baber/WOPTO huggingface dataset:
Patent JP-H05345957-A (JP)
Title: Mast shape steel for fork lift excellent in wear resistance and weldability
Inventor: URASHIMA CHIKAYUKI
IPC: C22C38/00
Filed: 1992-04-09
Abstract: PURPOSE:To obtain the objective mast shape excellent in wear resistance and weldability by constituting the inside in contact with a roller of high carbon steel and the outside of low carbon steel into double layer steel. CONSTITUTION:In the axial section of other mast shape steel for a fork lift having flange parts (a) and (c), the chemical components of a layer in the range to the depth of 2/3 of the sheet thickness from the surface are specified, by weight, 0.3 to 0.9% C, 0.1 to 0.7% Si, 0.5 to 2.0% Mn, <=0.05% P and <=0.05% S. On the other hand, the chemical components on the outer face side 2 of the shape steel of at the other parts are specified to <=0.30% C, <=0.60% Si, <=1.50% Mn, <=0.05% P and <=0.05% S. By forming the structure of this shape steel into a double layer one of the high carbon steel good in wear resistance and the low carbon steel high in weldability, its weldability is improved while its wear resistance is improved.
Patent JP-S5314789-A (JP)
Title: Suspension polymerization of vinyl chloride
Inventor: KAWAKADO HARUO
IPC: C08F2/00
Filed: 1976-07-28
Abstract: PURPOSE: To prevent the adhesion of a polymer on the inner surface of polymerization vessel and the surface of inner accesory parts of the vessel by adding colloidal silica of specific partice size. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S63255261-A (JP)
Title: Production of maleimide
Inventor: TSUDA ATSUSHI
IPC: C07D207/452
Filed: 1987-04-10
Abstract: PURPOSE:To obtain maleimide useful as a raw material for various high polymer compounds under a mild temperature condition in a short time and readily, by dehydrating a maleamic acid in a substantially anhydrous aprotic polar solvent by the use of cyanuric chloride as a dehydrating agent. CONSTITUTION:Maleamic acid and/or a salt thereof is dehydrated in a substantially anhydrous aprotic polar solvent such as N,N-di-lower alkylformamide in the presence of cyanuric chloride as a dehydrating agent at -20-100 deg.C to give maleimide useful as a raw material for antioxidant, curing agent for rubber, rust preventive and germicide industrially and advantageously. Cyanuric chloride used has low reactivity with water and corrosive properties, excellent workability, makes devices inexpensive, becomes water-soluble cyanuric acid after the reaction, has low solubility in solvents, especially in water, is readily separated and recovered because of good crystallizability, recovered cyanuric acid is usable as a stabilizer for chlorine in water, a raw material for resins of coating compound and a selective herbicide.
Patent JP-S61248205-A (JP)
Title: Rotary head type recording and reproducing device
Inventor: SUESADA KUNIO
IPC: H04N5/91
Filed: 1985-04-25
Abstract: PURPOSE:To attain recording time corresponding to a data rate almost without changing recording density even if any data rate signal is generated by forming a rate converter for multiplying a vertically synchronizing control signal for an input video signal by m/n (m and n are integers >=1) to form a segment control signal. CONSTITUTION:The rate converter 22 for multiplying a vertically synchronizing control signal for an input video signal by m/n (m and n are integers >=1) to form a segment control signal is formed. Since the segment control signal can be set up to an optional value synchronized with the input video signal, recording time proportional to the data rate of the input video signal can be attained while keeping the recording density at a fixed value. When the number of synchronizing blocks in one field and the number of synchronizing blocks in one segment are set up to nv and nseg respectively, the rate converter 22 multiplies fv by nv/nseg to form fseg.
Patent JP-H05254450-A (JP)
Title: Motor-operated power steering device
IPC: F16H1/12
Filed: 1992-03-16
Abstract: PURPOSE:To prevent generation of tooth strike noise during gearing of a gear for transmitting rotation from an electric motor to a steering shaft and occurrence of a fluctuation in torque. CONSTITUTION:A large gear 11 on the driven side provided on one flank with a gear part 11a is arranged on a pinion shaft 3. A small gear 12a geared from a side with the gear part 11a of the large gear 11 and transmitting a rotational drive force from an electric motor is provided to form a gear mechanism 13 for transmitting rotation by a different shaft gear. A presser 20 brought into surface contact with a part of the opposite gear surface, positioned facing apart geared with the small gear, of the large gear is provided. Further, the presser is energized in a direction, in which the large gear is geared with the small gear, through a coil spring 22.
Patent JP-H08286773-A (JP)
Title: Power unit
Inventor: FUKUSHIMA YOSHIO
IPC: G05F1/56
Filed: 1995-04-14
Abstract: PURPOSE: To miniaturize a power unit by connecting a specified capacitor in series to the specified number of capacitors which are connected in series when current flows through a rectifier circuit and connecting it in parallel to the specified number of the capacitors which are connected in series when current does not flow. CONSTITUTION: Voltage stabilized by first and second constant voltage diodes 7 and 8 is supplied to first and second loads 10 and 11. Voltage decided by a constant voltage circuit 9 is supplied to a third load 12. Then, respective loads stably operate. The increase of current can be accumulated in a third capacitor 6 and a fourth capacitor 13 for the voltage boost of a commercial AC power source 1 by non-stabilizing either one of the plural serial power sources constituted of first, second and third capacitors 4-6 connected in series. The voltage drop required for generating DC power from the power source 1 can be reduced and loss power can be reduced by the first constant voltage diode 7 and the second constant voltage diode 8.
Patent JP-H03289268-A (JP)
Title: Picture transmission method, picture transmission device and picture output device
Inventor: HISHINUMA KAZUHIRO
IPC: A61B6/00
Filed: 1990-04-04
Abstract: PURPOSE:To reduce the time required for data transmission by generating and sending plural compressed picture data, sending a desired compressed picture data, applying inter-picture inverse arithmetic processing at a receiver side and obtaining other picture data corresponding to other desired picture. CONSTITUTION:A picture display device 40 stores a picture other than an initial picture onto an optical disk as a difference picture data SDi with less data quantity, and when a CRT display section 44 displays a visual picture, the first picture data SD1 is read at first and only difference picture data SDi for the other picture data are read. Thus, the readout time is reduced and the time to keep the observer of the picture waiting is less.
Patent JP-S61246023-A (JP)
Title: Apparatus for sensing foreign substance on metal mold for injection molding
Inventor: KAJI NORIKIMI
IPC: B29C45/26
Filed: 1985-04-24
Abstract: PURPOSE:To sense surely foreign substances and keep a mold without any damage caused thereby, by making either of the two molds movable to the opening/closing direction of the mold against the panel supporting the mold and interposing springs between said mold and the panel. CONSTITUTION:The procedure for clamping molds is as follows: at first, a movable mold 2 comes to contact with a mold 1 by its upward movement and both molds 1, 2 then move upwards with pressing springs 9 and the mold 1 finally contacts with a mold panel 11. The action for sensing foreign substances by a proximity switch 6 and a conductor 5 is performed under the state where a pair of molds 1, 2 contacts each other but a mold 1 is being separated from a mold panel 11 by the action of the spring 9. In this case, the pressure between the mold 1 and the mold 2 is produced not by an ordinary oil pressure but by the force of the spring 9, so that no damage could be produced on the mold 1, 2 even if any foreign substance 7 exists on them.
Patent JP-H05254374-A (JP)
Title: Carrying case for vehicle
IPC: B60R9/04
Filed: 1992-03-14
Abstract: PURPOSE:To provide a carrying case for vehicle, in which the shape and the dimension of a baggage housing space can be changed in response to the shape and the dimension of a baggage and which can be folded compact at the time of no-use. CONSTITUTION:A carrying case 30 for vehicle, which is placed on a roof R of a car body B freely to be disconnected, houses a baggage for carrying. This carrying case 30 for vehicle is provided with a roof rack 31 to be fixed to the roof R freely to be disconnected, a base frame 33 fixed to the roof rack 31, a cover 35 made of the foldable sheet material, of which one end is fixed to the base frame 33, and a connecting means for connecting the other end of the cover 35, which is not fixed, to the base frame 33 freely to be disconnected. A baggage placed on the base frame 33 is covered with the cover 35.
Patent JP-H11264838-A (JP)
Title: Electroconductive type water flow detector
Inventor: HASHIMOTO MASANORI
IPC: G01V3/02
Filed: 1998-03-17
Abstract: PROBLEM TO BE SOLVED: To provide an electroconductive type water flow detector for effectively detecting whether a water flow state has a fault or not for a long period by incorporating no mechanical operation part and no evil even in the case of an adhesion of a deposit, a corrosion, rusting or the like. SOLUTION: The electroconductive type water flow detector comprises a T-shaped cylinder 1 made of a conductive material connected to a water channel piping so that water flows from the piping to a drain tube therein and electrically connected to one electrode, and a streamlined shape plate 8 made of a conductive material arranged near a center of a branch in the cylinder 1 and electrically connected to the other electrode. In this case, water flow gaps G, G' between the plate 8 and an inner periphery of the cylinder 1 are minimized in size at a part disposed at a lower end side of the cylinder 1.  In the detector constituted so that a change of a water flow state in the cylinder 1 can be detected as a change of a current between the inner periphery of the cylinder 1 and the plate 8, a planar shape of the plate 8 is formed in a large diameter on a side opposed to the piping side and in a small diameter on the drain tube side.
Patent JP-H04302623-A (JP)
Title: Pipe arrangement for piping installed in building
Inventor: ENDO YASUO
IPC: E03C1/02
Filed: 1991-03-28
Abstract: PURPOSE:To upgrade the quality of piping installed, to obviate complicated schedudle control, and to carry out the piping work safely and easily by completing at a work-shop in advance most of piping work within a shaft pipe, through unitizing of the shaft. CONSTITUTION:A pipe shaft, whose height is at least one story of a building, is unitized and manufactured at a work-shop to an extent, in which unitized, piping parts 5 are installed in it. Next, the unitized shaft 1 is fixed at a prescribed location in a piping installation in the building. After this, the piping parts 5, which was installed in advance in the unitized shaft 1, are connected so as to form prescribed pipe passages.
Patent JP-H08281363-A (JP)
Title: Manufacture of stainless steel spring with high fatigue strength
Inventor: IZAWA YOSHINOBU
IPC: B21F3/00
Filed: 1995-04-14
Abstract: PURPOSE: To manufacture a stainless steel spring having a fatigue strength equivalent to a spring using a silicon chrome steel oil tempered wire and the like. CONSTITUTION: After cold coiling and low-temperature annealing, a surface activation treatment and a gas nitriding treatment are performed on a stainless steel wire by shot peening, and then a treatment for imparting compressive stress to surface layer is performed by shot peening. After the surface part of the coil spring is hardened by the gas nitriding, that treatment for imparting compressive stress to the surface layer is performed by shot peening; therefore, a larger compressive residual stress is likely to be formed deeper inside from the surface of the coil spring. As a result, the surface hardness or the fatigue resistance are effectively improved on the coil spring.
Patent JP-S62245406-A (JP)
Title: Guiding system for unmanned traveling vehicle
Inventor: NISHI YOKICHI
IPC: G05D1/02
Filed: 1986-04-18
Abstract: PURPOSE:To perform a simplified and low cost guide control with high accuracy, by traveling an unmanned traveling vehicle based on a posture against the guide line of the unmanned traveling vehicle detected from the coil voltage of respective axis of a three-dimensional pickup coil. CONSTITUTION:When coil voltage Vx, Vy, and V2 in respective direction of an (x), a (y), and a (z), are inputted, a CPU60 calculates a distance l1 from the center of an unmanned traveling vehicle 1 to a guide line A, and the angle of deviation theta of the unmanned traveling vehicle 1 against the guide line A, respectively. Following that, the CPU60 calculates a steering angle delta to guide and travel the unmanned traveling vehicle 1 with an appropriate posture along the guide line A, based on calculated distance l1, and the angle of deviation theta, and supplies a steering angle command based on the steering angle delta to a steering control part 61. After that, the steering control part 61 steers a steering corresponding to the steering angle, and guides and runs the unmanned traveling vehicle 1 with the appropriate posture along the guide line A.
Patent JP-S59214995-A (JP)
Inventor: TAKAHASHI AKIRA
IPC: B65H29/60
Filed: 1983-05-20
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-S60233480-A (JP)
Inventor: YAMAMOTO HIDEO
IPC: F25D21/02
Filed: 1984-05-04
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-H06297055-A (JP)
Title: Production of press die
Inventor: TANAKA KEIZO
IPC: B21D37/20
Filed: 1993-04-16
Abstract: PURPOSE:To simplify the production process of a die, to easily work building-up by welding and to improve the production efficiency of the die. CONSTITUTION:A press die having an edge part 2 formed of another highly hard material different from a raw material of the die 3 is produced. A groove 4 is formed on a part of the die raw material 3 to be made to the edge part of the die, and the building-up material of a subzero hardening die material, etc., is built-up by welding on the groove 4. The die raw material 3 including the built-up part 5 is machined to a required die shape. Then the hardness of the edge part 2 is increased over the required hardness by processing a suitable hardening treatment.
Patent JP-H09258362-A (JP)
Title: Silver halide photographic sensitive material
Inventor: TAGUCHI MASAAKI
IPC: G03C1/04
Filed: 1996-03-19
Abstract: PROBLEM TO BE SOLVED: To obtain the photosensitive material high in sensitivity and improved in developability and fixability and restrained from uneven development and desensitization in high humidity by spectrally sensitizing silver halide grains with a specified sensitizing dye and incorporating a carboxyalkylnitrocellulose in a hydrophilic colloidal layer. SOLUTION: The silver halide grains in a silver halide emulsion have been spectrally sensitized by at least 2 kinds of sensitizing dyes selected from the ones represented by formulae I and II in which each of R1 and R2 is an optionally substituted alkyl or alkenyl or the like and at least one of them is a sulfoalkyl or carboxyalkyl group; each of R3 and R8 is an H atom or a 1-3 C alkyl group; each of R4 and R6 is an alkyl group; each of R5 and R7 is a lower alkyl or the like; each of Z1 and Z2 is a nonmetallic atomic group necessary to complete an optionally substituted benzene ring; and (n) is 1 or 2. The hydrophilic colloidal layer of this photosensitive material contains the carboxyalkylnitrocellulose.
Patent JP-H01264935-A (JP)
Title: Production of quartz glass powder
Inventor: SAKAI KAZUHIRO
IPC: C03C1/00
Filed: 1988-04-14
Abstract: PURPOSE:To obtain quartz glass powder having extremely high purity and uniform particle size in high yield by adding a dry gel having relatively small particle size to a reaction system for forming the gel from silicic ester, water, and an acid, before the gel is formed. CONSTITUTION:A uniform transparent sol is obtd. by mixing 1mole silicic ester expressed by Si(OR)4 (wherein R is >=1C hydrocarbon group), with >=1.5-3 times equivalent amt. of water, and 0.01-0.05 mole acid and stirring the mixture violently. A dry gel having <=100 mesh particle size is added to the sol, and 0.05-0.5N aq. ammonia is added slowly to the mixture under violent stirring of the mixture until a pH of the mixture attains >=4.5. A dry gel obtd. by drying the mixture and pulverizing the dried product is calcined. Obtd. dry gel having a relatively small particle size is suitable to be added to a reaction system of a next prepn. stage.
Patent JP-S62253978-A (JP)
Title: Normal/reverse actuator driving pump device
Inventor: SUHARA MASAAKI
IPC: F04B49/08
Filed: 1986-04-18
Abstract: PURPOSE:To improve neutral stability by opening up a control passage to a tank line and connecting a selecting means to a command means via a function circuit having a dead zone when a proportional solenoid is not electrified. CONSTITUTION:A pair of proportional solenoids 21, 22 are provided on a proportional control valve 20 and, when the proportional solenoids 21, 22 are not electrified, control passages 26, 27 are opened up to a tank line 28, 29, while a selecting means 35 which selectively inputs to one of the proportional solenoid 21, 22, is connected to a command means 31 via a function circuit 36 having a dead zone. Thereby, even if there is a displacement due to, e.g., vibration, etc. in the neutral operation position N of the command means 31, the neutral position of a variable control element 1 can be securely maintained, thereby, improving neutral stability.
Patent JP-S57205128-A (JP)
Title: Attaching method of end cap to molding
Inventor: ISO MASAHIKO
IPC: B29C45/36
Filed: 1981-06-12
Abstract: PURPOSE:To thin the wall thickness of an end cap and prevent generation of a sink, by fitting a notched part provided at the tip side of a molding into a positioning member of a mold, then shaping the end cap by injection molding. CONSTITUTION:A notched part 20 is provided in the tip part of a molding M and the notched part 20 is fitted into the positioning member 18 provided in the molding cavity 14 of molds 11, 12. After that, a synthetic resin is injected into the molding cavity 14 and an end cap is molded integrally at an end part of the molding M. Because the positioning member 18 is fitted into the notched part of the molding M in this way, a wall thickness of the end cap can be thinned and generation of a sink at the end cap can be prevented.
Patent JP-S62246010-A (JP)
Title: Light beam scanning device
Inventor: ONO SHUJI
IPC: H04N1/12
Filed: 1986-04-18
Abstract: PURPOSE:To simplify the structure of a device and to eliminate the need for position adjustment by performing both the position detection of and starting point control over a light beam by a grid. CONSTITUTION:The quantity of a synchronizing light beam 2B detected by a photodetector 10 varies periodically through gratings of the grid 8 according to the main scanning of a scanning light beam 2A. The photodetector 10 detects the periodic variation of the beam 2B and a synchronizing signal generating means converts the variation into an electric pulse signal, thereby obtaining a synchronizing signal (pulse signal) indicating the position of the beam 2A in a main scanning direction. Only part of the obtained pulse signal which corresponds to a starting point control part is out of phase with other parts, and the phase variation of the pulse signal is detected to start a substantial scan for recording, reading, etc., thereby performing starting-point control over the effective scan of the beam 2A. Thus, the number of optical elements is decreased to simplify the structure of the device.
Patent JP-H05286502-A (JP)
Title: Garbage disposal device
Inventor: OKUDERA HIROYUKI
IPC: B65F1/06
Filed: 1992-04-10
Abstract: PURPOSE:To prevent the slip of a cassette by stopping the device by releasing a microswitch when a dust bag is put into the final state and the cassette is slipped off by the pressing of dust. CONSTITUTION:An engagement projection 10f formed on a cassette 10 is engaged with the longitudinal groove 8a of a discharge cylinder 8, and a magnet 17 and an operating projection 10i are installed on the upper surface of the cassette 10 and a magnetic body 18 and a microswitch 19 are arranged in opposed state over the cassette. Since, when a resin film is exhausted and dust is thrown in the length state shorter than that of a bag, the cassette 10 is pulled downward since the edge part of the film is not fixed on a suspended cylinder 10h, and the magnet 17 is separated from the magnetic body 18, and starts drop. However, the engagement projection 10f is engaged with the lower edge of the longitudinal groove 8a, and at the same time, the pressing for the microswitch 19 by the operating projection 10i is released, and the revolution of a motor is suspended, and the drop of the cassette and the dispersion of dust can be prevented by stopping the throw-in of the dust.
Patent JP-H03287304-A (JP)
Title: Center for cylinder grinding machine
Inventor: KUSASHIMA YUJI
IPC: B24B41/06
Filed: 1990-04-05
Abstract: PURPOSE:To support the center of a work (shaft) with a tip, and also to perform entire cylinder grinding of the outside diameter of the shaft without changing arrangement by providing a ring axially engaged in the recessed part of the center of a headstock and having projections, and the tip being inserted in the inside diameter side of this ring and being axially energized in the forward direction. CONSTITUTION:The center 1 for a headstock comprises a ring 4 which has a plurality of projections 4a at its end and is screwed in the internal thread formed axially in the recessed part 11 at the end of the center 1, a conical tip 2 which is inserted in the inside diameter side of this ring 4 and is axially energized in the forward direction by a spring 3. By this constitution, the center of a shaft (work) can be supported by the tip 2, and also the one end of the shaft can be fixed because of the biting of the projections 4a into the end surface of the shaft, and the other end thereof can be supported by the center of a tailstock. Thus, the grinding of the outside diameter of the shaft can be carried out without changing arrangement.
Patent JP-H10284542-A (JP)
Title: Method and device for automatically supplying metal ball to stock container
Inventor: TAKAHASHI SHIGEKI
IPC: H05K3/34
Filed: 1997-04-09
Abstract: PROBLEM TO BE SOLVED: To stabilize suction operation for sucking fine metal balls to a suction hole of a substrate by a method wherein metal balls in a stock container are floated, and floating height is controlled before sucking the ball to the suction hole of a substrate, and this floating height is kept at an optimum level. SOLUTION: A specific number of metal balls 2 are mounted and received in a stock container 1, and the stock container 1 is vibrated by a vibrator 3 under a specific vibration condition, whereby the metal balls 2 in the container 1 are floated. Next, the floating height of the metal balls 2 floated in the container 2 is measured by a floating height measuring instrument 4 disposed in the vicinity of the container 1. When the measured value of floating height exceeds a set value, the number of the metal balls 2 to be supplied to the container 1 is calculated by a calculation controller 5, and a calculation opening/ closing device 10 of a ball supplier 6 is controlled via a drive controller 11, and suction operation do not start before the specific number of metal balls 2 are supplied from the supplier 6 to the container 1.