baber/WOPTO huggingface dataset:
Patent JP-S6424969-A (JP)
Title: Method of foundation remodeling construction of storage tank
Inventor: AKIYAMA HIROSHI
IPC: E04H7/06
Filed: 1987-07-20
Abstract: PURPOSE: To improve the efficiency and accuracy of a remodeling construction method by eliminating the need for the removal and carrying-in works of a bottom plate and reducing various works such as cutting, welding, welding inspection or the like by cutting, lifting and supporting the bottom plate on the inside of a concrete ring. CONSTITUTION: A section in the vicinity of the inside of a concrete ring 3 of a bottom plate 5 is cut cylindrically, the cut bottom plates 15 are lifted by a crane 13, vedette scaffolds 17 are constructed on the top face of a foundation ground 16, the ground 16 is removed and discharged by a vacuum pump 18 or the like, and the scaffolds 17 are extended successively to the removed sections. Concrete 20 is poured by a concrete pump or the like and the extended scaffolds 17 are left in places, the scaffolds 17 are removed after the completion of pouring, asphalt sand or the like 6 is spread all over the top face of concrete 20 as the bottom plates 15 are left as they are brought to a lifted state, the crane 13 is released gradually, the bottom plates 15 are hung down on the concrete foundation 20, and the bottom plates 5 and the bottom plates 15 are welded.
Patent JP-H0528510-A (JP)
Title: Objective lens driving device
Inventor: SUZUKI HIROYUKI
IPC: G11B33/14
Filed: 1991-07-22
Abstract: PURPOSE:To improve optical performance by preventing adherence tightly with a base board or a cover even at the time of a left standing test in a high temperature condition at the time of changing temperature. then eliminating the distortion of the attitude of a hinge and a lens holder. CONSTITUTION:This objective lens supporting device of an optical pickup is constituted so that parallel linking members 18, 21 are provided to mold integrally between an objective lens holder 25 holding an objective lens 6 and a lens driving supporting body 14 through the hinges 16, 17, 19 and 20, projecting stoppers 31, 32 are provided on the linking members 18, 20 of the base board 11 side and the cover 13 side so that the lens holder does not come into contact with the inside wall of the base board 11 or the cover by these projecting stoppers 31, 32.
Patent JP-S6426035-A (JP)
Title: Manufacture of disk for disc brake
Inventor: OTOMO NOBUAKI
IPC: F16D65/12
Filed: 1987-07-22
Abstract: PURPOSE:To contrive the improvement of the productivity of quantities, reduction in weight and durability by punching stainless steel sheets and a light alloy sheet into a disc form with a press die so as to pile the stainless steel sheets onto the both side surfaces of the light alloy sheet for bonding them monolithically thereto with pressure. CONSTITUTION:This stainless steel sheets 1 and a light alloy sheet 2 are individually punched with a press die into a disc form without any die wear using an auxiliary jig. In the second place, each of the thin stainless sheets 1 is piled respectively accompanied with positioning onto the upper and lower surfaces of the light alloy sheet 2 punched into a disc form so as to be bonded together with pressure by means of a roller 3 while being heated upto approximately 500 deg.C for forming a disc for a brake. Owing to this constitution, cutting works along side of both the inner and outer side surfaces may be practically eliminated so as to enable a reduction in cost and the transfer to mass-production, thereby enabling a reduction in weight as well as the improvement of the durability thereof.
Patent JP-H0467626-A (JP)
Title: Silicon wafer
Inventor: MORITA ETSURO
IPC: H01L21/304
Filed: 1990-07-09
Abstract: PURPOSE:To manufacture the reference wafer for calibrating an optimum particle counter while enhancing the yield in the LSI manufacturing process by a method wherein the surface of a silicon wafer formed by epitaxial process is flattened. CONSTITUTION:A silicon single crystal layer 12 is deposited by epitaxial process on a silicon single crystal substrate 11. The surface of this deposited epitaxial layer 12 is flattened by e.g. polishing it by 5mum. This P-type epitaxial wafer 10 in the (100) direction is repeatedly cleaned up ten times at higher temperature of 85 deg.C than the normal temperature for intensifying the etching action using e.g. ammonia base cleaning fluid e.g. NH4OH/H2O2/H2O solution (1:1:5). In these procedures, only four particles in size exceeding 0.1mum can be detected on the surface of the epitaxial wafer 10 after the cleaning step when the particle numbers are counted by a particle counter.
Patent JP-H097478-A (JP)
Title: Proximity switch
Inventor: NORO MASATO
IPC: H01H36/00
Filed: 1995-06-22
Abstract: PURPOSE: To detect a malfunction of reed switches by an external magnetic field by arranging the reed switches, which are always turned on and off by coils, in the vicinity of a proximity switch composed of the reed switches and a permanent magnet. CONSTITUTION: A reed switch 3d exists in a case 1, and coils 4a, 4b and 4c on which AC voltage is impressed are arranged on its periphery. Reed switches 3a, 3b and 3c on which DC voltage is impressed are arranged in hollow parts of these coils. When a permanent magnet 2 draws near the switch 3d and the other magnet approaches during operation, since the switches (3a to c) are always forcedly turned on and off by the coils (4a to c), turning-on times become different from each other according to a distance up to the magnet from the respective switches. Therefore, the other magnet approaching from outside can be detected.
Patent JP-H0523382-A (JP)
Title: Ozone generator
Inventor: KATO NOBORU
IPC: A61L9/015
Filed: 1991-07-22
Abstract: PURPOSE:To dispense with the replacement of a moisture absorbent, to enhance operation efficiency and to miniaturize an ozone generator by heating the moisture absorbent in a dehumidifier by a heater and removing the moisture absorbed in the moisture absorbent to regenerate the moisture absorbent. CONSTITUTION:When the moisture absorbent such as a silica gel, calcium chloride or magnesium chloride in a dehumidifier 13 becomes a saturated state, a deodorizing device 1 is stopped and, when the control unit 22 of an ozone generator 10 is set to an moisture absorbent regenerating mode, solenoid valves 17, 20 are operated to operate an air pump 12 and a heater 14. The moisture absorbent in the dehumidifier 13 is heated by the heater 14 and moisture absorbed in the moisture absorbent is removed. The steam generated at this time by heating the moisture absorbent is fed into a steam separator 15 in a pressurized state by the air pump 12 and a part thereof is discharged out of the system by a steam permeable membrane and the remainder is condensed in a condensing chamber 15c to be discharged from a drain pipe 15d. By this constitution, the replacement of the moisture absorbent can be made unnecessary.
Patent JP-H0349892-A (JP)
Title: Cylinder with rotary function
Inventor: YAMASHITA KOICHI
IPC: B25J19/00
Filed: 1989-07-12
Abstract: PURPOSE:To enhance accuracy of the point end of a chuck with a distance from a cylinder block end face to the chuck shortened by providing a rotary driving source for giving a rotary motion to a sliding shaft while directly mounting the chuck to this sliding shaft. CONSTITUTION:A chuck 17 is directly mounted to a sliding shaft 9 possible to simultaneously perform rotary and straight advancing motions. In this way, a distance from the end face of a cylinder block to the chuck 17 is shortened. While in the case of rotary motion unnecessary, a rotary driving source (rotary actuator) 15 is removed, and only the rotation of the sliding shaft 9 is fixed with a relation not changed to the mounting distance of the chuck 17. Consequently, a unit structure in common size can be realized despite whether rotary action is provided or not.
Patent JP-H07145242-A (JP)
Title: Pristine alkylsiloxanes and their production
Inventor: GEIRII EDOWAADO REGUROU
IPC: C08G77/38
Filed: 1994-08-02
Abstract: PURPOSE: To obtain siloxanes having very low contents of residual -SiH, internal olefins, etc., by reacting an -SiH containing siloxane polymer with an olefinic compound, under anhydrous conditions, in the presence of a supported platinum catalyst and oxygen.  
     CONSTITUTION: An -SiH containing siloxane polymer comprising, e.g. 1,1,1,3,5,5,5- heptamethyltrisiloxane and a 4C or higher olefinic compound are reacted under anhydrous conditions in the presence of a supported platinum catalyst and oxygen to give objective siloxanes comprising pristine-alkylsiloxanes selected from alkylsiloxanes of formulas I to IV [wherein R is a 1-3C alkyl, or phenyl; R 4  is a 4C or higher alkyl; R 2  is R or R 1 , provided that at least one of R 2  is R 1 ; x is 3 to 8; and a, t, v, y and z are each 1 or greater, provided that y+z=(3 to 8)] and a mixture thereof, containing at least 99.9% alkylsiloxanes, and having an -SiH content and a CH 2 =CH- content each of less than 10 ppm, and a platinum content of less than 1 ppm. 
     COPYRIGHT: (C)1995,JPO
Patent JP-S6425548-A (JP)
Title: Flip-chip bonding method
Inventor: YAMADA TAKESHI
IPC: H05K3/34
Filed: 1987-07-22
Abstract: PURPOSE:To make it possible to provide the bonding of flip chips with solder bumps having the same waist shape without decreasing the effective areas of a plurality of chips, by providing the bonding of a semiconductor chip and a circuit board through the solder bumps, inverting the chip, heating the chip so as to fuse the solder bumps, elongating the bumps with the weight of the semiconductor chip, and cooling the chip. CONSTITUTION:The weights of silicon chips 1 are made equal by changing the time for evaporating lead on the rear surfaces and adjusting the amount of the evaporated lead. Solder balls 3 each having the diameter of about 200mum and the weight of 0.35mg are placed on every pad on an alumina board 2. A silicon chip 1 is placed on the balls and heated to 250 deg.C. The solder balls are fused and the temporary bonding of the flip chip is provided. Then, the temporary bonding body of the flip chip is inverted. The board is held so that the chip 1 faces downward. The board is heated to 250 deg.C. Then, the solder is fused again. The solder balls are elongated downward by the weight of the chip itself. Under this state the bonded body is cooled. Then the solder bumps 3 become an hour-glass shape.
Patent JP-H0231491-A (JP)
Title: Resin composition for laminate use
Inventor: NAKAJIMA HIROYUKI
IPC: B32B27/38
Filed: 1988-07-20
Abstract: PURPOSE:To obtain a resin composition, for lamination use, whose heat resistance, mechanical strength and bonding property are excellent by a method wherein a specific polyfunctional epoxy compound as a main component is reacted with an aromatic diamino compound. CONSTITUTION:Twenty to 80 weight parts of a polyfunctional epoxy compound expressed by a general formula (in this formula, R represents H or CH3 and n represents 0 or an integer from 1 to 5) are mixed with 80 to 20 weight parts of an epoxy compound having two epoxy groups in one molecule. A resin composition for lamination use is formed as follows: 100 weight parts of a composition B where an aromatic diamino compound has been mixed with this composition A in a ratio of 0.3 to 0.8 equivalent of active hydrogen per one equivalent of an epoxy group and is mixed with 0.5 to 10 weight parts of dicyandiamide and 1 to 100 weight parts of a normal chain-shaped high polymer.
Patent JP-S57106524-A (JP)
Title: Manufacture of perovskite type composite oxide containing lead
Inventor: SAITOU SHINROKU
IPC: H01B3/12
Filed: 1980-12-23
Abstract: PURPOSE: To manufacture the titled composite oxide having small grain size, relatively large specific surface area and a fine perovskite type crystal structure by reacting lead monoxide with hydrate type titanic acid and/or hydrate type zirconic acid under hydrothermal conditions.  
     CONSTITUTION: Lead monoxide having ≤0.2μm primary grain size obtd. preferably by a wet process and hydrate type titanic acid and/or hydrate type zirconic acid having 0.01W3μm grain size are dispersed in an aqueous medium in a practically equimolar ratio, and they are hydrothermally reacted while agitating. The suitable concn. of the starting materials in the aqueous medium is 5W 40wt%, and the hydrothermal reaction temp. is 110W200, especially 120W150°C. The resulting composite oxide is optionally dried or calcined at <850°C and applied to various uses. When this composite oxide is applied to the use of ceramics, it shows extremely superior sinterability. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S6339500-A (JP)
Title: Controlling method for wind power generator
Inventor: DEGUCHI MOTOAKI
IPC: H02P9/00
Filed: 1986-07-31
Abstract: PURPOSE:To maintain a high energy acquisition rate by setting a given relation between the number of revolutions and output to an algorithmic combination of a fixed peripheral speed ratio control, where a windmill power coefficient holds a high value, with a load control, where variation of the number of revolutions is held within a given tolerance. CONSTITUTION:An output of a windmill 1 is converted into electric power by a motive power-electric power converter 2 composed of generator and frequency converter. An output command generator 5 outputs an output command corresponding to a number of revolutions of rotor of the windmill 1 detected by a rotating speed sensor 4 and gives a deviation of output signal P from output command to the motive power electric power converter 2. In this case, a maximum output control is performed at every number of revolutions while a wind velocity is from cut-in velocity to rated one,an output P is kept constantly while the wind velocity is from rated velocity to cut-out one, and the number of revolutions is controlled within a certain tolerance by a mechanical pitch control.
Patent JP-H1112778-A (JP)
Title: Method for purifying gold electrolyte containing pd
Inventor: KIMURA TSUGIO
IPC: C25C1/20
Filed: 1997-06-24
Abstract: PROBLEM TO BE SOLVED: To easily and rapidly purify a gold electrolyte, to enable electrolysis at a low Pd concn. every time and to provide a reduction of stagnating gold and an improvement in electric gold quality by adding dimethyl glyoxime to the gold electrolyte contg. Pd to effect reaction and settling and separating the formed Pd complex. SOLUTION: The electrolytic purification of gold is executed by using the gold electrolyte consisting of a hydrochloric acid soln. contg. about 100 g/l gold. The dimethyl glyoxime is added in the form of powder or ethanol soln. into the gold electrolyte contg. the Pd as an impurity after use. The amt. thereof to be added is specified to 1 to 1.2 equiv. of the Pd to avoid the excess thereof. While the liquid is then kept stirred at ordinary temp., the reaction is accelerated to form the Pd complex. This fine Pd complex is settled and is matured preferably for 10 to 20 hours and is subsequently filtered by a filter of 0.8 to 12 μm mesh. As a result, the gold electrolyte purified to about 0 to 0.9 g.l Pd is used for electrolytic purification every time, by which the electric gold of about 1 to 3 ppm Pd is obtd.
Patent JP-H04327004-A (JP)
Title: Method to removing minute iron content in hydraulic circuit
Inventor: HIROKAWA TADAO
IPC: F15B21/04
Filed: 1991-04-23
Abstract: PURPOSE:To remove a minute iron content in a hydraulic circuit. CONSTITUTION:A magnetic device 7 is fitted to the required place of a hydraulic circuit 1. The magnetic device 7 consists of being arranged with stainless steel plates 12 whose diameter is made to be equal to the inner diameter of a housing 10 and at each of which an oil passing through hole 11 is provided, and at the same time with magnets pinching a stainless steel plate 12, in the housing 10 provided with an oil inflow opening 8 on its one end side and an oil outflow opening 9 on the other end side. Oil passing through the housing 10 inside is brought into contact with the magnetic force lines of the magnets 13, and a minute iron content is attracted to the magnets 13.
Patent JP-S57109844-A (JP)
Title: Polypropylene composition and manufacture
Inventor: SHIEERUSAURU JIYAN POORU
IPC: C08L23/12
Filed: 1981-11-13
Abstract: The invention concerns polypropylene compositions with improved impact strength adapted for conversion to finished articles by extrusion drawing, extrusion blow-molding or thermoforming characterized in that they contain: (a) 40 to 98% by weight of isotactic polypropylene (b) 2 to 60% by weight of a copolymer of linear low density polyethylene type with a density of up to 0.935, obtained by copolymerizing a mixture of ethylene and one or more upper alpha-olefins, by a copolymerizing process at a pressure below 4.106 Pa, in the absence of any liquid hydrocarbons.
Patent JP-H0231739-A (JP)
Title: Head shape measuring device and scalp potential distribution measuring device integrated with the same measuring device
Inventor: WATANABE HIROMOTO
IPC: A61B5/117
Filed: 1988-07-21
Abstract: PURPOSE:To accurately measure the shape of the head (cranium) of a person and the potential distribution on the scalp thereof by calculating the distance between the measuring reference surface and the scalp at each measuring point using a displacement sensor. CONSTITUTION:100 displacement sensors 2 on a grid are mounted to a helmet being a measuring reference surface, and a distance measuring/potential measuring means 22 and a distance/ potential converting means 23 are realized by the constitution of the displacement sensors 2 and a reference voltage power supply 3. When the helmet is applied to the head of an examinee to be fixed to the cranium thereof, the measuring rods 41 of the displacement sensors 2 are pushed up by the scalp and, when constant voltage is supplied to the terminal 1 of each sensor main body 43 from the reference voltage power supply, the voltage V23 between terminals 2-3 is obtained as the voltage value proportional to (a). When a certain code is inputted from a keyboard 15, a personal computer 10 outputs a selection signal S1 and an A/D conversion start signal S2 from an output port 12 to measure the shape of the head. At this time, the shape of the head is calculated on the basis of the inputted shape of the measuring reference surface 1, the accurate position data of each measuring point and the read distance data between the measuring reference surface 1 and the scalp at each measuring point.
Patent JP-S6430906-A (JP)
Title: Self-lock device for fluid hydraulic cylinder
Inventor: ISHIKAWA KAZUO
IPC: F16D63/00
Filed: 1987-07-23
Abstract: PURPOSE:To extend a life longer by inserting an inner side tapered ring through a piston rod and providing balls to be interposed between the inner side tapered ring and an outer side tapered ring. CONSTITUTION:Inserting a brake metal 15 through a piston rod 1, mounting an inner side tapered ring 16 to be fitted to the outside of the brake metal 15, holding balls 18 to a holder 17 and providing an outer side tapered ring 19 outside the inner side tapered ring 16 through the balls 18, a flange part 22 in the rear part of the brake metal 15 is adapted to a diaphragm 23 serving as the unlock means. By the structure thus obtained, since a self-lock can be attained by uniformly tightening the piston rod 1 by the inner side tapered ring 16 and the outer side tapered ring 19, wearing resistance improves and a life extends longer.
Patent JP-H0232756-A (JP)
Title: Small size low current consumption type power circuit
Inventor: SAKATA MINORU
IPC: H02M1/14
Filed: 1988-07-20
Abstract: PURPOSE:To remove an ignition noise by ON-OFF driving a switch drive circuit, a switch circuit, and a filter circuit through the output composed by an AND circuit. CONSTITUTION:A power circuit for a land radiomobile telephone, etc., is equipped with a battery voltage-sensing circuit 20, an ignition sensing circuit 21 and a telephone set switch circuit 22, and also has a switch drive circuit 2 composed of an AND circuit 1, MOT 21, Tr 21, etc., a switch circuit 3 composed of a Tr 31, etc., and a filter circuit 4 composed of a Tr 41, resistors R 41-42, etc. Then, respective outputs of all sensing circuits 20-22 such as said battery-voltage sensing circuit 20 are added to the AND circuit 1 to be composed together, and said composite signal is outputted to the switch drive circuit 2 and a power-ON reset signal is outputted to an external circuit. Thus, at the time of abnormal operation of any of a telephone set switch, etc., said filter circuit 4 is also turned OFF and a battery voltage to be inputted so that a power supply is cut OFF.
Patent JP-S6338146-A (JP)
Title: Surface defect inspection device
Inventor: SAKAKIBARA MASATO
IPC: G01N21/88
Filed: 1986-08-02
Abstract: PURPOSE:To quantitatively and automatically inspect whether there is a defect part by picking up the image of a surface to be inspected where a light and dark pattern is projected and separating it into a binary signal of a white and a black part. CONSTITUTION:The stripe pattern having specific pitch is projected on the surface of the body OB to be inspected by a flat plate 10 which has many slits and a light source 11 which emits scattered light. The stripe pattern of light and dark is picked up by a TV camera 30 and separated into the binary signal of the white and black part by a binary coding device 3. Then, an image contracting circuit 51 performs image contracting operation until the black parts of the stripe pattern disappear. The video signal after the parts of the stripe pattern are erased is inputted to a defect part extracting circuit 52 to extract a defect level part bad, which is displayed on a display DP 3. Therefore, defect part such as irregularity on the body to be inspected is detected automatically and the size of defect part is digitized and compared with a quantitative value to decide the defect parts, so high-reliability inspection result is obtained.
Patent JP-H0838397-A (JP)
Title: Electric cleaner
Inventor: TAKEDA TAKAHIDE
IPC: A47L9/28
Filed: 1994-08-03
Abstract: PURPOSE:To provide an electric cleaner by which the motor service life of a least condition is satisfied as the electric cleaner and a sucking power (sucking force) is improved. CONSTITUTION:This electric cleaner to generate the sucking force by the driving of a fan is provided with a battery 7, orthogonal transforming means 13 for transforming a DC output from this battery 7 to an AC output, and an AC rectifier motor 6 for driving the fan corresponding to the AC output from this orthogonal transforming means 13.
Patent JP-S6342937-A (JP)
Inventor: SHIMIZU GORO
IPC: D03D15/00
Filed: 1986-08-01
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-H0842771-A (JP)
Title: Hose clamping metal fitting
Inventor: HAYASHI NOBUHIKO
IPC: F16L33/02
Filed: 1994-08-03
Abstract: PURPOSE:To provide a hose clamping metal fitting capable of being attached later to a hose fitted to a joint and clamping the whole periphery of the hose. CONSTITUTION:A first metal fitting 1 and second metal fitting 7 are formed by bending a plate material made of spring steel into the shape of nearly semicylinder. Engagingly locking plates 5 are welded to both end parts of the first metal fitting 1 and claw parts 9 are formed at both end parts of the second metal fitting. Both the end parts of the second metal fitting 7 are overlapped respectively on the outside faces of both the end parts of the first metal fitting 1, the claw parts 9 of the second metal fitting 7 are locked to the locking plates 5, and thus both the metal fittings 1, 7 are closely fitted to each other. In this coupled state, both the end faces of the first metal fitting 1 and a spacer 11 attached to the inner peripheral surface of the second metal fitting 7 butt against each other to form a continuous circular ring-shape, and thus the its inner peripheral surface is adapted to closely clamp the whole periphery of a hose 20 fitted on a hose nipple 21.