baber/WOPTO huggingface dataset:
Patent JP-H1015652-A (JP)
Title: Casting apparatus for die casting and casting method
Inventor: NAKAGAWA HIROKI
IPC: B29C45/78
Filed: 1996-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a casting apparatus which does not develop the galling between an injection sleeve and a plunger tip at the time of casting, and a casting method. SOLUTION: A die casting apparatus provided with temp. detecting means 22, 23 for detecting each temp. of the injection sleeve 11 and the plunger tip 19, and temp. adjusting means 24, 25 for adjusting each temp. of the injection sleeve 11 and the plunger tip 19 and a control device 26 for controlling the temp. adjusting means 24, 25 so that the clearance between the injection sleeve 11 and the plunger tip becomes within the fixed range based on signals from the temp. detecting means 22, 23, is used. At the time of casting, the temps. of the injection sleeve 11 and the plunger tip 19 are detected and the casting is executed while controlling the temps. of the injection sleeve 11 and the plunger tip 19 so that the clearance between the injection sleeve 11 and the plunger tip 19 becomes within the fixed range.
Patent JP-H0814214-A (JP)
Title: Optical actuator device
Inventor: TOYAMA OSAMU
IPC: F15B21/06
Filed: 1994-06-30
Abstract: PURPOSE:To provide an optical actuator device capable of relatively easily assembling, stabilizing the operation of a piston, and selecting operation temperature and operating pressure in a wide range. CONSTITUTION:An actuator device is formed by forming a sealed space 10 partitioned by a shrinkable elastic membrane 4 on the inside of a cylinder 1 which is connected to an optical fiber 6 at one end, accommodating a hydrogen storage allay in the space 10, and arranging a movable piston 2 closely to the elastic membrane 4 at the other end. Or, a cylindrical body in which the shrinkable membrane 4 is fixed at one end, the optical fiber 6 is inserted at the other end, and the hydrogen storage alloy 5 is accommodated in the sealed space formed by the elastic membrane and optical fiber is fitted to the cylinder 1. The elastic membrane 4 may be replaced by a bellows.
Patent JP-S6065586-A (JP)
Title: Rare gas ion laser tube
Inventor: KOBAYASHI ISAO
IPC: H01S3/041
Filed: 1983-09-20
Abstract: PURPOSE:To obtain a fine plasma tube which can withstand a large discharge current, have good cooling efficiency and dimensional accuracy and ready manufacture by forming small central holes of a metal plate and an insulating plate linearly, providing a gas passage between separate small holes formed at the periphery of the central small holes of both plates. CONSTITUTION:A disc 12 which is made of an insulator that can be readily obtained with good thermal conductivity such as alumina porcelain and has a plasma generating small hole 11 at the center, and a metal plate 14 of large profile larger than the disc 12 having the same as or smaller diameter 13 than the hole 11 are so laminated and connected that the holes 11, 13 are disposed linearly with vacuum airtightness such as brazing to the plate 14, a fine plasma tube is formed with the hore 13 of the plate 14, and a laser optical shaft 8 is provided at the center. Heats generated at the holes 11, 13 of the plasma tube are immediately conducted to the plate 14 having good thermal conductivity, the plate 14 becomes a heat sink fin as it is to dissipate the heat. The heat sink effect is large, and the temperature rise of the insulator 12 approached is small.
Patent JP-S6065431-A (JP)
Title: Shadow mask for color cathode ray tube
Inventor: SHISHIDO AKIRA
IPC: B21D5/00
Filed: 1983-09-20
Abstract: PURPOSE:To avoid deformation of a curved surface portion, avoid color unevenness and color shift due to this deformation, so as to improve quality of the captioned cathode ray tube, by providing, in the boundary area between the curved surface of the back side of a shadow mask and a skirt portion, a plurality of grooves along the boundary area. CONSTITUTION:One or a plurality of groove 3 in the form of closed curved line are provided in the boundary area between the curved surface of the back side of a shadow mask which is made from Ni-Fe invar type alloy, etc. with small coefficient of thermal expansion and a skirt portion. Through provision of this groove 3 in the form of closed curved line, stress which is generated when the skirt portion 5 is bent against the curved surface 4 by a press forming becomes small, and the spring-back volume of the skirt portion is decreased. And the spring-back of the skirt portion and deformation such as a dent of a portion which is adjoining the skirt portion of the curved surface 4 can be prevented, thereby the quality can be improved.
Patent JP-2001000587-A (JP)
Title: Solid golf ball
Inventor: NAKAMURA ATSUSHI
IPC: A63B37/00
Filed: 1999-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a golf ball having a good hitting feel and hitting sound in combination and having excellent durability by incorporating particles consisting of material different from a solid core forming material into a solid core at a specific ratio in the solid core and in the state that the particles are not exposed to the core surface. SOLUTION: The golf ball is formed of the solid core 1 and a cover 2 covering the solid core 1. The particles 3 are incorporated into the solid core 1. The particles 3 to be incorporated therein are formed of the material different from the material of the solid core 1. The ratio of the particles to be incorporated is within 15 vol.%, more preferably within 14 vol.%, further more preferably within 13 vol.% of the volume of the solid core 1. The particles are required to be incorporated into the solid core in such a manner that the ratio attains at least >=0.1 vol.%, more preferably >=0.13 vol.% and further preferably >=0.15 vol.%. The incorporation of the particles 3 into the solid core 1 is required to be executed in such a manner that the particles 3 are not exposed on the core surface.
Patent JP-H0463677-A (JP)
Title: Fixed-size device
Inventor: SAEGUSA TOSHIAKI
IPC: G01B5/08
Filed: 1990-06-29
Abstract: PURPOSE:To easily monitor a grinding point and improve operability by providing a rotary dividing means rotating measurement sections in the horizontal plane and dividing them to the measuring position and the evacuating position. CONSTITUTION:When a work W is to be fitted or removed, pressure oil is normally fed to the right chamber of a hydraulic cylinder 7, a piston 8 and a rack 9 are moved to the left, and measurement sections 22A, 22B are turned to the right and evacuated via a pinion 6. A grindstone is advanced to start grind machining, pressure oil is fed to the left chamber of the hydraulic cylinder 7, the measurement sections 22A, 22B are turned to the left and positioned at the measuring position, the outer diameter of the work W is pinched by both contacts 24 to start the measurement of the outer diameter. When grind machining progresses and the outer diameter is reduced, the measurement signal is changed in proportion with the diameter. When it coincides with the preset value in a controller, a fixed-size signal is sent, and the cutting of the grindstone is stopped for spark-out. A timer is operated, the grindstone is retreated, grind machining is completed, and the measurement sections 22A, 22B are turned 90 deg. to the right and evacuated.
Patent JP-H1127876-A (JP)
Title: Receiving power failure controller
Inventor: TAKEBAYASHI HISAKAZU
IPC: H02J3/38
Filed: 1997-06-30
Abstract: PROBLEM TO BE SOLVED: To provide a receiving power failure controller, which can make each breaker even at break of the supply power from anuninteruptible power unit, in a power receiving facility which is equipped with a breaker in each of plural systems. SOLUTION: This receiving power failure controller, which supplies ech breaker with operation power, using an uninterruptible power unit, in a power receiving facility, is provided with breakers which are installed severally in plural power receiving systems, an uninterruptible power unit which is connected to the secondary side of these power breakers, and a controller 7 which supplies the primary power source of the breaker, as the control power source for making the corresponding breaker, to the input terminals of a control circuit even at power failure of the power source for operation of each breaker in each power receiving system being caused by the shortage of capacity of a battery within the uninterruptible power unit or at occurrence of trouble of the uninterruptible power unit, or the like.  Hereby, this controller can prevent troubles such as the incapability of making of both systems caused by the capacity shortage of the battery of the uninterruptible power unit in system switching, making use of a simple controller, etc.
Patent JP-H0224836-A (JP)
Title: Production of magnetic recording medium
Inventor: NANBA YOSHIYUKI
IPC: G11B5/842
Filed: 1988-07-14
Abstract: PURPOSE:To improve the durability of the magnetic recording medium by forming the magnetic film into two-layered structure and increasing the impregnation rate of a lubricating agent while assuring the mechanical strength of the magnetic films. CONSTITUTION:A 1st magnetic layer 2 is formed by coating a 1st magnetic coating compd. which contains magnetic powder, thermosetting resin and thermoplastic resin having compatibility with the thermosetting resin and in which the ratio of the content of the thermoplastic resin to the total content thereof exceeds 30wt.% on a substrate 1. The 2nd magnetic layer 3 similar to the layer 2 is formed on the layer 2. The layer 3 is imperfectly cured by heating. The thermoplastic resin is then extracted away by a solvent from the layers 2, 3. The magnetic films of the layers 2, 3 are completely cured. The lubricating oil is then impregnated into the magnetic films. The impregnation rate of the lubricating agent is substantially increased while the mechanical strength of the magnetic films is assured in this way, by which the durability is improved.
Patent JP-S5874430-A (JP)
Inventor: REON URUBUERINGU
IPC: B65G53/66
Filed: 1982-10-01
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-S6333118-A (JP)
Title: Deciding device for opening distance between blades
Inventor: KOYAMA KATSUMI
IPC: B21D5/02
Filed: 1986-07-25
Abstract: PURPOSE:To automate the opening distance decision of a blade toll by an NC device by operating the necessary both heights of the pullout from between blades of a work and of the insertion into between blades in the case of an inversion being necessary among bending stages by comparing them. CONSTITUTION:The bending stage order is inputted from the NC data of the NC device side in an inversion deciding means 31 and in case of transferring to the succedding bending stage from a certain one bending stage whether the inversion of a work is necessary or not is decided. When the inversion is decided as necessary, a pullout necessary height outputting means 33 operates the necessary pullout height h1 on the shape after receiving a bending between blades in the space between a punch 7 and die 9. An insertion necessary height outputting means 35 inverts a work W and operates the opening distance h2 between blades necessary for for inserting between the blades of a punch 7 and die 9 again by inverting the work W. Both h1, h2 are compared by an opening distance arithmetic means 37, the necessary margin value is given farther and the actual necessary opening distance between blades is operated.
Patent JP-H0340989-A (JP)
Title: Silica glass crucible and production thereof
Inventor: TACHIBANA SATORU
IPC: C30B15/10
Filed: 1989-07-07
Abstract: PURPOSE:To easily enable utilization at high temp., large sizing and required thickness by specifying the material of the inside and outside parts in a silica glass crucible equipped with both the outside part contg. silicon dioxide and an inside lining made of synthetic silicon dioxide. CONSTITUTION:In the silica glass crucible, natural crystalline quartz grains are utilized for the raw material of the outside part and synthetic amorphous silicon dioxide is utilized for the raw material of the inside lining. Further this synthetic amorphous silicon dioxide is obtained by hydrolysis of silicon alkoxide. In the case of producing this crucible, amorphous silicon dioxide obtained by hydrolysis of high-purity silicon alkoxide is ground into the prescribed grain size and a powdery crude product is obtained. This is heat-treated and dewatered to perform closed pore. Then natural crystalline quartz grains are supplied to a rotary type mold. A first layer becoming the outside wall 1 is formed. Successively the crude product is supplied into the rotary type mold and a second layer 2 is formed to the inside of the first layer 1. While the mold is rotated, both layers are heated by a torch and melted.
Patent JP-H05190913-A (JP)
Title: Thermoelectric element and manufacture thereof
Inventor: KOMABAYASHI MASASHI
IPC: H01L35/32
Filed: 1992-06-09
Abstract: PURPOSE:To obtain a method for manufacturing a thermoelectric element, which is fit to make the element into a multilayer one, and to prevent the generation of cracks in the insulating layer of the element and prevent the deterioration of the characteristic of the element. CONSTITUTION:An insulating paste 13 is applied to a green sheet 11 made of P-type FeSi2 and a green sheet 12 made of N-type FeSi2, and by compression- bonding them to each other through superimposing them on each other alternately, a laminar material 10 is formed. No paste is applied to some parts of the green sheets 11, 12, and the parts are in contact with each other to form P-N junctions. By baking the laminar material 10 at 1100 deg.C-1200 deg.C after degreasing, a thermoelectric element 10 is formed. The insulating paste 13 contains 2-330wt.% glass component in ceramics, and the grain size of the power of FeSi2 is 1-30mum, and thereby, the cracks generated by thermal shrinkages when baking the laminar material 10 are prevented. Even when the thickness of the insulating layer 13 is made smaller than 24mum and its glass component is increased to 80weight%, no crack is generated.
Patent JP-H1021506-A (JP)
Title: Contact member of multitrack head
Inventor: YAMAUCHI YUJI
IPC: G11B5/53
Filed: 1996-07-04
Abstract: PROBLEM TO BE SOLVED: To suppress a crosstalks generated at contact pins, etc. SOLUTION: Electromagnetic shielding walls 40, 42, 44 are disposed between the contact pins 6, 8, 14, 16 for supplying signals to a head part for recording and contact pins 10, 12, 18, 20 for fetching the signals from a head part for reproducing to suppress crosstalks between the contact pins. Recording side terminals 22, 24, 26, 28 connected in a holding member 4 to the respective contact pins are arranged on the end face 56 and the base 54 of a recessed part. Reproducing side terminals 30, 32, 34, 36 are arranged on the end face 48 of a projecting part 46 and the end face 52 of a projecting part 50. Then, the respective terminals may be connected by directly soldering the terminals to the through-holes of a recording signal processing substrate and regenerative signal processing substrate arranged apart a spacing above and below.  The holding member 4 is formed of a conductive material in order to obtain an electromagnetic shielding effect.
Patent JP-H10126962-A (JP)
Title: High voltage protection circuit
Inventor: SWONGER JAMES W
IPC: H03K17/08
Filed: 1997-06-30
Abstract: PROBLEM TO BE SOLVED: To obtain a high voltage protection circuit for protecting an analog input terminal and an output terminal of an integrated circuit device from the electrostatic discharging condition. SOLUTION: A first circuit a voltage reference terminal 24, a pin 12 and a pin resistor 13 connected in series to an input terminal 14 to a function circuit. An anode of SCR 30 is connected to the input terminal 14 and a cathode thereof is connected to a voltage reference terminal. A shunt resistor 19 is connected between anode and anode gate of SCR 30, while another shunt resistor 20 is connected between a cathode and cathode gate. A zener diode 22 is also provided to set a breakdown voltage between anode gate and cathode gate of the SCR. This integrated circuit protects a device against a positive high voltage and also protects the device from a negative ESD voltage by switching the anode connection to the cathode connection.
Patent JP-H0927927-A (JP)
Title: Millimeter wave infrared ray image pickup device
Inventor: SADO TETSUO
IPC: G01S13/86
Filed: 1995-07-11
Abstract: PROBLEM TO BE SOLVED: To form an image in a short time both from a millimeter wave and an infrared ray by arranging a millimeter infrared ray identical focal face array in which 2-dimension light receiving array elements for a millimeter wave and an infrared ray are arranged on the same plane at focal faces of a primary and a secondary reflecting mirrors reflecting the millimeter wave so as to adopt the secondary reflecting mirror for the infrared ray lens structure. SOLUTION: A primary reflecting mirror 31 is made of a material reflecting a millimeter wave and the reflecting face is formed in a parabolic face. A secondary reflecting mirror 32 is made up of three lenses made of a material through which an infrared ray is transmitted. A millimeter wave and infrared ray identical focal face array 33 is arranged to a focal face of the primary reflecting mirror 31. The array 33 reads data of a millimeter wave reception output and an infrared ray reception output simultaneously according to a signal from a circuit 34. The data are digitally converted by a converter 35 and scanning-converted by a converter 36, then both the data are separately displayed on display devices 37, 38. In this case, a millimeter wave image is displayed on the display device 37 and an infrared ray image is displayed on the display device 38.
Patent JP-S5965847-A (JP)
Title: Processing device for disc film
Inventor: BETSUI NOBUO
IPC: G03D3/10
Filed: 1982-10-07
Abstract: PURPOSE:To reduce the size of a device by mounting a disc film mounting part, a pulley and a revolving roll respectively to the bottom end, top end and top of a revolving shaft supported to a sleeve cylinder thereby forming a support for a disc film. CONSTITUTION:A support 10 for a disc film is provided with a sleeve cylinder 11 and a revolving shaft 12. A disc film mounting part 14 is fixed at the bottom end of the shaft 12 and a grooved pulley 15 is mounted at the top end of the shaft 12. A revolving roll 16 is mounted to the top of the shaft 12 so as to revolve around the central axial line of the shaft 12. Then the disc film revolves according to order of the process to be applied thereon and since the disc film is held in an inclined state and is rotated during the process, the less processing liquid is required, and the processing device is made smaller in size.
Patent JP-S6333187-A (JP)
Title: Laser welding equipment
Inventor: SASAKI MITSUO
IPC: B23K26/21
Filed: 1986-07-28
Abstract: PURPOSE:To perform the butt welding with a complicated shape by providing a laser projection part to rotate with an optical axis as a center and arranging a filler feeder to its rotational part to feed a filler from the front of a weld beam. CONSTITUTION:A holder 7 is supported by a fixed flange 10 and besides, the laser projection part 1 to rotate the optical axis 12 as a center by a motor 11 with a speed reducer is provided and the filler feeder 3 is arranged to the holder 7 via a supporting body 15. After a member W to be welded is set on a table 2, the table 2 is controlled to move according to a program and an arithmetic processing part 22 controls the rotation of the holder 7. The holder 7 is rotated so that a filler wire F of the feeder 3 is always fed from the front of the weld bead B by this method. Accordingly, even in case of the abutting surface with the complicated shape such as a curve, a bent curve, etc., the stable butt welding can be performed.
Patent JP-H0341379-A (JP)
Title: Deciding evaluation of cylindrical coil
Inventor: YODA KIYOSHI
IPC: G01R33/02
Filed: 1989-07-10
Abstract: PURPOSE:To enable the reliable decision of evaluation to be obtained by performing a discrete Fourier transform without using a calculation point wherein a variable k=0 holds, correcting a phase, obtaining a finally required integral equation and calculating a magnetic field component with high accuracy. CONSTITUTION:The quantity of the shift of the discrete calculated value of a variable k is delta (not equal to 0) and the discrete step-size of the variable k is DELTA k. The method of determining evaluation of a cylindrical coil comprises steps wherein a correction function F'(k) for a specific equation is calculated, a corrected integral equation G'(z) is obtained by performing a discrete Fourier transform by using the correction function F'(k) and a finally required integral equation G(z) is obtained by phase-correcting the equation G'(z). The above-mentioned steps are performed without using a calculation point wherein k=0 holds and a magnetic field component which is a cylindrical coil evaluation determination reference is calculated on the basis of the equation G(z). Thus, reliable decision of evaluation can be achieved.
Patent JP-S5966645-A (JP)
Title: Hot water boiler
Inventor: INOUE TADASHI
IPC: F24H9/00
Filed: 1982-10-06
Abstract: PURPOSE:To obtain a high heat-exchange efficiency of the titled device by causing the heat exchange between exhaust gas and the boiler body to be carried out around the outer periphery of a flue formed by the boiler body and a middle cylinder so that the entire exhaust gas passage effectively contributes to the heat exchange. CONSTITUTION:Reference numeral 11' designates blind baffles, and 12', hollow baffles, a plurality of these baffles being mounted around the periphery of the middle cylinder 10' with a suitable interval therebetween. The combustion exhaust gas of a high temperature is first guided to the flue 16 disposed at the upper part of a burner 3'. The exhaust gas which has come into collision with the wall surface of the boiler body 1' by means of the blind baffle 11', comes into collision with the wall surface of the middle cylinder 10' by means of the hollow baffle 12'. Then, the exhaust gas passes through an exhaust gas hole 13' of the hollow baffle 12', and alternately meanders at the outer peripheral part of the flue 16'. Upon this occasion, a heat exchange is carried out between the exhaust gas and the boiler body 1'. However, since the exhaust gas passage is formed at the outer peripheral part surrounded by the boiler body 1' and the middle cylinder 10', the entire gas passage effectively contributes to the heat exchange.
Patent JP-H04372427-A (JP)
Title: Four-wheel drive unit and control thereof
Inventor: HARA TOMOYUKI
IPC: F16H57/023
Filed: 1991-06-21
Abstract: PURPOSE:To use a common transaxle to four-wheel and front-wheel drive cars so as to reduce a manufacturing cost of the transaxle by disposing a clutch for disconnecting a power transmission way to rear wheels on the opposite side to a case for a front-wheel differential gear mechanism exceeding a center part of the width of car body. CONSTITUTION:A transaxle 21 for a four-wheel drive car has a front-wheel differential gear mechanism of which gear case 6 is drive connected to an output shaft of an unillustrated gear type transmission, and a left side front axle 5 extending left from the differential gear mechanism. An output of the transaxle 21 is transmitted by a transfer 22 to a propeller shaft 23 for driving rear wheels vertically disposed at a center part of the width of a car body. In this case, an electromagnetic clutch 35 for disconnecting a power transmission line to the rear wheels is disposed on the opposite side of the case 6 of the front-wheel differential gear 4 exceeding the center part of the width of the car body, the electromagnetic clutch 35 connects a main clutch hub 42 with the case 6, and the main clutch drum 43 is connected with a ring gear 14.