baber/WOPTO huggingface dataset:
Patent JP-S61104052-A (JP)
Title: High-strength ferrous sintered alloy
Inventor: TAKAHASHI YOSHITAKA
IPC: C22C38/00
Filed: 1984-10-27
Abstract: PURPOSE:To obtain a high-strength ferrous sintered alloy easily at a low cost, by incorporating copper mother alloy powder which has a specific solidus line and contains specific amounts of Ni with inevitable impurities and graphite powder to the ferrous powder for powder metallurgy by specific percentage, mixing them to be compacted, and sintering the resulting compact under specific conditions. CONSTITUTION:The mother alloy powder (0.5-10wt%) having its solidus line at 1,100-1,200 deg.C and consisting of 3-30wt% Ni, <=1wt% inevitable impurities, and the balance essentially Cu and the graphite powder (<=1.5wt%) are mixed with the ferrous powder for powder metallurgy such as iron powder or blend powder for powder metallurgy, or prealloy powder, and compacted. This compact is sintered under the conditions in which the liquid phase of the mother alloy powder is formed, to obtain the high-strength ferrous sintered alloy.
Patent JP-H1068487-A (JP)
Title: Pipe joint
Inventor: OZAKI YOSHITO
IPC: F16L37/10
Filed: 1996-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a pipe joint capable of suitably utilizing mainly in the connection of plastic pipes, excellent in workability, inexpensive, hard to slip off and quickly connectible. SOLUTION: A split ring 8 is loosely fitted in an annular groove 6 installed on the inner circumferential surface of a female side tubular body 2, and a male side tubular body 1 is inserted into a socket 3 of the female side tubular body 2. If so, the split ring 8 expands its diameter wide along the outer circumferential surface from a tip of the make side tubular body 1. When the male side tubular body 1 is reaches to an innermost part of this socket 3 of the female side tubular body 2, the split ring 8 is elastically restored and fitted in another annular groove 4 installed on an outer circumferential surface of the male side tubular body 1, and when the male side tubular body 1 is drawn outward successively, the split ring 8 is held between both these annular grooves 4 and 7, and thus a quickly connective pipe joint sealed by a seal ring 9 is obtained.
Patent JP-2000050930-A (JP)
Title: Round fan
Inventor: OTA KAZUO
IPC: B44C1/17
Filed: 1998-08-11
Abstract: PROBLEM TO BE SOLVED: To manufacture many kinds of round fans which are applied with design patterns of high fineness and have a luxurious feel relatively easily in a short time, to manufacture these fans without requiring skilled persons and to provide the fans at an exceedingly lower cost than heretofore. SOLUTION: This round fan 1 is constituted by affixing crepe sheets 5 formed by a lining crepe 3 with machine-made paper 4 to at least one surface side of a skeleton 2 and applying the design patterns 7 by dye ink to the surfaces on the crepe 3 side of these crepe sheets 5. Printing by an ink jet method or sublimation type heat transfer method may be adopted as the method for applying the design patterns 7 by the dye ink to the surfaces on the crepe 3 side of the crepe sheets 5.
Patent JP-H0971477-A (JP)
Title: Electrofused refractory material and refractory using the same
Inventor: NAKAMURA RYOSUKE
IPC: C04B35/657
Filed: 1995-09-04
Abstract: PROBLEM TO BE SOLVED: To improve the corrosion and spalling resistances by including a Cr2 O3 component, an Al2 O3 component, an Fe2 O3 component and an MgO component there in. SOLUTION: This electrofused refractory material is obtained by adding at least one component selected from a Cr2 O3 component, an Al2 O3 component, an Fe2 O3 component and an MgO component to a natural chrome mineral for refractory or the natural chrome mineral containing 15-65wt.% Cr2 O3 component, 5-50wt.% Al2 O3 component, 1-30wt.% Fe2 O3 component and 10-35wt.% MgO component and electrofusing the prepared mixture. The produced electrofused refractory material has <=1.5 molar ratio of MGO/(Cr2 O3 +Al2 O3 + MgO). A binder, a modifier, etc., as necessary, are mixed with 5-85wt.% resultant electrofused refractory material and 10-95wt.% magnesia and the obtained mixture is then formed and, as necessary, subsequently baked at 1,500-1,900 deg.C for >=3hr to afford the refractory.
Patent JP-S60119563-A (JP)
Title: Electrophotographic sensitive body
Inventor: KUBO TAKASHI
IPC: G03G5/05
Filed: 1983-12-02
Abstract: PURPOSE:To improve the durability, moisture resistance, solvent resistance, etc., of a photosensitive layer by using mixed resin composed of acrylic resin with specific properties and amino resin which is made into methylol and then etherified as binder resin for the formation of the photosensitive layer. CONSTITUTION:100Pts.wt. acrylic resin (A) which has a 15-70 deg.C glass transition point, 10-40 acid number, and >=5,000 mean number molecular weight and 5- 100pts.wt. amino resin (B) which has a structure shown by a formula I or II(each R, R' is H or alkyl) in a molecule are mixed. This mixed resin is used as the binder resin and mixed with a photoconductive material (e.g. Se and CdS), then the mixture is applied over a conductive base and dried to form a photosensitive layer, thus obtaining an objective electrophotographic sensitive body. The amino resin having the structure shown by the formula I or II in a molecule is obtained by being made into methylol and then etherified and, for example, melamine resin is used.
Patent JP-S6382658-A (JP)
Inventor: GUREN ARUFURETSUDO UIRIAMUZU J
IPC: A61F5/042
Filed: 1986-09-25
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-2001050490-A (JP)
Title: Float type drain trap
Inventor: WATANABE KENICHI
IPC: F16T1/22
Filed: 1999-08-11
Abstract: PROBLEM TO BE SOLVED: To provide a float type drain trap that can discharge large quantity of low-pressure drain quickly. SOLUTION: In this drain trap, a casing with a valve chamber 3 inside is formed by a main body 1 including an entrance 4, an exist passage 5 and an exit 6, and a cover 2 connected to the main body 1. A valve seat 8 on which a valve hole 7 connecting the valve chamber 3 and the exit 6 is opened, is formed on the lower side wall in the valve chamber 3. A float 9 of hollow sphere which opens and closes the valve hole 7 is arranged in the valve chamber 3 possible to move freely. A piston 12 as a pressure responsive member on which an orifice 11 connecting the valve chamber 3 and the exit 6 is opened, is arranged under the valve chamber 3 possible to move freely. A throttle member 13 fixed on the main body 1 is arranged at the exit 6 side of the piston 12 facing to the orifice 11.  A spring 14 to separate the piston 12 from the throttle member 13 is arranged between the orifice member 12 and the throttle member 13. The piston 12 displaces itself to the opposite side to the throttle member 13 to enlarge the passing area of the orifice 11 when the fluid pressure at the entrance 4 side is low. And the piston 12 displaces itself to the throttle member 13 side to make the passing area of the orifice 11 smaller when the fluid pressure at the entrance 4 side is high.
Patent JP-H1168507-A (JP)
Title: Chip-type piezoelectric filter and filter circuit using the same
Inventor: TAKASHI KENJI
IPC: H03H9/205
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a multi-functional type filter that has a simple construction and is suitable for mass production. SOLUTION: This filter consists of a laminated body, equipped with plural piezoelectric substrates 2x and 2y having oscillation parts 3x, 4x, 4y and 4y which have frequency response characteristics different from one another. On the outer surface of the laminated body, plural connection terminal parts 25x, 26x, 25y, 26y and 27, which are connected to the oscillation parts 3x, 4x, 3y and 4y of each piezoelectric substrates 2x and 2y, are formed. Moreover, each oscillation part can be used selectively.
Patent JP-2001053078-A (JP)
Title: Ig processing method of silicon wafer, ig wafer formed therethrough, and silicon single crystal ingot used therefor
Inventor: FURUYA HISASHI
IPC: C30B29/06
Filed: 1999-08-11
Abstract: PROBLEM TO BE SOLVED: To obtain an IG wafer which undergoes a fewer number of thermal treatments in a wafer state, obtains a required IG effect through a thermal treatment carried out at 900 deg.C or below, and is high in IG performance, and to obtain a silicon single crystal ingot adapted for the IG wafer. SOLUTION: A silicon wafer which is sliced off from a silicon single crystal ingot, ground and polished, is subjected to an IG processing method where it is quickly heated with a temperature rise rate of 10 deg.C/minute in the temperature range from a room temperature to 800 to 900 deg.C and left to stand for 0.5 to 30 minutes. An ingot is pulled up from a silicon melt so as to be formed of a perfect region [P] where no hole defect aggregate and no interstitial silicon defect aggregate exist. The ingot which is pulled up from a silicon melt, free from dislocations, and contains oxygen deposits of 1×106 to 1×1010/cm3 is held at the temperature range from a room temperature to 650 deg.C for 0 to 3 hours, then held at 700 to 800 deg.C for 3 to 10 hours, and then cooled down to a room temperature.
Patent JP-S60119570-A (JP)
Title: Photoconductive member
Inventor: SAITOU KEISHI
IPC: G03G5/08
Filed: 1983-12-01
Abstract: PURPOSE:To obtain a photoconductive member having excellent photosensitivity, etc. by forming successively an amorphous photoconductive layer contg. Si and Ge as well as the oxygen atoms distributed ununiformly in the layer thickness direction and an amorphous photoreceptive layer contg. Si and nitrogen atom on a base. CONSTITUTION:The 1st photoconductive layer 102 constituted of an amorphous material contg. silicon atom and germanium atom is provided on a base 101 for a photoconductive member and the oxygen atoms distributed ununiformly in the layer thickness direction are incorporated into the layer 102 to form the 1st layer region 104 having C1 oxygen concn., the 3rd layer region 106 having C3 oxygen concn. and the 2nd layer region 105 having C2 oxygen concn. (C3>C2, C1; C2not equal to C1) successively from the base 101 side in this order. A photoreceptive layer 103 constituted of an amorphous material contg. silicon atom and nitrogen atom is formed on the layer 102, by which an intended photoconductive member 100 is obtd.
Patent JP-H0780061-A (JP)
Title: Endotoxin adsorptive material and its production
Inventor: MURASHIGE YOSHIO
IPC: A61M1/36
Filed: 1993-09-13
Abstract: PURPOSE:To efficiently produce endotoxin-free water at a low cost and to remove the endotoxin in protein at a low cost by insolubilizing a polyethylene imine having a number average mol.wt. of a specific value in water and immobilizing the same to the surface of inorg. matter. CONSTITUTION:This endotoxin adsorptive material is formed of a composite material formed by insolubilizing the polyethylene imine of the number average mol.wt. of 500 to 1000000 in water and immobilizing the same to the surface of the inorg. matter. The adsorptive material described above is produced by the process for production, dissolving the polyethylene imine of the number average mol.wt. of 500 to 1000000 in a solvent, then coating the surface of the inorg. matter with this solvent and subjecting the inorg. matter to a heat treatment to make the polyethylene imine insoluble in water, thereby forming the composite material immobilized with the polyethylene imine on the surface of the inorg. matter.
Patent JP-S60119543-A (JP)
Title: Positioning device for disk film
Inventor: SHIRAISHI ATSUSHI
IPC: G03B27/62
Filed: 1983-12-01
Abstract: PURPOSE:To rotate a disk film without the need to rotate it by coupling the disk film with a support shaft for the disk closely, and rotating the disk film through the support shaft. CONSTITUTION:The disk film 20 is supported by being fitted around the outer circumference of a support shaft 60 at a supply station, and a moving base 10 is swiveled to move the disk film to an information processing station; and a swing bracket 124 is held horizontally by a cam to link the upper end of a driving shaft 140 with the support shaft 60. The driving shaft 140 and film 20 rotate by the rotation of a gear 148 coupled with a motor to read recorded information or input information. Therefore, it is not necessary to rotate a driving means around a center shaft together with the moving base, and the film is rotated without moving.
Patent JP-H08166023-A (JP)
Title: Overload clutch
Inventor: RAINAA BANUMAN
IPC: F16D7/04
Filed: 1995-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a clutch for transmitting torque from a motor to a device to be driven by using a spring elastic pressure element for limiting torque to be transmitted. SOLUTION: At least one of the opposing surfaces of pressure rings 20 and 21 has depressions 22, 23, and the depressions are connected for operation to at least one locking spring element 1 for gripping a clutch hub detachably in a shape engaging manner.
Patent JP-H0658148-A (JP)
Title: Cooling device for internal combustion engine
Inventor: YOSHIDA HIROSHI
IPC: F01P11/18
Filed: 1992-08-05
Abstract: PURPOSE:To obviate a need for a countermeasure for the strength of a roof floor by arranging a radiator for cooling water at a high place, such as a roof, and coupling an expansion tank provided at the interior with a diaphragm and an air pressure regulating valve, a pump for the feed of water, and a pressure cistern, having a pump for the feed of water and a level switch, to a piping on the ground side. CONSTITUTION:A pump 13 attendant to a pressure cistern 12 is coupled to a piping 8b and the level switch 15 is provided. An expansion casing 16 comprises a diaphragm 18 of a rubber material, with which a casing 16c made of a metal is sealed, and an air regulating valve 21, and is provided with a water chamber on the upper side of the diaphragm 18 and an air chamber on the lower side thereof. When the temperature of cooling water for an internal combustion engine 1 is increased and the cooling water is expanded, water enters the water chamber, and the diaphragm 18 is lowered to balance a pressure. When a pressure in a piping is abnormally increased, a pressure response valve 19 is opened and water is escaped to the cistern 12. Since an expansion tank, a pressure cistern, and a water feeding means are arranged on the ground, there is no need for a countermeasure for the strength of a roof floor.
Patent JP-H0660787-A (JP)
Title: Electromagnetic opening and closing device
Inventor: WATANABE KATSUMI
IPC: H01H50/60
Filed: 1992-08-04
Abstract: PURPOSE:To improve the contact reliability between contacts. CONSTITUTION:A movable contact 8 of twin contact style is fixed to the electrode contact surface side of a movable iron piece 5 to form a closed loop for enclosing an iron core 3 in the state where the movable contact 8 and a fixed contact 10 make contact to each other, and since an induction current based on the magnetic flux of an electromagnetic coil 4 is carried in this cable run between the contact surfaces of movable contacts 9A, 9B to fixed contacts 11A, 11B, high contact reliability can be provided even in case of a minute load current.
Patent JP-S60120734-A (JP)
Title: Transparent, heat- and impact-resistant resin composition
Inventor: OOTANI IKUJI
IPC: C08F212/00
Filed: 1983-12-02
Abstract: PURPOSE:To obtain a thermoplastic resin composition which is excellent in transparency and heat, impact and oil resistances and can be inexpensively supplied, by mixing a specified graft copolymer with a matrix polymer. CONSTITUTION:A resin composition comprising 5-50wt% (A) graft copolymer obtained by graft-polymerizing an aromatic vinyl compound and an alkyl methacrylate with a rubber comprising polybutadiene or a butadiene copolymer containing at least 60wt% butadiene units and 95-50wt% (B) matrix polymer which comprises 20-89.5wt% methyl methacrylate units, 5-74.5wt% six-membered ring acid anhydride units of the formula (wherein R1 and R2 are each methyl or H), 5-69.5wt% aromatic vinyl compound units, and 0.5-20wt% (meth)acrylic acid units and which has a viscosity as measured in a 10wt% MEK solution at 25 deg.C of 3-20cP. The refractive index of the copolymer A should be equal to that of polymer B.
Patent JP-S6384601-A (JP)
Title: Liquid supply device for centrifugal thin film dryer
Inventor: FUJIMAKI KOJI
IPC: G21F9/08
Filed: 1986-09-29
Abstract: PURPOSE:To prevent the erroneous control due to noise by comparing the variations in the liq. level in a head tank with the variations in the flow rate of the supply liq., and regulating the opening of a flow control valve when both signals fluctuate simultaneously and violently. CONSTITUTION:The head tank 3 is provided above the centrifugal thin film dryer 1, and waste liq. 4 is supplied into the dryer 1 by the water head due to the level 3a in the head tank 3. A supply liq. tank 6 is connected to the tank 3 through a pipeline 5, and the flow control valve 8 is furnished to the pipeline 5. A liq. supply rate detector 10 and a head tank level detector 101 are provided to the system, the flow control valve 8 is actuated by the signal of the flow controller 11 only when both signals fluctuate simultaneously and violently, and feedback control is carried out. By this method, noise components are removed, and stable operation can be carried out.
Patent JP-S59122420-A (JP)
Title: Local ointment
Inventor: FUJIMOTO KATSUO
IPC: A61K31/165
Filed: 1982-12-28
Abstract: PURPOSE:An ointment having viscosity in a specific range, high stability and good feeling in application, containing menthol and/or camphor and a specific basic compound as active ingredients, adding a carboxyvinyl polymer as a gelatinizing agent to them. CONSTITUTION:A local ointment containing menthol and/or camphor, and 0.5- 3.5wt% at least one basic compound selected from diphenhydramine, dibucaine, lidocaine, chlorpheniramine, and ephedrine as active ingredients, 1-3wt% carboxyvinyl polymer as a gelatinizing agent, having viscosity in 50,000-250,000 centipoise (Brookfield type viscometer, BH type, 7 rotor, 4 rpm) range at 20 deg.C. By the addition of the compound, the ointment capable of providing transparent and extremely improved gel, having stability for a long time, improved extensibility and spreadability, and desired viscosity can be obtained.
Patent JP-2001057763-A (JP)
Title: Motor controller
Inventor: KOBAYASHI KAZUMI
IPC: H02H9/02
Filed: 1999-08-12
Abstract: PROBLEM TO BE SOLVED: To provide a motor controller which is capable of shutting down a motor driving circuit positively when a PTC element is heated abnormally, is highly safety, and is capable of being manufactured at a low cost, without the need for forming the shape of the PTC element into a specific one. SOLUTION: This motor controller is provided with a PTC element 5 controlling the starting current of a motor, and an overcurrent preventing circuit 6 for the motor. Soldering 12, brazing filler metal or a bimetal member is provided as a temperature sensing means of the PTC element 5. This controller is also arranged to cut off a contact 8 of the over current preventing circuit 6 by means of decomposition or deformation caused by the temperature sensing means above its preset temperature.
Patent JP-S6472537-A (JP)
Title: Solder bump carrier
Inventor: YAMAZAKI MINEO
IPC: H05K3/34
Filed: 1987-09-14
Abstract: PURPOSE:To reduce risks in producing poor product quality of a semiconductor chip by using an insulating film, wherein a hole is bored on a predetermined position thereon and a predetermined amount of paste solder is printed and held on the hole, for a facedown bonding of the semiconductor chip. CONSTITUTION:An insulating film, wherein a hole is bored on a predetermined position thereof and a predetermined amount of paste solder 3 is printed and held on such hole, is used for a facedown bonding of a semiconductor chip 4. For example, holes are bored on a film 1, wherein forwarding perforations 2 are formed, so that the semiconductor chip to be connected thereto can be interfaced, and the paste solder is held on the holes. By performing a facedown bonding using a solder bump carrier such as referred to above, the semiconductor chip 4 is mounted onto a mounting board 5. According to the constitution, which enables a mounting by means of facedown bonding without forming a solder bump on the semiconductor chip, the mounting operation is stress-free when forming a solder bump on the semiconductor chip, whereby the product quality of the semiconductor can be improved.
Patent JP-H1166896-A (JP)
Title: Semiconductor storage device and its testing method
Inventor: MASUTANI HITOSHI
IPC: G11C29/00
Filed: 1997-08-25
Abstract: PROBLEM TO BE SOLVED: To obtain a semiconductor storage device and its testing method capable of measuring by setting a bank constitution with a test mode signal. SOLUTION: Relating to the output signal BAKN of a bonding option switching circuit 102 determining the bank constitution, the bank constitution is changed with the test mode signal TETBA by inputting a logic signal TBAKN of an output signal TETBA of a test mode signal generating circuit 104 into a bank switching circuit 103. Therefore, measuring by the same test pattern is allowed even in the semiconductor storage device having a difference tank constitution, whereby the man-hour for manufacturing the test pattern is reduced. Also, a testing time is reduced by a bank multi-operation.
Patent JP-H0391724-A (JP)
Title: Nonlinear optical material consisting of high polymer thin film and production thereof
Inventor: OGATA NAOYA
IPC: C08G73/22
Filed: 1989-09-04
Abstract: PURPOSE:To obtain the nonlinear optical material consisting of the high polymer thin film having excellent moldability, workability, chemical stability, laser damage resistance, mechanical strength, etc., and having quadratic nonlinear optical characteristics by using the high polymer orientational thin film having a heterocyclic arom. polymer unit as its unit structure. CONSTITUTION:The nonlinear optical material of this invention is constituted of the high polymer orientational thin film contg. at least one kind of the unit structures expressed by formula 1-a. [In the formula, Ar is an arom. group; x is a group selectred from the group consisting of NR<2>, S, O, Se and Te; R<2> is hydrogen, arom. group or aliphat. group; R<1> is an arom. group, heterocyclic arom. group, sated. aliphat. group or unsatd. alighat. group; Y is an electron receptive group; Z is an electron donative group.] Such orientational thin film is constituted by accumulating extremely thin films. The number of the accumu lated layers is not particularly limited and is >=1 layers, more preferably 10 to 200 layers. The substrate to be laminated with the orientational thin film is exemplified by glass, guartz, high polymers, metals, etc.
Patent JP-H0866778-A (JP)
Title: Water cooled welding cable
Inventor: ITO TAKESHI
IPC: H01B7/00
Filed: 1994-08-30
Abstract: PURPOSE: To improve the cooling effect by smoothly making the flow of a cooling water in a cooling water channel inside a covered hose. CONSTITUTION: A copper strand wire 6 banding many numbers of copper wires is housed inside a covered hose 5 of a welding secondary cable 1, a cooling water channel 7 is installed surrounding the copper strand wire 6 along the longitudinal direction, an end of the copper stranded wire 6 is connected to a transformer 36 through a kickless cable 34 and the other end is joined to an electrode 26 of a welding gun 25. The down stream side of the cooling water channel 7 in the covered hose 5 is banded with a banding band 8, and the banding force against the covered hose 5 with the banding band 8 is set into the force of a grade, at least, so that the internal circumferential part of the banded place 5a in the covered hose 5 is made in contact with the external circumferential part of the copper strand wire 6.