Filed: 1999-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a heating device of material to be forged wherein one heating furnace can effect preheating and production heating as well, and hence the length of the furnace can be made smaller, and materials can be efficiently heated to a temperature suitable to the forging thereof, while materials to be forged can be supplied at a rate corresponding to the forging cycle. SOLUTION: A passage 9 for preheating a material A to be forged and a passage 8 for production-heating the material A are provided in a heating furnace 1. The material A is forced into the passage 9 from a receiving side end and preheated, and thereafter the material A is pushed out of the passage 9 and forced into the passage 8 from the receiving side end so as to be finally heated.
Patent JP-S58138514-A (JP)
Title: Producing device of composite wire rod
Inventor: MIYAKE YASUHIKO
IPC: B21C1/00
Filed: 1982-02-10
Abstract: PURPOSE:To provide a titled device which can produce composite wire rods continuously at a high speed with simple constitution by supplying a core wire into a fluid-lubricated drawing die, and supplying a metallic powder material softer than the core material under pressure by means of grooved wheels. CONSTITUTION:A steel wire 1 which is a core material is supplied through the guide hole 4a of a guide die 4 into a fluid-lubricated drawing die 5 consisting of the 1st working part of 0-10 deg. die angle alpha and the 2nd working part of 5- 30 deg. die angle beta. On the other hand, an Al powder material 6 which is a coating material is supplied the endless grooves 2a, 3a provided on the circumferential edges of the grooved wheels 2, 3 provided on both sides of said wire 1 so as to face each other under rotation in the arrow direction. The material 6 is supplied under pressure into the space 8 between the die 4 and the die 5 by means of the rotating wheels 2, 3 and the die 4 and is drawn together with the wire 1 into the die 5. The wire is shaped firmly in the 1st working part and is then worked to the diameter of the die in the 2nd working part, whereby an aluminum coated steel wire 9 wherein the outside diameter of the wire 1 1 is coated with Al is obtained.
Patent JP-2000220945-A (JP)
Title: Open showcase
Inventor: KAGAMI YOSHIO
IPC: F25D17/08
Filed: 1999-01-28
Abstract: PROBLEM TO BE SOLVED: To enhance cooling performance at the corner of front fringe part. SOLUTION: In an open showcase 30 for cooling fresh foods contained in a compartment 43 and protecting against outer air temperature by forming an air curtain B from the rear fringe parts 31, 32 to the front fringe parts 41, 42, the rear fringe part 31 corresponding to an air outlet 46 is set higher than the front fringe parts 41, 42, chill outlets 46, 47, 48 are made at the rear fringe part 31, in the vicinity of the corner 44 of the front fringe part 41, and at the front fringe part 42 and a chill inlet 45 is made at other part of the front fringe part 41.
Patent JP-H07227105-A (JP)
Title: Hydraulic system of tractor
Inventor: TAKEMURA TOSHIHIKO
IPC: F15B11/16
Filed: 1994-02-17
Abstract: PURPOSE:To provide a hydraulic system having a less expensive structure capable of freely changing, with a little manpower, a hydraulic circuit from the state of the case where a front loader and a back hoe are not attached to that where the front loader and the back hoe are attached. CONSTITUTION:A hydraulic apparatus 5 is equipped with the first block 13 provided with the first oil route 17 which is connected to a relief oil route 19 and through which a pressure oil is supplied from a hydraulic pump 22 and the second oil route 18 which is connected to an oil-supplying route 25. The first block 13 is provided with an oil route 31 which is connected to the first oil route 17 and oil-pressure control valves 7, 9 of a front loader and a back hoe which are detachably attached on a tractor vehicle, and a spool. The spool 15 is provided with a switching oil route 28 which freely switches on-off of the flow of a pressure oil from the oil route 31 to the second oil route 18 by the rotational operation of the spool 15 around the axis.
Patent JP-H01226718-A (JP)
Title: Basic aluminum chlorosulfonate, and its production and application thereof as flocculant
Inventor: JIYANNPIEERU KIYUEERU
IPC: C02F1/52
Filed: 1989-01-30
Abstract: A basic aluminium chlorosulphate whose basicity is between 45 and 70 % and in which more than 80 % of the SO4<2><-> ions are complexed. This product is prepared by reaction of calcium carbonate with an aluminium chlorosulphuric solution. This product can be used for coagulating and flocculating suspended matter in water, in particular with the aim of preparing potable water. An advantage of the product of the invention is that it leaves very little residual aluminium in the water produced.
Patent JP-S62178430-A (JP)
Title: Four-wheel drive system
Inventor: MATSUMOTO YASUHEI
IPC: B60K17/35
Filed: 1986-01-31
Abstract: PURPOSE:To simplify a differential lock mechanism in structure, by installing two sets of claw clutches, while making them so as to secure two types of 4WD and 2WD running modes with a center differential capable of direct cou pling and differential locking, and making modes applicable to various driving conditions. CONSTITUTION:A transfer gear 26, where output of a transmission 3 is inputted, is connected to a carrier 44 of a planetary gear having a center differential function, and each power transmission from a ring gear 42 of the planetary gear 40 to front wheels and from a transfer shaft 27 to rear wheels is constitut ed. And, a viscous coupling for differential lock use is installed between a sun gear 41 and the ring gear 42 of the planetary gear 40. In addition, a first claw clutch 50 is installed between the transfer gear 26 and the transfer shaft 27 and a second claw clutch 55 between the sun gear 41, the ring gear 42 and the transfer shaft 27, respectively. Therefore, selecting a running mode of two types of 4WD and 2WD (FF) with a center differential capable of direct coupling and automatic differential locking, it is applicable to various driving conditions.
Patent JP-H04259297-A (JP)
Title: Out of stock detection device of tape feeder
Inventor: AZUMA MASAYUKI
IPC: H05K13/02
Filed: 1991-02-14
Abstract: PURPOSE:To foresee out of stock of electronic parts by detecting a winding around remainder of an electron parts housing tape wound around a feeding reel. CONSTITUTION:A luminous element 13 irradiating light toward an electronpart housing tape 4 wound around a feeding reel 3 and a light-receiving element 14 receiving said light are provided. When light emitted from the luminous element 13 is shielded the tape 4 so as not to be incident on the light-receiving element 14, a winding around remainder of the tape is large. Further, when said light is received by the light-receiving element 14, the remainder of the tape 4 is small so that electronic parts come to be soon out of stock.
Patent JP-S55114892-A (JP)
Title: Enclosed type motor compressor
Inventor: SESHIMO KOUJI
IPC: F04B39/02
Filed: 1979-02-26
Abstract: PURPOSE: To decrease bearing area to reduce the friction loss by providing a crescent-shaped recess at a part of the crank shaft to enlarge the gap at the opposite side of the loading surface of each bearing connected part.  
     CONSTITUTION: The crank shaft 6 rotated together with the rotor 5 of the motor part 3, and each of the upper bearing 17, lower bearing 12, and rod large end part 20 functions as the bearing. By providing a crescent-shaped recesses 23, 24, 25 at a part of the inside of the bearing or the crank shaft 6 at each bearing working part at the opposite side of the surface which is loaded by the compressing force of the piston 22, the bearing area can be reduced without deteriorating the bearing capacity. Being thus constituted, the friction loss at the bearing working part can be reduced, and the power saving effect can be obtained. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H10203874-A (JP)
Title: Silicon nitride-based complex sintered body and its production
Inventor: MITOMO MAMORU
IPC: C04B35/626
Filed: 1997-01-20
Abstract: PROBLEM TO BE SOLVED: To obtain a complex sintered body complexly organized by a process similar to a usual one by specifying an average particle size of silicon nitride particles and bringing silicon oxide nitride particles to columnar particles specified in an average particle size and an aspect ratio in a silicon nitride-based complex sintered body consisting of the β-type silicon nitride particles, the silicon oxide nitride particles and an intergranular phase and having a specific relative density. SOLUTION: This complex sintered body of silicon nitride consists of 60-95wt.% of β-type silicon nitride particles, 3-25wt.% of silicon oxide nitride particles and 2-15wt.% of an intergranular phase and has >=95% relative density. In the sintered body, an average particle size of the silicon nitride particles is <=0.45μm, an average particle size of the silicon oxide nitride particles is 0.5-3.0μm and the silicon oxide nitride particles are columnar particles having >=4 aspect ratio. This silicon nitride-based complex sintered body is obtained by baking 75-97wt.% of fine powdery silicon nitride having >=20m<2> /g specific surface and >=85% β factor with adding a baking assistant containing >=1wt.% of silica and >=0.1wt.% of Y2 O3 or Al2 O3 .
Patent JP-H11218246-A (JP)
Title: Unloading valve
Inventor: ISHIZAKI NAOKI
IPC: F16K17/04
Filed: 1998-02-02
Abstract: PROBLEM TO BE SOLVED: To provide an unloading valve which can provide an unload starting pressure according to the discharging amount of a hydraulic pump. SOLUTION: An auxiliary hydraulic pump 36 is driven by an engine 35 to drive the first hydraulic pump 1, a throttle 38 is provided in the discharge route 37 of the auxiliary hydraulic pump 36, and an unloading valve is pressed to a cutoff position by the differential pressure of the upstream side pressure and the downstream side pressure of the above throttle 38, so as to press the unloading valve to the cutoff position, by the force proportional to the rotating speed of the engine 35. As a result, the unload starting pressure can be made in a pressure corresponding to the discharging amount of the hydraulic pump.
Patent JP-S55114714-A (JP)
Title: Form on slope and constructing method of the same
Inventor: YAMAMOTO KIYOSHI
IPC: E02D17/20
Filed: 1979-02-24
Abstract: PURPOSE: To facilitate the transportion to the job site by means of a ring formed by bending a long-sized straight member so that the size of the ring is adjustable to match the gradient of the slope in a ring body for slope protection.  
     CONSTITUTION: A long-sized straight material is bent to form a ring 3. The rings 3 thus formed are mounted on the face A of slope with the circumference thereof contacting each other. Forms 4 formed both inside and outside the rings 3 are filled with cobbles, crushed stone, sand, soil and the like. Planting is made as required. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S63190299-A (JP)
Inventor: ISHII NOBUO
IPC: H01L21/302
Filed: 1987-01-31
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04340215-A (JP)
Title: Junction method of semiconductor substrate
Inventor: OKABAYASHI OSAMU
IPC: H01L27/12
Filed: 1991-01-23
Abstract: PURPOSE:To obtain the whole surface junctioned silicon substrate containing no void at all by removing the particles adhering to the silicon substrate surface in the steps preceding to the junction step of the silicon substrate. CONSTITUTION:The oxide film on the surface of a silicon substrate 1 taken out of an oxidation furnace is etched away in the depth of several tens of angstroms (Angstrom ); the eched away silicon substrate 1 is cleansed with pure water; the cleansed silicon substrate 1 is spin-dried; the spin-dried substrates 1 are laminated to be heat-treated at high temperature before the surfaces thereof are completely dried up.
Patent JP-H03225567-A (JP)
Title: Optical card recognizing device
Inventor: USUI TOSHIYUKI
IPC: G06T7/00
Filed: 1990-01-31
Abstract: PURPOSE:To obtain the high recognition rate and coincidence rate of a card pattern by detecting the card pattern of an optical beam reflected on the surface of the card and storing respective segments constituting the card pattern in a register data memory. CONSTITUTION:The card pattern detected by a photodetecting means 6 is compared with a card pattern stored in a storage circuit 11. A collation deciding part 12 compares the segments of the card pattern sent through a register switch 9 with that of the card pattern stored in the circuit 11, and when the fixed number of segments constituting the card pattern coincide with each other, generates a coincidence signal. When the coincidence can not detected, the deciding part 12 rotates the information sent from the means 6 or the circuit 11 by 90 deg. and compares the rotated information with the information. Even if an operator sets up a card 5 on a supporting plate 4 at an different angle, the deciding part 12 automatically rotates the pattern of the card 5 and compares the pattern of the rotated card 5 with the pattern stored in the circuit 11. When both the patterns do not coincide with each other, the sent information is rotated by 90 deg. angle three times or more to compare the information.
Patent JP-H10218520-A (JP)
Title: Burglarproof operation device for elevator
Inventor: SAKURADA HIROAKI
IPC: B66B5/00
Filed: 1997-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a burglarproof operation device for an elevator, which prevents a crime by forcibly stopping an elevator at a specific floor while preventing an occupant in the car from intentionally closing the door for the purpose of escaping to another floor by the elevator. SOLUTION: A burglarproof operation device for an elevator is adapted to check the application of signals from a door close button CB1 in the car of an elevator to a door close command circuit 2 with a normally closed contact FLb in a relay FL adapted to operate upon the detection of the stoppage of the elevator at a specific floor as well as to establish the application of signals from a door close button CB2 in the hall of the specific floor to the command circuit 2 with a normally open contact FLa1 in the relay FL. In that state, the operation device also informs an occupant in the car that the door close button does not function with an alarm D.
Patent JP-S56119908-A (JP)
Title: Regenerative amplifying circuit
Inventor: WATAYA YOSHIZUMI
IPC: G11B20/06
Filed: 1980-02-25
Abstract: PURPOSE: To improve S/N at the while peak point and decrease waveform distortions with virtually no degradation of S/N in the flat part by providing the 2nd resonance circuit and providing the frequency amplitude characteristics as if a double tuning circuit is formed as the entire part of a regenerative amplifier.  
     CONSTITUTION: The tranfer function G(s) of the rsonance circuit shown in fig. A is expressed by the separate formula. Hence, the resonance frequency f r1  is determined by L, C and the Q of the resonance circuit by R if L, C are determined. The resonance frequency f r1  is set at the frequency f e  corresponding to the white crip point where the reproduction level lowers. The signal read out in this way is amplified with a regenerative amplifier 5, thereafter, it is inputted to the 2nd resonance circuit 6. The constitution of the 2nd resonance circuit 6 is similar to the resonance circuit shown in the fig. A, wherein the resonance frequency f r2  is set lower than the head resonance frequency f r1  and approximately near the average video signal level, and the Q of the resonance circuit is so set that the combined amplitude characteristics with the head resonance circuit are approximately flat between f r1  and f r2 . 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H11219950-A (JP)
Title: Manufacture of semiconductor integrated circuit and manufacturing device thereof
Inventor: MOCHIZUKI YASUHIRO
IPC: H01L21/205
Filed: 1998-02-03
Abstract: PROBLEM TO BE SOLVED: To fill an insulating film into a groove part of a high aspect ratio without a void by a method wherein the inner surface of the groove formed in a substrate and the surface layer of a lower wiring are coated with a silion film, the silicon film is oxidized to modify the silicon film into a film being formed using a silicon oxide film as its main component and these processes are again repeated according to the need. SOLUTION: A silicon oxide film 20 and lower wiring layers 30 containing aluminium as their main component are formed on a silicon wafer 10. Then, a first layer silicon film 41 is deposited on the film 20 and the layers 30. Then, a silicon film 40 is oxidized and is modified into a silicon oxide film 42. Then, a silicon film 43 is again deposited on this film 42. Then, the film 43 is again oxidized using a plasma and is modified into a silicon oxide film 44. The surface layer of a silicon film 45 is made to flatten 50 by an ultraprecise chemical and mechanical polishing. Thereby, it becomes possible to fill completely an insulating film in a substrate of a semiconductor device, a narrow wiring and a groove of a high aspsect ratio and the high reliability of the insulating film and the wiring layer 30 is ensured.
Patent JP-H04261894-A (JP)
Title: Synthetic wax
Inventor: KITAMURA TADASHI
IPC: B41M5/30
Filed: 1991-02-15
Abstract: PURPOSE:To obtain synthetic wax having properties near to those of natural carnauba wax by reacting specific amino alcohol or aminoalkyl alcohol and carboxylic acid or a carboxylic acid derivative. CONSTITUTION:Synthetic wax being a crystalline solid at room temp. is obtained by reacting a compound represented by formula I (wherein X is a hydrogen atom, a 2-4C lower alkyl group or a phenyl group, R1 and R2 are a 2-10C alkylene group, a phenylene group, a phenylalkyl group or an alkylene ether group and Y is an amino group or an amino acid group) with carboxylic acid represented by formula II (wherein Z is a 12-23C alkyl group or a naphthyl group) or a derivative thereof at below 250 deg.C.
Patent JP-2000220350-A (JP)
Title: Casing frame for opening
Inventor: TAKASHIMA KYOYA
IPC: E06B1/60
Filed: 1999-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a casing frame for an opening which makes it possible for one person to assemble vertical and lateral frame materials by one-touch operation and to fix them in the opening. SOLUTION: A vertical frame material and a lateral frame material 2 are provided and a slit in an indoor-outdoor direction is provided in a depth wall 3 of one 10 of the vertical frame material and the lateral frame material 2, while a projecting part is provided on the end face in the longitudinal side of the other 20. The projecting part is provided with a fitting groove in the indoor-outdoor direction. The frame materials are fixed in an opening H in an assembled state wherein the end face in the longitudinal direction of the other frame material 20 is brought into contact with the depth wall 3 of one frame material 10 and wherein the projecting part pierces the slit and the depth wall 3 is fitted in the fitting groove in the indoor-outdoor direction.
Patent JP-H04260092-A (JP)
Title: Video signal processing circuit for liquid crystal display device
Inventor: TAKAHASHI ATSUSHI
IPC: G09G3/36
Filed: 1991-02-15
Abstract: PURPOSE:To improve the gradation reproducibility by correcting the linearity of the electrooptic characteristics of liquid crystal and a gamma characteristic for a cathode-ray tube. CONSTITUTION:Input analog video signal are converted by an A/D converter circuits 6-8 into digital video signals, which are outputted to video signal correcting ROMs 9-11. In the ROMs 9-11, the addresses and stored data are related so as to correct the nonlinearity of the electrooptic characteristic of the liquid crystal and the gamma characteristic for the cathode-ray tube. Therefore, when the digital video signals are inputted to the address terminals of the ROMs 9-11, corrected digital signals are obtained at their output terminals. Those are converted by D/A converter circuits 12-14 into analog video signals, which are supplied to a liquid crystal panel.
Patent JP-H02297892-A (JP)
Title: Electromagnetic induction heater
Inventor: PIITAA JIYON HEIZU
IPC: H05B6/10
Filed: 1990-01-31
Abstract: PURPOSE: To produce an uniform temperature distribution by heating a metal strip conductively by variable magnetic field produced by a coil while controlling a throat shape so that it matches to a cross section of the metal strip. CONSTITUTION: While controlling a throat shape by coil control means 94 combined with a coil 12 so that it matches to a cross section of a metal strip 26, the metal strip 26 is conductively heated by moving it gradually in variable magnetic field produced by the coil 12. As a result, as for the metal ship 26, a wide range of sizes and materials can be easily fitted and regardless of gauge, flatness, shape and position change of the strip, the metal ship 26 can be heated lengthwise and breadthwise by an uniform temperature and speed.
Patent JP-H02200105-A (JP)
Title: Guiding apparatus for mobile farm machine
Inventor: KANEFUJI YUJI
IPC: G05D1/02
Filed: 1989-01-30
Abstract: PURPOSE:To enable quick and accurate control of the direction and distance of a mobile farm machine by providing a mobile farm machine with a direction control sensor capable of detecting the accurate coincidence of the machine direction of the farm machine to the direction of the predetermined course and controlling the direction of the machine. CONSTITUTION:When a mobile farm machine 1 is moving along the predetermined course (a) at a predetermined distance Y while accurately keeping the machine direction, the steering of the machine tends to be deflected to the right or loft by the unevenness of the lawn, etc., to deflect the machine direction of the farm machine 1 righthand or lefthand from the predetermined course (a). The deviation is detected by a direction control sensor 6 before the detection by a distance-control sensor 4. Accordingly, the machine direction of the mobile farm machine 1 can be corrected to the predetermined direction along the predetermined course (a) by the steering control output in quick response.