baber/WOPTO huggingface dataset:
Patent JP-H0238937-A (JP)
Title: Leak detecting device for pressure container
Inventor: MIYABE KEISUKE
IPC: G01M3/24
Filed: 1988-07-29
Abstract: PURPOSE:To decide whether or not there is a leak by comparing signals of >=3 acoustic sensors fitted on the external wall of a pressure container with normal signals and to identify the position of the leak from an arrival time difference between every two combined acoustic signals. CONSTITUTION:The outputs of the acoustic sensors 2a-2d fitted on the external wall 1 of a condenser body are sent to preamplifiers 3a-3d and main amplifiers 4a-4d, whose outputs are sent to a leak decision device 8 and compared with a previously set threshold value to decide whether or not there is a leak. The signals from the main amplifiers 4a and 4b, and 4c and 4d are inputted to mutual correlation analyzing devices 5a and 5b, whose outputs, i.e. acoustic signal arrival time difference signals 6a and 6b are used by a leak position identifying device 7 to identify the position of the leak. Consequently, the leak occurrence is detected and its position is securely identified without stopping the plant.
Patent JP-S5979365-A (JP)
Title: System for controlling history memory
Inventor: AKIMOTO HARUO
IPC: G06F11/34
Filed: 1982-10-29
Abstract: PURPOSE:To prevent the storage capacity of a history memory from increasing and at the same time, to improve the efficiency of the rearrangement work, by determining the conditions for recording the working condition of a system constituting device in the history memory by means of an external control device. CONSTITUTION:A combinational logic circuit 3 which determines whether a working condition is to be stored in a history memory 6 or not by a combinational logic against plural control signals A generated by a system constituting device, is provided. The combinational logic against the plural control signals A is executed in accordance with the controlling conditions stored in a register and recording of working condition signals is performed. Therefore, unnecessary recording of the working condition can be eliminated.
Patent JP-H0742973-A (JP)
Title: Vortex tube type air conditioning apparatus
Inventor: SUZUKI SEIICHI
IPC: F25B9/04
Filed: 1993-07-30
Abstract: PURPOSE:To achieve further cooling efficiency by a method wherein air from a vortex tube is heat changed with air in a heat exchange duct by means of a heat exchanger while air from a space to be conditioned is heat exchanged with air in the vortex tube to be discharged outside. CONSTITUTION:An air suction port 14 and an air diffuser 16 are formed on a wall surface 10 of a control disc and a heat exchanger 22 is interposed in a heat exchange duct 20 so arranged to connect the ports communicating and a chilled air takeoff port of a vortex tube 24 is connected to the heat exchanger 22 through a piping 45. In the heat exchanger 22, air conditioned flowing through a heat exchange duct 20 is heat exchanged with chilled air from the vortex tube 24 and the chilled air dehumidified is reintroduced into a panel from the air diffuser 16. A heat exchange chamber 39 is formed on the hot side of the vortex tube 24 and air from the inside of the panel is introduced into the heat exchange chamber 39 to be subjected to a heat exchange on the hot side. The air subjected to the heat exchange from the vortex tube 24 is introduced into the panel from a muffler 47.
Patent JP-H0355935-A (JP)
Title: Node equipment for communication network
Inventor: YANO TAKASHI
IPC: H04L12/44
Filed: 1989-07-25
Abstract: PURPOSE:To avoid erroneous readout at a terminal equipment by outputting a signal of a high-order direction input port means to all low-order direction output port means at a prescribed time when a signal exists in the low-order direction input port means and a signal is inputted later to the high-order direction input port means. CONSTITUTION:When an input exists in an optical data link receiver O/Erl of a low-order direction input port LPR 5a, for example, and a broadcast is given from a high-order direction port UTP 4b and other low-order direction port LTP 5b and there is an input to a high-order direction port URP 4a, a flip-flop 30 is set. Then its output Q' resets AND gates 44, 56 to stop the broadcast. Then the input signal of the URP 4a is broadcast from the LTP 5a after a prescribed time lapses. Since erroneous reading by a signal 11 at a terminal equipment is avoided, the reliability of the network system is improved. Since no long consecutive 1s signal is not outputted, the degree of freedom and the practicability of a cable used for a link are enhanced.
Patent JP-H0633428-A (JP)
Title: Method and apparatus for cleaning water-permeable pavement
Inventor: NODA MASANAO
IPC: E01H1/10
Filed: 1992-07-17
Abstract: PURPOSE:To effectively and easily regenerate a water-permeable pavement whose voids are clogged. CONSTITUTION:The surface 15 of a road whose voids are clogged with dust particles is coated with a hydrogen peroxide solution by a solution supplyer 13, and after the lapse of a certain period of time, particles are floated up to the road surface 15 by the lifting action of gases separated from the hydrogen peroxide solution permeated into the road surface 15. While spreading water from a watering cart 12 to the road surface 15 to clean up the surface 15 by wire brushes 10, the particles are arrested by a suction device 2 and at the same time the water containing the particles are recovered by the suction device 2. The water containing particles is degassed in a separator tank 3, and dewatered in a dewatering device 6. The water is filtered, returned to a water tank 5, and to be reused.
Patent JP-H0940610-A (JP)
Title: Production of methyl formate
Inventor: EBATA HIDEJI
IPC: C07B61/00
Filed: 1995-07-26
Abstract: PROBLEM TO BE SOLVED: To obtain methyl formate useful as a solvent, etc., under industrially advantageous reaction conditions in extremely high selectivity by carrying out reaction in the presence of a specific oxide catalyst. SOLUTION: Methanol is reacted with carbon monoxide in the presence of an alkaline earth metal oxide catalyst (preferably a calcium oxide catalyst containing a metal oxide of IIa group other than calcium, IIb group, IIIb group or IVa group as a support. Furthermore, the catalyst is preferably prepared by adding ammonium bicarbonate or sodium carbonate as a precipitant to an aqueous solution of nitric acid salt or acetatic acid salt of IIa group other than calcium, IIa group, IIIb group or IVa group metal and calcium nitrate or calcium acetate, filtering a co-precipitated precipitate, drying the precipitate at 100 deg.C and baking the dried precipitate at 500-1000 deg.C.
Patent JP-H0359192-A (JP)
Title: Method of increasing white color of paper paint and white increasing agent product for use in the same
Inventor: YOAHIMU KEENIHI
IPC: D21H19/42
Filed: 1990-07-20
Abstract: PURPOSE: To manifest sufficient optical brightening effect while retaining light- fast property by adding a optical brighter agent product consisting of an optical brighter agent and specific cellulose powder and a pigment to a paper coating material. CONSTITUTION: A paper coating material is effectively brightened with a mixture prepared by adding to (A) an optical brighter product consisting of an optical brighter and water dispersible cellulose powder, or comprising cellulose powder coated with a an optical brighter (B) a pigment for a coating material. The cellulose powder has <50 μm average particle diameter.
Patent JP-S5893885-A (JP)
Title: Method and device for holding chromium plating solution in normal state
Inventor: FURUICHI SHIYUUJI
IPC: C25D3/04
Filed: 1981-11-30
Abstract: PURPOSE:To make deteriorated plating soln. reusable without discarding said  soln. that entails pollution by providing an electrolyzing device and a filter tank  on the inside and outside of a Cr plating cell, and filtering off settled impurities  after treating the deteriorated plating soln. electrolytically. CONSTITUTION:An electrolyzing device provided with a biscuit cylinder 2 and Pb cathodes 3 and anodes 4 on the inside and outside thereof is provided in a part in a Cr plating cell 1 and a filter tank 9 connected to the cylinder 2 by means of a lifting pipe 7 is provided on the outside of the plating cell. Deteriorated Cr plating soln. is electrolyzed by both electrodes 3, 4 in the cylinder 2 to  anodize the greater part of tervalent Cr to hexavalent Cr. A small amt. of remaining tervalent Cr and impurities of heavy metal ions such as Fe are settled  by cathodic reduction and the precipitates are fed with the pipe 7 to the tank 8,  by which the precipitates are filtered off. The deteriorated Cr plating soln. is  again circulated to plating operation and are reused without the need for discarding treatments that entail pollution.
Patent JP-H0943231-A (JP)
Title: Discriminating ductile cast iron material and ordinary cast iron material
Inventor: FUJII TOSHIRO
IPC: G01N33/20
Filed: 1995-07-27
Abstract: PROBLEM TO BE SOLVED: To easily discriminate a specimen of ductile cast iron material from ordinary cast iron material by using chloric acid for the specimen and generating hydrogen sulfide and detecting the quantity of generation. SOLUTION: After removing soil 2 on the surface of buried pipe 1, paint and the like are removed with sandpaper and metal surface 3 is exposed. Then, absorbent cotton 4 of piece size in which chloric acid is absorbed in advance is put with forceps on metal surface 3 to rub hard and the absorbent cotton 4 changes color to gray. This color-changed absorbent cotton 4 is put in a tube 6 and sealed with a lid 7. After repeating this work a few times, the lid 7 of the tube 6 is removed to insert one end of gas detection tube 8 and the gas around the absorbent cotton 4 is sucked 12 in a detection tube 8. If the generation rate of hydrogen sulfide exceeds a specific amount at this moment, the color of the detection part 10 changes from white to brown and the tube 1 is identified as ordinary cast iron.  If the generation rate of hydrogen sulfide is small and color change is slight, the tube is identified as ductile cast iron.
Patent JP-S5893606-A (JP)
Title: Motorcycle
Inventor: NAKASAKI EIJI
IPC: B60C5/00
Filed: 1981-11-27
Abstract: PURPOSE:To improve the running stability, vibration and comfortable riding at the turning by installing the rear wheel with a radial tire having the specific structure. CONSTITUTION:The toroid shaped carcass 2 of a radial tire 1 is composed of the cord using the organic fibers having the reinforced layers more than at least one layer which is located at the angle of 70-90 deg. for circumferential direction central plane of the tire. The both end 3 of the said carcass 3 are folded back around a pair of the bead core 4 located on the extended location higher than the normal LT through the tread end TE. The cord at the crown part of the carcass 2 is arranged at the comparatively acute angle for circumferential central plane of the tire. The belt reinforced layer 5 is placed at the upper side of the both end 3 and arranged to be overlapping with the both end 3 of the carcass 2. Further, the reinforced rubber layer 6 which is externded from the one bead part to the other bead part through the tread part is interposed in the space surrounded by the carcass 2 and folded back part.
Patent JP-2001022192-A (JP)
Title: Image forming device
Inventor: OSHIMA MASATOMO
IPC: G03G15/16
Filed: 1999-07-06
Abstract: PROBLEM TO BE SOLVED: To securely remove residual toner by applying charges to all structures provided with charge imparting mechanisms, driving a transfer body while allowing the transfer body to abut on an image carrier, and cleaning the transfer body at the downstream side in a driving direction than the position where the transfer body abuts on the image carrier. SOLUTION: At the time of initialization after a JAM process (removal of jammed paper), all drive systems are first driven simultaneously by amounts corresponding to one rotation of a photoreceptor drum 1 and, further, a current having a current value (a current of 450 μA or a higher) higher than that of a transfer current applied during a printing process is allowed to flow through a charging roller 6. Thereby residual toner on the face of the photoreceptor drum 1 is transferred to a transfer belt 2 and cleared away by a belt cleaner 3. Also, at the time of the initialization, charges are imparted to an electrifier 8 and a developing roll 94. Thus, printing quality can also be kept constant for a longer time than heretofore. Further, the progress of wear of the blade of a drum cleaner 100 becomes slow and, therefore, the replacement frequency of consumable supplies becomes low.
Patent JP-S6081958-A (JP)
Title: Picture processing system
Inventor: TANAKA KIYOU
IPC: H04N1/00
Filed: 1983-10-12
Abstract: PURPOSE:To prevent a system from being occupied by one piece of information and transfer plural pieces of information by inputting and outputting different pieces of picture information in a picture processing system simultaneously. CONSTITUTION:A switch device 9 is connected to the control part 11 of the picture processing system having a CRT8, keyboard 20, etc., through cables 13 and 14. An original reader 2, high-speed printer 3, picture file 4, etc., are connected to the switch device 9 through cables 11 and 12. Further, a microfilm file 5 is connected to the switch device 9 through a cable 15 and a small-sized printer 7 and a soft display device 6 are connected through a cable 10 and a cable 16 respectively. The input and output operations for different pieces of picture information are performed simultaneously under the control of the control part 1 to eliminate the occupation of the system by one piece of information, thereby displaying or printing plural pieces of information.
Patent JP-S5983577-A (JP)
Title: Protecting system for controlled rectifier
Inventor: IKEDA HIROSHI
IPC: H02M7/12
Filed: 1982-10-30
Abstract: PURPOSE:To safely and effectively protect a controlled rectifier by using a protecting system depending upon the cause of a DC overcurrent. CONSTITUTION:When a load current becomes an overcurrent due to a shortcircuit of a load or a malfunction of a control system, a DC overcurrent detector 7-5 of a load current is operated to shifts the gates of all controlled rectifiers 3-1-3-4, thereby abruptly attenuating the load current. On the other hand, when the rectifiers 3-1-3-4 fail to commutate or lack its pulse phases and the DC overcurrent detectors 7-1-7-4 of the rectifiers 3-1-3-4 are operated due to the current imbalance between the rectifiers 3-1-3-4 in which the load currents do not become overload, the rectifiers 3-1-3-4 are shifted to a bypass operation mode and stopped.
Patent JP-H0476938-A (JP)
Title: Simultaneous switching detector for lsi
Inventor: NOMURA HISAKATSU
IPC: H01L21/66
Filed: 1990-07-18
Abstract: PURPOSE:To realize the manufacture of a highly accurate and high quality of LSI by confirming simultaneous switching phenomena in a short time before LSI manufacture. CONSTITUTION:A logical simulator 3 is one which performs logical simulation based the circuit data 1 of LSI and the signal data 2 to be input into this LSI for inspecting that operation and outputs the output signal data on the signal change of each output terminal, the change time, etc., and the output results are stored in an output signal data storage part 4. A simultaneous switching detector 6 takes in the output signal data of each output terminal stored in the output signal data storage part 4, and detects the simultaneous switching of the LSI based on the output signal data and the preset simultaneous switching condition 5.
Patent JP-H0357704-A (JP)
Title: Pneumatic tire
Inventor: NAKAJIMA YUKIO
IPC: B60C11/04
Filed: 1989-07-25
Abstract: PURPOSE:To improve the wet performance of a pneumatic tire formed on the tread part with grooves by forming predetermined recesses on the wall surface of the groove. CONSTITUTION:A plurality of hemispherical recesses 18 are formed on the side wall of a tire pattern land formed on the tire tread with main grooves and branch grooves. The recess 18 is set to have 1-3mm diameter and 2mm or less of depth. Or at least two projecting lines having 0.5mm-2mm height and 0.5mm-2mm width are formed parallel to the surface of the tire. Thus, water invading in the ground contacting surface of the tire during travelling on a wet road surface can be spattered by the recesses 18 to improve the draining property and wet performance.
Patent JP-H0725966-A (JP)
Title: One pack type curable composition
Inventor: SATAKE ICHIRO
IPC: C08K9/04
Filed: 1993-07-06
Abstract: PURPOSE:To provide be one pack type curable composition comprising a specific group-containing compound, an isocyanate group-containing urethane prepolymer and calcium carbonate subjected to a specified treatment, excellent in low temperature curability, and useful as a sealing material, etc. CONSTITUTION:The objective composition preferably having after 7 days a viscosity of <=2.5 times that of the composition just after its production in a closed state at 50 deg.C comprises (A) a compound (preferably a mol.wt. of 200-10000) having two or more groups of the formula (R1, R2, R3 are 1-6C alkyl, phenyl, haloalkyl) in the molecule, (B) an urethane prepolymer containing two or more isocyanate groups in the molecule, and (C) calcium carbonate having a water content of <=0.05wt.% and surface-treated with a fatty acid ester. The molar ratio of the structural groups of the formula/the isocyanate groups is preferably of 0.3-2.0, and the component C is preferably added in an amount of 10-300 pts.wt. per 100 pts.wt. of the sum of component A and B.
Patent JP-S6449002-A (JP)
Title: Bent optical fiber and manufacture thereof
Inventor: AKIRA TOMITA
IPC: G02B6/00
Filed: 1988-07-28
Abstract: PURPOSE: To manufacture a bend or a bent optical fiber part having a small radius of curvature and prevented from being exposed to static fatigue strain by applying stress to an optical fiber, removing strain on a bent part of the intermediate part of the fiber and holding the bent state of the intermediate part at the time of removing the stress. CONSTITUTION: When the bent part of an optical fiber is annealed so as to minimize or remove strain in the fiber on the bent part, the minimum bent radius of the fiber is reduced. While forming the bent part with external stress e.g. the fiber 1 is held at a high temperature, the temperature and stress are maintained until the strain of the bent part of the fiber 1 is practically anealed from the whole bent part, and then the bent part 10 is cooled to remove the external stress and anneal the fiber 1. Although fiber 1 is held at a high temperature sufficient for annealing the fiber 1 within suitable time, the fiber 1 is held at a low temperature sufficient for preventing the generation of deformation causing the damage of the fiber 1 or the separation of important dopant in the fiber 1.
Patent JP-H0942843-A (JP)
Title: Method and device for drying metal strip
Inventor: NARUSE YUTAKA
IPC: F26B21/08
Filed: 1995-07-27
Abstract: PROBLEM TO BE SOLVED: To reduce the energy consumption and running costs by a method wherein temperature of rinse water is determined based on the temperature and humidity of hot air, the thickness of water film adhered on the surface of a metal strip before dried, and the thickness of the metal strip so that moisture at the outlet of a dryer becomes zero and drying energy is minimized. SOLUTION: The humidity and temperature of blow air are detected by a hygrometer 16 equipped on a dryer 6 and a thermometer 10 mounted on an air heat exchanger 9. Plate thickness information is given by a process computer(P/C) 13 and the thickness of water film is measured by a water film thickness detector 15 provided on a wringer roll 4. Based on those information, the temperature of rinse water is determined before drying so that complete drying is attained and drying energy is minimized, and set in a TIC control 14. As a result, rinse water is heated up to a set temperature by steam at a rinse water heat exchanger 9. Therefore, the energy consumption and running costs can be reduced.
Patent JP-S6087124-A (JP)
Title: Tray distributing apparatus
Inventor: MOTODA KENROU
IPC: B65G60/00
Filed: 1983-10-14
Abstract: PURPOSE:To eliminate time loss of product handling operation between trays by storing a plurality of trays in layers in an apparatus body, sequentially supplying and discharging each tray and connecting a plurality of trays to each other to be continuously supplied. CONSTITUTION:Stacked trays 20 are respectively stored through an entry portion 18 to a supply portion 2, and one tray 21 of the trays 20 is supported on a transfer guide 8, the other trays 21 being supported by engaging means 7. The tray 21 on the guide 8 is transferred to a product in-and-out portion 3A by a transfer machine 5A, and a work robot 40 conducts unloading operation for the tray 21 on the in-and-out portion 3A. After operation, the tray 21 is returned to the transfer guide 8 by the transfer machine 5A, and during replacement of trays 21, the robot 40 starts product handling operation for the tray 21 on the next in-and- out portion 3B. After operation, the tray 21 is loaded on an elevator 6 by a transfer machine 5B and connecting and transfer machines 15 and 5A. When a fixed number of trays are loaded, a carry in-and-out machine 10 discharges the trays from the supply portion 2 to the outside.
Patent JP-H0480301-A (JP)
Title: Cu alloy powder and manufacture thereof
Inventor: HOSHINO KOJI
IPC: C22C9/01
Filed: 1990-07-20
Abstract: PURPOSE:To manufacture Cu alloy powder with fine Al2O3 enclosed in the powder by executing oxidizing treatment, if necessary, inner part oxidizing treatment and carrying out reducing treatment to Cu-Al alloy raw material powder specifying Al content. CONSTITUTION:The oxidizing treatment is executed to the Cu-Al alloy powder containing 1.5 - 10% Al at 600 - 1000 deg.C and preferably under powder fluidized condition. The formed oxide powder is made to have structure containing matrix composed of copper oxide as essential material and annular complex oxide phase annularly flocculated fine Cu-Al complex oxide at between powder center and powder peripheral part in the whole cross sectional face passing through the powder center part. The reducing treatment is executed to this oxide powder at 200 - 400 deg.C. CaO forming the matrix in the oxide powder as the essential material is reduced to Cu and the above annular complex oxide phase is changed to annular hardened phase containing fine Al2O3 as the essential material.
Patent JP-S63100484-A (JP)
Title: Transfer device for electrophotographic copying machine
Inventor: KASAHARA NOBUO
IPC: G03G15/01
Filed: 1987-07-31
Abstract: PURPOSE:To stabilize the carrying and holding of a sheet of transfer paper, by constituting a device so that the cylindrical intermediate part of a drum body is cut leaving an intermediate linking part that is a part of a peripheral plane being connected to both end parts, and it can be supported with a supporting a plate possible to be rocked and being brought into contact with the inner peripheral plane of the both end parts. CONSTITUTION:In the drum body 21, the intermediate part of a resin made cylinder is cut largely, leaving the both side parts 22 and 23, and a belt-shaped linking part 24 in parallel with an axial line that is a part of the peripheral plane being continued to the side parts. The above cut part is covered with an insulating transfer paper supporting sheet 25 having a width a little larger than that of the cut part by winding the sheet from the one side to the other side of the linking part 24. A transfer drum 41 is supported with three rollers 43-45 provided at a supporting lever 42, and brought into contact with the inner peripheral plane of the transfer drum. The lever 42 is extended to the outside of the transfer drum, and turns centering a shaft 46 provided on the way. The shaft 46 is supported with a stationary member.