baber/WOPTO huggingface dataset:
Patent JP-S6248978-A (JP)
Title: Hydraulic pressure compensator for hydraulic gear pump
Inventor: ROJIE ROOMON
IPC: F04C15/00
Filed: 1986-07-15
Abstract: 1. Hydrostatic compensation device for gear hydraulic pumps or motors in which support bearings of the pinions are slidably mounted in the pump body (1) and define, with covers (3, 4) of the pump body, compensation chambers bordered by at least a gasket and in which a pressure is developed for keeping the bearings applied against the side face of the gears, characterized in that the gasket (26) has a U-shaped section the bottom part of which is facing a cover for defining a groove (27) set into communication with a high pressure prevailing in the pump or motor and is provided with an anti-extrusion fitting (28) applied against the cover, subjected to the pressure on its entire surface and extending on the whole support surface, the gasket (26) forming moreover a slight clearance with the bottom portion of the groove (10).
Patent JP-S5789937-A (JP)
Title: Controller for moving speed and revolution speed of screw in injection molding machine
Inventor: INAMI TOSHIO
IPC: B29C45/82
Filed: 1980-11-26
Abstract: PURPOSE:To control an injection molding machine at low cost without using any pressure difference compensating mechanism by a method wherein detected values of the revolution speed and the moving speed of a screw are compared to signals fed from screw speed setters and the comparison results are fed back so as to make the detected values conform to the signals. CONSTITUTION:A signal b1 generated by a revolution speed detector 15 and corresponding to the revolution speed of the screw 5 is impressed on an amplifier 3, and the signal b from the setter 16 for the revolution speed of the screw is also impressed on the amplifier 3. The signals b, b1 are compared to each other in the amplifier 3, and an output signal d corresponding to the difference between the signals b, b1 is impressed on a coil 17 for a control valve 1a to control the revolution speed of the screw 5. Similarly, the linear moving speed of the screw 5 detected by a speed detector 12 is represented by a signal a1 and is feedback-controlled. Accordingly, the screw speed of the screw of an injection molding machine can be controlled at low cost without requiring any expensive pressure difference compensating mechanism.
Patent JP-H0336457-A (JP)
Title: Controlling method for water amount in hot water supplying apparatus
Inventor: AKIBA KAZUHIRO
IPC: F24H1/10
Filed: 1989-06-30
Abstract: PURPOSE:To reach a preset temperature in a short time and to perform maximum capacity of hot water supplying apparatus while holding the set temperature by so controlling a water flowrate control valve as to become the flow rate corresponding to a capacity slightly lower than the capacity of the apparatus in case of starting hot water supply. CONSTITUTION:When a hot water supply cock is opened and water flow is detected by a water flowrate sensor 7, a microcomputer controller 12 calculates the flow rate of capacity of No. (x-DELTAy) (e.g., No. 23 in case of No. 24 hot water supplying apparatus), and so controls a water flowrate control valve 10 as to become a flow rate of capacity No. (x-DELTAy). A hot water supplying temperature is compared with a set temperature in terms of safety of the hot water supplying temperature, the valve 10 is stopped when the hot water supplying temperature holds the set temperature if a gas proportional valve 4 is fully opened thereby to continue hot water supplying, thereby obtaining a maximum capacity. When the fact that the hot water supplying flow rate does not reach the flow rate of the capacity of No. (x-DELTAy) is detected or the fact that the hot water supplying flow rate is further lowered as compared with an allowable maximum error is detected, a large flow rate change is regarded due to opening of other hot water supplying cock, and the starting of the hot water supply under the conditions is corrected.
Patent JP-S5868947-A (JP)
Title: Manufacture of semiconductor device
Inventor: SATOU KAZUYOSHI
IPC: H01L21/82
Filed: 1981-10-21
Abstract: PURPOSE:To enable to manufacture semiconductor devices being divided into plural kinds for respective uses having different working conditions by a method wherein only a part of the device like surface metalized layers is changed releaving another part in common. CONSTITUTION:At a semiconductor device for a small current, surface metalized layers 4 are not connected to back wiring layers 2, and electrode parts on a pellet 5 are connected electrically to pins 3 by wires 6 through only the layers 4 without passing through the wiring layers 2. In contrast thereto, at a case of semiconductor device for a large current, surface metalized layers 4A are connected to the back wiring layers 2 through through-hole layers 1. Accordingly when only the parts of the layers 4, 4A are changed as to differ mutually, because semiconductor devices can be manufactured being divided for respective working conditions of the plural number using common package structure, the number of manufacturing man-hour can be reduced, and the cost can be reduced.
Patent JP-S6146440-A (JP)
Title: Revolution-speed controller for engine
Inventor: NISHIMORI TAKAYOSHI
IPC: F02D41/16
Filed: 1984-08-09
Abstract: PURPOSE:To permit the stable idling control with high precision by opening a throttle valve together with a control valve installed so as to make a detour around the throttle valve when the number of revolution in fast idling is over a prescribed value. CONSTITUTION:A control valve (d) is installed into an air feeding passage (c) installed so as to make a detour around a throttle valve (b) in a suction passage (a). The first control means (e) which controls the control valve (d) according to the engine operation state in idling is provided. Further, the second control means (f) which controls the throttle valve (b) so that the number of revolution reduces with the rise of the cooling-water temperature in fast idling by adjusting the flow-rate of the air which passes through the suction passage (a) is provided. Further, a drive control means (g) which allows the control for the control valve (d) and the throttle valve (b) by the control means (e) and (f) when the engine revolution speed is over a prescribed value such as in fast idling and suspends the control for the throttle valve (b) by the second control means (f) when the engine revolution speed is below the prescribed value is provided.
Patent JP-S6229751-A (JP)
Title: Piston of internal combustion engine
Inventor: KANAZAWA MASARU
IPC: F16J1/08
Filed: 1985-07-31
Abstract: PURPOSE:To prevent biting or burning by forming a piston ring groove in the outer circumferential wall of piston while forming a groove parallel with said piston ring groove between the top face of piston and the uppermot piston ring groove. CONSTITUTION:Three piston ring grooves 8 are formed vertically with predetermined interval at the top section 7 of the outercircumferential wall 6 of piston 5. Three shallow grooves 11 are formed vertically in parallel with said piston ring groove 8 between the uppermost piston ring groove 8 and the piston top face 9 with predetermined interval. Consequently, the area of contacting section at the upper portion of the outercircumferential wall of piston against the cylinder hole 2 can be limited while lubricant is existed in the groove 11 to reduce the contacting frictional resistance. In such a manner, biting, burning can be prevented.
Patent JP-H0218323-A (JP)
Title: Preparation of titanium dioxide from titanium alkoxide
Inventor: NOJIRI MASAJI
IPC: C01G23/053
Filed: 1988-07-05
Abstract: PURPOSE:To prepare titanium dioxide having reduced particle size and particle size distribution range and increased yield, and to enable recovery of by- produced alcohol with high purity by carrying out the hydrolysis of Ti alkoxide in two stages, synthesizing titanoxane in the first stage, and distilling off by- produced alcohol in the first and the second stage of the hydrolysis. CONSTITUTION:Water of 1.0-2.0 mole is added to 1 mole titanium alkoxide in form of an alcoholic soln. of water, and allowed to react with the titanium alkoxide, and by-produced alcohol is distilled off after heating and aging the reaction mixture. Thus, titanoxane contg. no monomer of the titanium alkoxide is synthesized. Then, an alcoholic soln. of water is added to the titanoxane and is allowed to react. In this second stage reaction, the amt. of the alcoholic soln. of water to be added is regulated to about 2-40 mole expressed in terms of sum of the water added in the first stage and that added in the second stage. By this method, by-produced alcohol having >=99.9% purity is recovered, and the capacity for production per one reaction vessel is increased. Moreover, the particle size of obtd. TiO2 is reduced to 0.3-1.0mu.
Patent JP-H0727265-A (JP)
Title: Falling-off preventing tube joint
Inventor: MAKI ATSUSHI
IPC: F16L21/08
Filed: 1993-07-07
Abstract: PURPOSE:To simply provide an insertion port ring to prevent the falling-off at an insertion port without opening a hole in a tube, and cope with insertion ports of various sizes whether the diameter of the insertion port is large or small. CONSTITUTION:A lock ring 5 is mounted on a lock ring storing groove 4 formed in the inner circumference of a socket 1, and an insertion port groove 8 is formed in the outer circumference of an insertion port 7 to be inserted into the socket 1. An insertion port ring 9 to prevent the removal of the insertion port 7 from the socket 1 through the engagement with the lock ring 5 is fitted in this insertion port groove 8, a connection piece 11 is mounted on receiving parts 12, 13 on each side of a chipped circular part of the insertion port ring 9, at least either of rivet holes of the receiving part 1 or the rivet holes of the connection piece is made oblong, the rivets 14 are inserted into the rivet holes of the connection piece 11 and the revet holes of the insertion port ring, and the connection piece 11 is tightened to the insertion port ring 9.
Patent JP-S6326484-A (JP)
Inventor: AMO HIROSHI
IPC: F16L13/12
Filed: 1986-07-16
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-H0456287-A (JP)
Title: Manufacture of light emitting diode
Inventor: YAMAOKA TAKASHI
IPC: H01L21/311
Filed: 1990-06-25
Abstract: PURPOSE:To decrease the number of defectives due to insufficient characteristics caused by overetching or shortage of etching by a method wherein a resist overhang is formed and softened by heating. CONSTITUTION:An N-InP clad layer 1, a P-InGaAsP active layer 2, a P-InP clad layer 3, and a P-InGaAs cap layer 4 are epitaxially grown on an N-InP substrate to form a wafer, a circular mesa is provided to the wafer, an insulating film 6 is made to grow thereon, a contact hole 8 is provided through patterning by the use of a positive resist 5, an etching process is executed with buffered hydrofluoric acid for a certain time, the insulating film 6 located at the outer edge of the contact hole 8 is side-etched to form an overhang 7 of resist. Furthermore, the resist overhang 7 is softened by baking to be brought into close contact with the etched side face of the insulating film 6. An additional etching is executed with a buffered hydrofluoric acid to completely remove the insulating film 6.
Patent JP-S5690417-A (JP)
Title: Head moving device
Inventor: OOSHIMA YASUTAKE
IPC: G11B21/08
Filed: 1979-12-24
Abstract: PURPOSE: To simplify the mechanism, which moves the head in the transverse direction of the tape, and make an accurate movement control possible, in the recording and reproducing device for the video signal which causes the endless magnetic tape to run in a high speed.  
     CONSTITUTION: Magnetic head 21 is fixed to rotation stopping material 37 through substrate 36 and is driven vertically in one body. Male screw 39 is borne rotatably by housing 40 so that male screw 39 cannot be moved vertically, and male screw 39 drives substrate 36 vertically from gear 54 of pulse motor 55 through gear 53. The engaging part between substrate 36 and male screw 39 is constituted into a blade form to prevent shaking. Since holes of bearing parts 41W45 of housing 40 are processed simultaneously by the same tool, they have a good coaxial degree and are processed easily. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-2000355685-A (JP)
Title: Friction material
Inventor: IKETANI AZUMA
IPC: C09K3/14
Filed: 1999-06-15
Abstract: PROBLEM TO BE SOLVED: To provide metal based friction materials and resin based friction materials having high coefficients of friction and improved abrasion resistance which can suitably be used as brake materials and clutch materials. SOLUTION: In the friction material containing a matrix composed of at least one of Cu, Ni, Fe, and an alloy thereof, a lubricant, and a friction control agent, the friction control agent contains Al2O3 and ZrO2 and the weight ratio of Al203 to (Al2O3+ZrO2) in the friction control agent is 0.3-0.7.
Patent JP-H0456652-A (JP)
Title: Air bag
Inventor: ONOE SUSUMU
IPC: B60R21/16
Filed: 1990-06-25
Abstract: PURPOSE:To prevent the face of a driver from suffering a direct hit in a way that an air bag is developed in an elongated manner by forming a plurality of sewing spots extending from an outer peripheral edge toward a center, in a bagform air bag formed such that lower and upper base cloths are superposed with each other and the outer peripheral edges of the two cloths are sewn together. CONSTITUTION:The one surface of a plain weave fabric is coated with approximate 250g/m<2> of chloroprene rubber and vulcanization is carried out on a given condition. Two base cloths are superposed with each other in a state that the surface coated with chloroprene rubber is in, and cut off in a circle with a diameter of approximate 800mm, outer peripheral edges being sewn together. Sewing is effected by a distance of approximate 150mm from quatering points on a periphery toward a center, and a circular gas discharge port P is notched to provide a desired air bag. A broke line is a sewing locus, and this constitution prevents spherical expansion and development in a spherical shape of the air bag at the initial stage by means of high pressure gas injected through the gas discharge port P but develops the air bag in an elongated manner, and prevents the face of a driver from suffering a direct hit.
Patent JP-S6425932-A (JP)
Title: Co-type amorphous-metal filament
Inventor: MASUMOTO TAKESHI
IPC: C22C45/00
Filed: 1988-07-06
Abstract: PURPOSE:To easily obtain a Co-type amorphous-metal filament having a specific uniform wire diameter and also having circular sectional form, by subjecting an alloy having a specific composition consisting of Si, B, and Co to melt spinning. CONSTITUTION:An alloy having a composition which consists of, by atom, <=20% Si, 7-35% B, and the balance essentially Co and further contains, if necessary, <=30% of one or more kinds among <=30% Fe, <=20% Ni, <=10% each of Cr, Ta, Nb, and V, and <=5% each of Mo, Mn, W, and Zr and in which Si+B=7-35% is satisfied is melted and the resulting molten alloy is introduced into a rotary cooling medium, by which the molten alloy is solidified by rapid cooling to undergo spinning. By this method, the Co-type amorphous-metal filament having a wire diameter satisfying an inequality DF<=190-8¦Si-11¦-8¦B +0.8Si-25¦ [where DF represents the wire diameter (mum) of filament], a circular sectional form, and <=13% thickness uniformity in a longitudinal direction can be obtained. This filament is inexpensive and has corrosion resistance, high toughness, and high electromagnetic properties, so that it is useful as various industrial materials for electrical and electronic parts, composite material, fiber material, etc.
Patent JP-H05283473-A (JP)
Title: Film carrier semiconductor device and manufacture thereof
IPC: H01L23/495
Filed: 1992-06-26
Abstract: PURPOSE:To eliminate the bump formation not only on the bonding pad side of a semiconductor chip but also on the copper foil lead side thereby increasing the productivity of the title carrier semiconductor device. CONSTITUTION:In addition to a carrier tape 11 having sprocket holes 111, a device hole 112 and copper foil leads 14, an auxiliary carrier tape 15 whereon metallic pieces 152 are formed on the surface ends corresponding to respective positions on bonding pads 12A on a semiconductor chip 12 along the ends of the copper foil leads 14. The main carrier tape 11 and the auxiliary carrier tape 15 in aligned and overlapped state by the same sprocket feeding mechanism are fed to a thermo-compression bonding/eutectic forming means and after one ends of respective metallic pieces 152 are subjected to thermo-compression bonding to the ends of the copper foil leads 14, furthermore mechanically fed to the alignment positions of the copper foil lead 14 ends with the bonding pads 12A to be gang-bonded on the alignment positions.
Patent JP-H0458268-A (JP)
Title: Member for electrification
Inventor: KISHI JUNICHI
IPC: G03G15/02
Filed: 1990-06-28
Abstract: PURPOSE:To allow uniform electrification and to suppress the fluctuation in the volumetric resistance of a resin layer contg. flaky metallic powder at and under a low temp. and low humidity by providing the resin layer on a conductive elastic layer. CONSTITUTION:The resin layer contg. the flaky metallic powder having 10 to 1000 flattening rate (length/thickness ratio) is provided on the conductive elastic body 2. A protective layer for protecting the resin layer is provided on the outermost layer. This resin layer has the volumetric resistance ranging 10<6> to 10<12>OMEGA.cm and the thickness thereof is within a 5 to 500mum range. This member for electrification has a conductive base 10 having the form of a shaft and the conductive elastic layer 2 provided around this base and is provided with the resin layer 3 on this conductive elastic layer 2. Since such member for electrification has the resin layer 3 contg. the flaky metallic powder on the conductive elastic layer 2, the adhesiveness to an electrophotographic sensitive body is low and has resilience as well and, therefore, the member is effectively utilizable as the member for electrification which imparts images having high image quality, decreases the contamination with toners, lessens the fluctuation in the volumetric resistance of the resin layer even at and under the low temp. and low humidity and has durability.
Patent JP-H0333493-A (JP)
Title: Enclosed rotary compressor
Inventor: KOBAYAKAWA TAIICHI
IPC: F04C29/02
Filed: 1989-06-30
Abstract: PURPOSE:To ensure oil supply by furnishing a throttle plate so as to be situated in the lower bearing in the neighborhood of the bottom of an oil supply hole bored in a crank shaft, installing an oil supply pipe at this throttle plate, and thereby preventing drop of the oil level due to rotation. CONSTITUTION:A cylindrical throttle plate 17 with the lower part opened is fitted in the bottom opening of a lower bearing 6 of a crank shaft 4, and an oil supply pipe 15 is penetrated in the top center of this throttle plate 17. The bottom of this oil supply pipe 15 extends to a point very near the bottom surface of an enclosed vessel 1 and is left opened. A minute gap is retained between the bottom of the crank shaft 4 and the top of the throttle plate 17. In the lower part of this vessel 1, lubricant 14 is stored. When the crank shaft 4 rotates, the pressure distribution in the surrounding area assumes a parabolic curve with its rotational center the lowest to generate a differential pressure in the oil supply pipe 15 and in the vessel 1, and thereby the lubricant 14 is led to the oil supply hole 4b in the shaft 4. At this time, the oil supply pipe 15 remains out of rotation, so that no drop of the oil level occurs, and the lubricant is held in the gap to allow utilization for lubrication.
Patent JP-2000357793-A (JP)
Title: Insulated gate type bipolar transistor
Inventor: IMANAKA TAISHIN
IPC: H01L29/739
Filed: 1999-06-15
Abstract: PROBLEM TO BE SOLVED: To provide an insulated gate type bipolar transistor wherein the durability can be improved by suppressing the latch up operation. SOLUTION: An n--type epitaxial layer 2 is formed on a p-type Si substrate 1, a gate electrode 4 is disposed thereon through a gate insulation film 3, p-type impurity diffused regions 6, 7 are formed at the ends of the gate electrode 4 on a surface layer part of the epitaxial layer 2, and an n+-type impurity diffused region 8 is formed in the interior thereof. A first emitter electrode 9 contacts both diffused regions 6, 7 and the region 8. A p+type impurity diffused region 10 is formed on a surface layer part of the epitaxial layer 2, a collector electrode 11 contacts the diffused region 10, and a second emitter electrode 12 is formed on the entire back surface of the Si substrate 1.
Patent JP-H05194388-A (JP)
Title: 2,6-diarylpiperidin-1-yl substituted 2-butene stabilizer
Inventor: GUREN TEII KUNKURU
IPC: C07D211/60
Filed: 1992-06-03
Abstract: PURPOSE: To provide new compounds useful as a stabilizer for organic materials such as polyolefins, elastomers against the harmful effects of oxygen, heat, and chemical radiation.  
     CONSTITUTION: The compounds of the formula I and the formula II, e.g. 1,4-bis2,6-diphenylpiperidin-1-yl)-2-butene, are obtained by, for example, reacting a proper sec. amine such as 2,6-diphenylpiperidine and 1,4-buto-2-ene-dioldiacetate with each other in a solvent such as THF in the presence of a catalyst such as tetrakis(triphenylphosphine)palladium (O). In the formulae I, II, E 1 , E 2  are each a 1-30C alkyl, 5-12C cycloalkyl, aralkyl, aryl; T is an aryl of the formula III [wherein Ar 1 , Ar 2  are each a 6-10C aryl, 1-20C alkyl, 5-12C cycloalkyl, etc.; R 1  to R 4  are each H, a 1-30C alkyl, 3-20C alkynyl, 6-10C aryl, etc.; L 1  is H, -OR 25  (R 25  is H, a 1-30C alkyl), etc.], etc. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H077278-A (JP)
Title: Locking structure for battery cover
Inventor: TSUTAICHI FUMIO
IPC: H01M2/10
Filed: 1993-06-14
Abstract: PURPOSE:To lock an operating battery cover and to prevent simultaneous removal of both batteries by locking a locking member to a second connecting position when the member is moved to a second position and locking the member to a first connecting position when the member is moved to a first position. CONSTITUTION:An operating side locking piece 18 is formed to protrude to an operating battery container 5 and a back-up side locking piece 19 [second locking part] is formed to protrude to a back-up battery container 6 at a locking member 14. A first locking part 20 protruding to the rear surface side of a case 2 is formed at the tip of the piece 18. The part 20 is connected to a protruding strip 11 formed at a latch piece 10 of an operating battery cover, and when the member 14 is slid to a first position, the member 14 is connected to the strip 11. The piece 19 is connected at its corner to a connecting part 13 of the back-up battery cover by sliding the member 14 to a second position.
Patent JP-H0457432-A (JP)
Title: Clock synchronizing system
Inventor: YOSHIDA NAOMASA
IPC: H04L27/00
Filed: 1990-06-26
Abstract: PURPOSE:To realize a constant and short synchronization time by adopting a clock synchronizing system of a pseudo open loop type in which a clock phase estimate device and a broad band PLL are combined. CONSTITUTION:An A/D converter 2, an envelope detection means 3, a sine wave generating means 4, a phase correlation detection means 5, and a low pass filter 6 make repetitive processing for a period Ts of an output clock of an oscillator 1, and a tangent calculation means 7, a phase comparator 9, a subtractor 10 and a digital VCO 11, an adder 12 and an interpolation means 13 make repetitive processing for a period Tc of a synchronizing clock being an output of the digital VCO 11. Thus, the pseudo open loop type clock synchronizing system realizing a constant and short synchronization time is offered.