baber/WOPTO huggingface dataset:
Patent JP-H05177831-A (JP)
Title: Ink jet printing head and electronic device equipped therewith
Inventor: EMA YASUSHI
IPC: B41J2/14
Filed: 1991-12-27
Abstract: PURPOSE:To provide an ink jet printing head realizing still more high densification and solving a problem such as a failure of emission of ink or the lowering of printing quality. CONSTITUTION:A large number of individual ink passages 12 are formed on a photosensitive glass substrate 10 susceptible to anisotropic etching in an array form by anisotropic etching so as to extend from the rear end of the glass substrate 10 to the front end thereof and a vibration plate 20 is attached to the glass substrate 10 on the side having the individual ink passages 12 formed thereon so as to cover all of the individual ink passages 12 and a common electrode 31 is provided on the vibration plate 20 and individual piezoelectric elements 30 are fixed on the common electrode 31 so as to be positioned above the individual ink passages 12 and individual electrodes 32 are provided on the individual piezoelectric elements 30. Therefore, when voltage is applied across the common electrode 31 and the individual electrodes 32, the individual piezoelectric elements 30 are displaced downwardly and the corresponding parts of the vibration plate 20 are curved and deformed to reduce the ink volumes of the individual ink passages 12 to push out the ink of the individual ink passages 12.
Patent JP-H05179119-A (JP)
Title: Polycarbonate resin composition and preparation thereof
Inventor: OKAMOTO MASAYA
IPC: C08K3/00
Filed: 1991-12-27
Abstract: PURPOSE:To provide the title composition improved in mechanical properties and transparency by kneading a specific polycarbonate copolymer, glass and a polycarbonate resin. CONSTITUTION:10-95wt.% Polycarbonate copolymer (A) containing 50-0.1 pt.wt. comonomer units selected from among organosiloxane unit, acrylic monomer unit, dihydric phenol unit and linear aliphatic dibasic carboxylic acid unit as comonomer components, 5-70wt.% glass fiber (B) with a length of 1-8mm and a diameter of 3-30mum and 0-85wt.% polycarbonate resin (C) are kneaded at 250-300 deg.C to obtain a polycarbonate resin composition wherein the difference in refractive index between a mixture of the components A and C and the component B is not more than 0.01.
Patent JP-H09157498-A (JP)
Title: Epoxy resin composition for fiber-reinforced composite material, prepreg and fiber-reinforced composite material
Inventor: KAWACHI SHINJI
IPC: C08G59/56
Filed: 1995-12-12
Abstract: PROBLEM TO BE SOLVED: To obtain an epoxy resin composition for fiber-reinforced composite material which contains an epoxy resin, particles containing an amine and a boric ester, and shows excellent storage stability, handleability and economy and is useful in structural materials for air crafts or sport gears. SOLUTION: This composition contains (A) an epoxy resin, (B) an amine with an average particle size of <=10μm, preferably an imidazole derivative, and (C) a boric ester. In the component B, the distribution of particles of >=20μm is preferably less than 10% and the content of the amine in the particles is preferably >=5wt.%, particularly 20-80wt.%. The objective composition is obtained by pre-treating the component B with the component C on its surface and kneading the treated product together with the component A and, when necessary, other raw materials.
Patent JP-H05179741-A (JP)
Title: Floor structure
Inventor: INOUE TAKAHIRO
IPC: E04B5/02
Filed: 1991-12-27
Abstract: PURPOSE:To provide a floor structure in which construction work is easy and noises are prevented when cars are running. CONSTITUTION:A pair of right and left first frame members 22 extending to the crossing direction against the longitudinal direction of a beam are arranged to constitute a floor unit 16 at the lower side of a second frame member 24 in addition to the second frame members 24 extending to the longitudinal direction of the beam 12 and a plurality of unit panels 26 extending to the crossing direction against the longitudinal direction of the beam 12. Both ends of the first frame member 22 are placed and fixed on the bracket 30 provided at the beam 12 side for laying down respective units 16. And the upper and lower dimensions of both frame members 22, 24 and the bracket 30 are determined so that the unit panel 26 may be held at the upper level than the beam 12 in this laid dawn condition.
Patent JP-H07193073-A (JP)
Title: Manufacture of silicon wafer
Inventor: ISHIKAWA SHIN
IPC: H01L21/324
Filed: 1993-12-27
Abstract: PURPOSE:To form crystal defects which fix contaminant element effectively by a method wherein, after a heat treatment by which defects in an element activating region are eliminated and, further, the density of crystal defects caused by oxygen deposition is made to be within a specific range, Cu is added to have a specific concentration. CONSTITUTION:A silicon wafer is subjected to a heat treatment by which defects in the element activating region of the silicon wafer are eliminated and, further, the density of crystal defects caused by oxygen deposition is made to be not less than 10<9>cm<-3> and not larger than 10<11>cm<-3> Further, Cu is added to the silicon wafer so as to have a concentration not less than 10<12> atoms.cm<-3> and not larger than 2X10<14> atoms.cm<-3>. By this method, Cu captured by the crystal defects in the silicon wafer is deposited and, further, a secondary crystal defects caused by the deposition of Cu are formed. With this constitution, the capability of gettering of contaminant element can be improved.
Patent JP-H05182227-A (JP)
Title: Optical pickup
Inventor: MOURI MASANARI
IPC: G11B7/123
Filed: 1991-12-27
Abstract: PURPOSE:To stabilize the optical characteristic of an optical unit by preventing the adhesion of a dust and dew condensation in the light transmission area of the optical unit. CONSTITUTION:The optical unit is formed by the optical base 18 of a rough plate shape fixing a semiconductor laser 11, a prism 14, a photodetector 16 and a flexible printed board 17 and the optical holder 19 of a rough box shape fixing a mirror 13 and an objective lens 15, and the optical unit reveals the effect that the optical characteristic is stabilized remarkably by preventing the adhesion of a dust and the dew condensation in the light transmission area since the inside part is sealed by a means of adhesion, etc. Further, the unit reveals the effect that the oxidation of the semiconductor 11 and the photodetector 16 are prevented by enclosing an inert gas into the inside of the optical unit.
Patent JP-H11182155-A (JP)
Title: Paper screen and heat insulated door therewith
Inventor: MASUYAMA SHINSAKU
IPC: E06B7/16
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To enhance the heat insulating effect by forming the area around a paper screen in a high air-tight structure, and thereby suppressing the convection. SOLUTION: A door is formed from a door body frame 20 consisting of vertical frames 20a and 20b and crosswise frames 20c and 20d and a paper screen 30 to be opened and closed within the body frame in such a way capable of rising and falling. Each vertical frame as well as each crosswise frame is formed in a joined body of an outdoor side metal frame and an indoor side synthetic resin frame 41. The paper screen is equipped with stile 32a and 32b, rail 32c and 32d and a paper screen sheet 31, and the stile and rail are coupled together by corner joints J. Each corner joint J is equipped with a fin seal 34 on the vertical frame opposing surface so as to shiel the area between the corner joint and each vertical frame.
Patent JP-2000161654-A (JP)
Title: Combustion device by heat storage type burner and combustion method
Inventor: SUDO ATSUSHI
IPC: F23L15/02
Filed: 1998-11-20
Abstract: PROBLEM TO BE SOLVED: To improve combustion efficiency and heating capacity and hold furnace atmosphere non-oxidative by a method wherein this combustion device is a device to alternately perform fuel combustion and combustion gas exhaust of a pair of heat storage type burners, combustion is momentarily switched, and incurring of a time loss occasioned by the switching is reduced. SOLUTION: This device is constituted that at least one pair of heat storage type burners 2a and 2b provided with heat storage bodies 3a and 3b are arranged at a furnace body 1, and when fuel combustion is effected by one heat storage type burner, combustion gas in the furnace is discharged from the other heat storage type burner and the heat storage bodies are heated and combustion air is preheated by combustion gas by alternately performing fuel combustion and discharge of combustion gas by the two heat storage type burners. In this case, three-way switching valves 9a and 9b are directly integrally arranged at the backs of the heat storage bodies of the two heat storage type burners. The back of the heat storage body communicated with an air supply pipe 10 or an air exhaust pipe 12 through switch of the three-way switch valves.
Patent JP-H07191541-A (JP)
Title: Production of magnet roller
Inventor: IMAMURA TAKESHI
IPC: G03G15/08
Filed: 1993-12-27
Abstract: PURPOSE:To integrate magnet pieces to a core shaft and to omit an adhering stage by forming magnetic poles in different positions of the circumferential direction of the magnet piece having a central angle exceeding a specific value and in another magnet piece. CONSTITUTION:The magnet piece A having the central angle exceeding 180 deg. is integrally injection molded to the core shaft 1A arranged in molds 2 while a magnetic field for imparting anisotropy to the magnet piece A in the molds 2. Another magnet piece B is inserted and fixed into a sectorial gap part 4 of the magnet piece A to constitute a roller body as a whole. This roller body is magnetized, and the magnetic poles are formed in the different positions of the circumferential direction of the magnet piece A and in another magnet piece B. Since the central angle of the molded product of the magnet piece A exceeds 180 deg., shrinkage force acts in the radial direction of the inserted core shaft 1A and, therefore, the stage for sticking the magnet piece A is eliminated.
Patent JP-H11147549-A (JP)
Title: Non-open type spout having squeezing mouthpiece
Inventor: KAI SHIGEO
IPC: B65D35/02
Filed: 1997-11-12
Abstract: PROBLEM TO BE SOLVED: To seal a packaging bag with a lid, and prevent a content from leaking out while the work is interrupted by a method wherein a hollow cylinder is erected on a pedestal, and the lid is provided on the head of the cylinder, and at the same time, in a spout having a groove provided between the cylinder and the lid, an opening and a mouthpiece are inserted. SOLUTION: The lower part of a spout 1 is made into a vessel-shape, and the spout 1 is made totally weldable with a packaging bag 2. Also, a pedestal 4 having a welding part 11 where a rib is provided is formed and on the pedestal 4, a hollow cylinder 5 having an opening is erected. At the head of the cylinder 5, a lid 7 having a protruding part 6 is formed, and a hollow cylindrical mouthpiece 13 which is tapered in, is formed with an outer diameter which is smaller than the inner diameter of the cylinder 5, and the mouthpiece 13 is slidably inserted in the spout 1. Also, on the top of the mouthpiece 13, an opening of an appropriate shape is provided, and at the lower part, a base part 15 is formed so that the mouthpiece 13 may not be slipped out from the spout 1.  The top of the packaging bag 2 is welded to the welding part 11, and a filler is charged into the bottom part of the packaging bag 2.
Patent JP-H10178811-A (JP)
Title: Planting depth adjustment device for transplanter
Inventor: YOSHIDA YOSHINORI
IPC: A01B63/114
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To dissolve problems that machine body weight is increased and arrangement performance is deteriorated since the entire machine body constituted of heavy objects such as an engine, a traveling speed change device, a handle and a planting part, etc., is elevated and lowered by a linking mechanism utilizing a hydraulic device in a conventional transplanter. SOLUTION: One end of a front spindle 27 is fixed to a main machine for which the engine and a speed change device for traveling are arranged at the upper part of a driving wheel 12 traveling on a ridge groove, a traveling wheel is supported on the other end side of the front spindle 27, a supporting frame 31 is projected to the rear part of the main machine and a planting frame is supported to the front spindle 27 and the supporting frame 31 through a planting depth adjustment mechanism. The planting part 20 composed of a transplanting opening machine 21 and a seedling supply mechanism is held to the planting frame, the front part and rear part of the planting frame are freely vertically adjustably supported and a tail wheel positioned at the rear part of the main machine is freely vertically position adjustably attached to the supporting frame.
Patent JP-H05156318-A (JP)
Title: Production of casing for centrifugal pump
Inventor: ARAI MITSURU
IPC: F04D29/42
Filed: 1991-12-05
Abstract: PURPOSE:To reduce the thickness, to smooth the passage of a fluid and to shorten the production process by bonding the halves of a casing formed with metal powder, sintering and integrating the assembly. CONSTITUTION:A metal powder is filled in a die and compacted to obtain the halves 2 and 3 of the casing 1 of a centrifugal pump. The halves 2 and 3 are bonded, and the assembly is dewaxed and then sintered in a sintering furnace. Consequently, the bonding faces 2a and 3a of the halves 2 and 3 are diffusion-bonded, the other parts are sintered to bind the powder grains together, and the casing 1 is formed.
Patent JP-H07203043-A (JP)
Title: Simultaneous instruction method applying isdn
Inventor: KOKUBU YOSHIYUKI
IPC: H04M3/42
Filed: 1993-12-27
Abstract: PURPOSE:To provide a simultaneous instruction system which can separate the incoming call types from each other by means of a public network and not an exclusive line, can eliminate the wrong incoming, and can easily perform the switching between the general and command incoming calls. CONSTITUTION:A command board 5 applying a basic interface (2B+D) of an ISDN transmits all at once the signals including the sub-addresses that prescribe the command outgoing calls to plural circuits which are previously registered. The semi-main stores HB and HC of the receiver side receive those transmitted signals at the ISDN terminal equipments BK1-BKn, BT1-BTn, CK1-CKn and CT1-CTn corresponding to the interface (2B+D) and then confirm the command incoming calls by detection of the sub-addresses.
Patent JP-2001164477-A (JP)
Title: Synthetic leather having stretchability
Inventor: MOTOGAMI TAKESHI
IPC: D06N3/14
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a synthetic leather having stretchability and a good touch, and excellent in tensile strength, peeling strength, and tearing strength. SOLUTION: This synthetic leather is formed by sequentially laminating a wet-processed microporous layer comprising a polyurethane, a polyurethane adhesive layer, and a polyurethane skin layer on a raised surface of a raised knitted fabric, wherein the raised knitted fabric is made of a ground yarn comprising a polyester multifilament and a raised yarn comprising a polyester multifilament, a ratio of the fed length of the ground yarn to that of the raised yarn is 1:1.1 to 1:1.3, and a ratio of the number of knitted loops of the ground yarn to that of the raised yarn is 1:1.
Patent JP-H06201135-A (JP)
Title: Heating cooker having overheat preventive function
Inventor: AOKI ERIKO
IPC: F23N5/14
Filed: 1992-12-28
Abstract: PURPOSE:To prevent the interruption of cooking from being caused even if the cooking container is shaped at an early stage of the cooking. CONSTITUTION:A temperature of the bottom part of a cooking container 6 to be heated by a gas burner 1 is detected by a temperature sensor 7. A discrimination control means 10 controls a gas supplying control device 4 as a detected temperature of the temperature sensor is more than a stopping temperature set by a stopping temperature setting means 12 and extinguishes the gas burner 1. The stopped temperature at the stopped temperature setting means 12 is set higher than the normal stopped temperature by a stopped temperature changing-over means 14 until a specified time under a time limiting operation of a time limiting means 13 elapses from an ignition of the gas burner 1. Accordingly, even if the detected temperature of the temperature sensor 7 is raised under an oscillation of the cooking container 6 during a period when the specified time elapses at the initial time of heating operation, it is possible to prevent the gas burner 1 from being immediately extinguished.
Patent JP-2001162892-A (JP)
Title: Apparatus and method for assembling ink jet head
Inventor: NAKAMURA SHINICHI
IPC: B41J25/316
Filed: 1999-12-08
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method for assembling a lengthy ink jet head having substantially many nozzles by accurately disposing a plurality of heads on one sub-carriage without measuring and correcting an error due to a measuring instrument or the like. SOLUTION: The apparatus for assembling the ink jet head comprises a head position regulating means for regulating the head to be temporarily clamped at the sub-carriage at a position in a horizontal direction, an image acquiring means for acquiring the image of the head, and a control means for detecting the position of an object provided at the head based on the acquired image of the head and controlling the regulating means so that the position of the detected object coincides with a target position previously stored. In this case, the target position is acquired based on a prototype standard for recording the position of the object provided at the head and stored.
Patent JP-H05156626-A (JP)
Title: Construction method for continuous underground wall
Inventor: NAITO TEIJI
IPC: E02D5/18
Filed: 1991-12-10
Abstract: PURPOSE:To shorten the construction time and improvement the operating accuracy at the time of making a digging hole for a succeeding wall body and cutting the end surface of a preceding wall body. CONSTITUTION:In a continuous wall constructed in the underground, digging holes 1 for preceding wall bodies are made at fixed spaces, and a cutting plate A easy to dig is interposed at least in the upper end portion of the cutting end surface in the direction of jointing of successive pores in the interior of the digging hole. Concrete is placed in the rear to form a preceding wall body, and while the cutting plate A is cut, the digging hole 1 is made in the space from the preceding wall body. Concrete 3 is placed in the digging hole to form a succeeding wall body connected to the preceding wall body. Thus, a continuous wall is constructed.
Patent JP-H07110098-A (JP)
Title: Heat insulation material for bent pipe fitting
Inventor: NAKAJIMA TOMONOBU
IPC: F16L43/00
Filed: 1993-12-29
Abstract: PURPOSE:To reduce working man hours by providing a foamed plastic molded product on the outer peripheral of a fitting, providing metal foil on the outer surface of the plastic product, and forming the surface of the molded product into the continuous shape of a plurality of column face-like segments. CONSTITUTION:A heat insulation material is secured on the outer periphery of a bent pipe fitting 1 having a bending angle of 90 deg. and comprises a foamed plastic molded product 2a which is divided into two segments along a plane including the center axis and metal foils 3a1 and 3a2 that are stuck to the outer peripheral surface of the molded product 2a. The diameter of each segment of the plastic molded products 2a is equal to each other, and the outside corner section is cut off in a straight line along the outer periphery so that the center axis becomes parallel with the tangential line which contacts the circular arc formed by the center line of the fitting 1 to be formed into such shape that the inside corner is given a body and substances along its outer periphery so as to have a fixed thickness. In this case, the shape of one side of the inside corner is such that two segments are continuously connected, and corresponding metal foils, when developed, becomes flat face-like metal foils 3a1 and 3a2. The metal foils 3a1 and 3a2, when stuck, are overlapped on each other. Therefore, working time for manufacturing can be shortened, and heat insulation material can be continuously stuck by an automatic manufacturing device.
Patent JP-H07192217-A (JP)
Title: Magnetic head
Inventor: SAITO KAZUHIRO
IPC: G11B5/245
Filed: 1993-12-27
Abstract: PURPOSE:To obtain a magnetic head having excellent recording and degaussing characteristics by making a roll off small in particular while maintaining reproducing efficiently at about the same level as heretofore. CONSTITUTION:An apex part 8 of the magnetic head 1 constituted by joining a pair of core half bodies 2, 4 having magnetic thin films via a gap part 6 at their butt surfaces and forming the apex part 8 adjacently to the gap part 6 is delineated by a chamfered part formed at an apex angle alpha set at 130 deg.alpha<=170 deg..
Patent JP-2001165964-A (JP)
Title: Circuit breaker with current conduction information- measuring device
Inventor: NOMURA TOSHIMITSU
IPC: H01H73/02
Filed: 1999-12-09
Abstract: PROBLEM TO BE SOLVED: To obtain a current conduction information-measuring device for a circuit breaker to which power can be easily supplied independently of voltage classification of an electrical circuit to a circuit breaker, though a conventional current conduction information-measuring device of a conventional circuit breaker measures and operates, by supplying power for operating the current conduction information measuring device to a power circuit in the device through external power. SOLUTION: A power supply terminal 25 of the device 15 is provided on the back side of the breaker 1, by electrically connecting to a power side main conductor 26 through a screw part 27 tightening the power side main conductor 26 of the circuit breaker 1 connecting the terminal 25 for the device 15 to a power side terminal part 29 with a base part 28 of the circuit breaker 1.
Patent JP-H07198367-A (JP)
Title: Size measuring apparatus of material in rolling mill
Inventor: KAJITA YOSHIMITSU
IPC: G01B5/08
Filed: 1993-12-28
Abstract: PURPOSE:To prevent a size measuring apparatus from being broken down or damaged. CONSTITUTION:A holding frame 74 is arranged and installed, so as to be movable, at a fixation frame 73 which has been fixed to a movement frame 64. An operation shaft 65 which is provided with a measuring roll 60 is connected to an air cylinder 67 which is arranged and installed at the holding frame 74. A hydraulic cylinder 75 is arranged and installed, in a direction opposite to the air cylinder 67, at an end part to which the bottom side of the cylinder 67 of the holding frame 74 is directed. A piston rod 75a for the hydraulic cylinder 75 is fixed to the fixation frame 73 so as not to be movable, it is always energized to a direction in which the piston rod 75a is extended, and it holds the holding frame 74 in a definite position. Then, when a ring-shaped material being rolled is deformed to a crooked shape and an excessive load is applied to the measuring roll 60, the body of the hydraulic cylinder 75 is moved relatively to the piston rod 75a, and the holding frame 74 is permitted so as to be moved to a direction away from the ring-shaped material.