baber/WOPTO huggingface dataset:
Patent JP-H0743488-A (JP)
Title: Core support structure of reactor
Inventor: TAMIYA TADASHI
IPC: G21C5/02
Filed: 1993-07-30
Abstract: PURPOSE:To bring forth negative radial expansion reactivity in a core at the time of a loss of a flow rate of coolant and thereby to improve the safety of the core by enlarging the rigidity of connecting tubes positioned at the radial center of a core support plate of a fast breeder reactor. CONSTITUTION:In regard to a core support structure constructed of a plurality of connecting tubes 5 which connect two support plates, an upper core support plate 3 and a lower core support plate 4, supporting a plurality of fuel assemblies 1 charged with a core fuel material, the structure is constructed of the connecting tubes out of which the connecting tubes positioned at the radial center are made thicker enough than the other ones.
Patent JP-S6081243-A (JP)
Title: Phenolic resin molding material
Inventor: HAMAURA YASUROU
IPC: C08L61/06
Filed: 1983-10-11
Abstract: PURPOSE:To provide a phenolic resin molding material giving little mold clouding in molding, by compounding a phenolic resin with a melamine. CONSTITUTION:The objective phenolic resin molding material is produced by compounding 100pts.wt. of a phenolic resin (e.g. resol phenolic resin, novolac phenolic resin, cresol resin, xylenol resin, or phenolic resin modified with cresol, xylene, etc.) with 0.5-7pts.wt. of melamine, and if necessary, a hardener, a mold-release agent, a colorant, a filler, etc. No mold clouding occurred after 2,000 shots in the molding of a microswitch case at a mold temperature of 190 deg.C, injection molding pressure of 1,250kg/cm<2> and a hardening time of 30sec.
Patent JP-S5891017-A (JP)
Title: Purifying method for alpha-type silicon nitride
Inventor: KURANARI YOUZOU
IPC: C01B21/068
Filed: 1981-11-26
Abstract: PURPOSE:To remove iron, calcium, silicon and silicon oxide as impurities from fine alpha-type silicon nitride powder by treating the powder with a mineral acid having a prescribed concn. or by further treating the treated powder with a mixed acid consisting of hydrofluoric acid and nitric acid under heating. CONSTITUTION:An aqueous soln. of a mineral acid having >=5% concn. is added to fine alpha-type silicon nitride powder, and the powder is treated under heating. The soln. is then separated from the treated powder. After further adding an aqueous soln. of a mixed acid consisting of hydrofluoric acid and nitric acid to the powder, the powder may be treated again under heating. Thus, iron, calcium, silicon and silicon oxide as impurities are removed from the alpha-type silicon nitride.
Patent JP-2000012666-A (JP)
Title: Electrostatic chuck
Inventor: ISHII MAMORU
IPC: B23Q3/15
Filed: 1998-06-19
Abstract: PROBLEM TO BE SOLVED: To obtain an electrostatic chuck with large electrostatic attraction and less contamination on an attracted body by forming an insulation layer mainly with zirconia with an oxygen defect and adjusting volume resistivity in a proper range. SOLUTION: In an electrostatic chuck 1, an electrode 2 is provided between upper and lower insulation layers 3 and the electrostatic chuck 1 is fixed on a substrate 4. A DC current 5 is connected to the electrode 2 and a semiconductor wafer W that is placed on an attraction surface 3a of the insulation layers 3 is electrostatically attracted by feeding power to the electrode 2. Then, the insulation layer 3 is formed mainly by zirconia with an oxygen loss, and the volume resistivity of the insulation layer 3 is adjusted to 108-1014 Ωcm. Then, the zirzonia has a high plasma resistance a higher generation free energy in a halogenation reaction than titanium, is stable against such plasma as CF4, and allows the volume resistivity to be adjusted, thus obtaining large attraction without poorly affecting a circuit formed by a semiconductor wafer.
Patent JP-S6081157-A (JP)
Title: Production of dl-phenylalanine
Inventor: HARADA TSUNEO
IPC: C07C227/08
Filed: 1983-10-13
Abstract: PURPOSE:To produce the titled compound easily, in high yield, by feeding alpha- halogeno-beta-phenylpropionic acid into a reactor containing an aqueous solution of ammonia, thereby reacting the components with each other. CONSTITUTION:The alpha-halogeno-beta-phenylpropionic acid of formula (X is halogen) or its salt is supplied continuously or intermittently to an ammonia-containing solution charged in a reactor beforehand, and are made to react with each other at 50-150 deg.C to obtain the objective compound. The rate of feeding of the alpha-halogeno-beta-phenylpropionic acid is 0.01-2, preferably 0.5-1 based on the rate of conversion to DL-phehylalanine, and the amount of ammonia to be present in the reactor is >=3mol, preferably >=5mol per 1mol of the alpha-halogeno-beta-phenylpropionic acid.
Patent JP-H1138146-A (JP)
Title: Smear filter holder
Inventor: HASHIMOTO TADAO
IPC: G01T1/169
Filed: 1997-07-15
Abstract: PROBLEM TO BE SOLVED: To provide a smear filter holder from which dust collecting location can be read out with a radioactive measuring instrument without requiring a long time for correcting the deformation of a smear filter and which can be measured with the radioactive measuring instrument on which a dust monitoring filter holder can be set. SOLUTION: A guide plate 23 having a recessed section 231 for setting a smear filter 7 is arranged at the central part of the main body section 2a of the smear filter holder and a collecting location recording section 3a indicating the collecting location of dust with the smear filter 7 is provided above the main body section 2a. In addition, a bar-code plate 33, on which the collecting location is written and bar codes for reading out the collecting location by means of a radioactive measuring instrument, etc., are printed, is stuck to the recording section 3a. A door section 4a, which covers the upper surface of the main body section 2a is coupled with one side of the main body section 2a in an openable/closable state with pins 5. The door section 4a has an opening correspondingly to the surface of the filter 7 and the opening is covered with a wire net 44.
Patent JP-H06289043-A (JP)
Title: Angular velocity sensor and its production method
Inventor: TERADA JIRO
IPC: G01C19/5628
Filed: 1993-07-30
Abstract: PURPOSE:To enable eliminating unnecessary signal component due to unbalance of left and right by constituting left and right elements for detection to rectangular plate shape including a piezoelectric element and grinding out the end of the plate shape. CONSTITUTION:An angle sensor is assembled with electrodes block 9 contacting in tuning fork type, a first vibration unit and a second vibration unit constituted by arranging with contacting a piezoelectric body for monitor 6 and piezoelectric body for detection 7 to a permanent elastic metal plate 5. This sensor is passed through an inspection process and detected of unnecessary signal component due to asymmetry. If the unnecessary signal component value is over a determined value, the sensor is sent to a trimming process for coarse adjustment and fine adjustment of the piezoelectric body for detection. In the trimming, the edge part 11 of the metal plate 5 end is ground and weight balance and vibration balance of left and right are adjusted. After completing every adjustment, it is returned to the inspection process and unnecessary signal component is again detected. If the value is below the determined value, it is sent to a completion process. Thus, by properly grinding the edge part 11, the unnecessary signal components in left and right can be made to be 0.
Patent JP-2000019057-A (JP)
Title: Method for detecting spray state of particle and apparatus therefor
Inventor: INOUE NOBUO
IPC: B05D1/02
Filed: 1998-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for detecting a spray state of particles and an apparatus therefor whereby the spray state of any particles can be clearly checked, detected without interrupting a spray work, so that an accurate spray state can be secured at all times. SOLUTION: In this method for detecting a spray state when a particle 3 is sprayed to a work 4, a laser light 6 is irradiated in plane to the vicinity of the work 4, thereby detecting a spray state S of the particle. While the spray state of the particle 3 is detected, the sprayed particle 3 keeps on moving to a front face of the work 4 without any trouble. Therefore, the spray state of the particle can be checked, detected with a high frequency and the particle can be sprayed with an accurate spray state being secured at all times.
Patent JP-S6182188-A (JP)
Title: Measuring device for time interval
Inventor: HAYASHI YOSHIO
IPC: G04F10/04
Filed: 1984-09-10
Abstract: PURPOSE:To measure the time interval of a specific signal among input time signals which differ in time interval speedily with high precision by deciding whether the time interval of an input time signal is within a set range or not and inputting the measured value. CONSTITUTION:The opening of an AND gate 206 is controlled by two stages of flip-flops FF204 and FF205 which are supplied with an input time signal inputted to a gate means 202 and an inverted input time signal passed through an inverter 207 respectively according to the time interval of the input time signal. Then, a clock passed through the gate 206 is supplied to the maximum value clocking means 209 and minimum value clocking means 210 of a clocking means 210 and when it is decided whether the time interval of the input time signal is within the range between the maximum and minimum values of the time interval set by an operating means 211, the time interval measured value of the input time signal measured with high precision by a measuring means 217 by using a high-frequency clock, etc., is inputted. Therefore, many measured values need not be inputted for statistical processing, etc., and the time interval of a specific signal is measured speedily with high precision.
Patent JP-H10138226-A (JP)
Title: Manufacture of ceramic member
Inventor: TAKEUCHI YUKIHISA
IPC: B26F1/14
Filed: 1997-07-15
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of cracks and the deterioration of positional accuracy of fine-through holes from occurring. SOLUTION: A green sheet 7 for a thin-section plate has a tensile strength (σ) of 10kgf/cm<2> or more and 200kgf/cm<2> or less, and also has an elongation rate of 0.5mm<3> /kgf or more and 25.0mm<3> /kgf or less expressed by a formula Δl.S/T, wherein Δl(mm) represents an elongation at the time of the rupture of the green sheet 7 for the thin-section plate and T(kgf) and S(mm<2> ) respectively represent the tension and the cross section at the time of the rupture. In addition, the absolute value of a difference in temperatures T50 in the process of sintering between the green sheet 7 for the thin-section plate and a green sheet 9 for a rigid sheet, is 50 deg.C or less, and the absolute value of a difference in baking shrinkage F between both green sheets 7, 9 is 1.5% or less.  Further, the green sheet 7 for the thin-sections plate with plural fine-through holes 1 formed by punching is laminated on the green sheet 9 for the rigid plate into a monolithic laminate and this laminate is baked.
Patent JP-H0944340-A (JP)
Title: Parallel multiplying circuit
Inventor: YANADA SHIYUUJI
IPC: G06F7/52
Filed: 1995-07-26
Abstract: PROBLEM TO BE SOLVED: To reduce the number of multipliers and to compress a circuit scale only when a multiplicand is a positive or negative number of (m) bits and a multiplier is a positive number of (n) bits by obtaining output of (m+n) bits by adding a result in which each bit of the multiplier is miltuplied by the multiplicand of (m) bits in each parallel multiplication block by an adder in each parallel multiplication block. SOLUTION: This circuit is constituted in such a way that (n) parallel multiplication blocks arranged by shifting in the direction of most significant digit by every digit are provided and each multiplication block comprises (m) multipliers 130 and one expander 140 on its most significant digit. The multiplier 130 comprises a two-input AND circuit which inputs the multiplicand and the multiplier, and an addition circuit which inputs a multiplication result, the output of the two-input AND circuit and carry input and outputs carry output and the multiplication result. The expander 140 comprises a two-input AND circuit which inputs multiplicand number input and multiplier input and a two- input OR circuit which inputs the output of the two-input AND circuit and the multiplication result and outputs the multiplication result.
Patent JP-S6346242-A (JP)
Title: Rubber composition
Inventor: SUZUKI KATSUO
IPC: C08L21/00
Filed: 1986-08-13
Abstract: PURPOSE:To obtain a rubber composition capable of providing a rubber vulcanized molded article having improved frictional resistance and wear resistance without substantially damaging rubber characteristic properties, by blending rubber with liquid crystal high polymer powder. CONSTITUTION:(A) 100pts.wt. synthetic rubber such as natural rubber, styrene butadiene rubber, butyl rubber, acrylonitrile butadiene rubber, etc., is blended with (B) 1-150pts.wt., preferably 10-50pts.wt. liquid crystal high polymer having 0.1-30mum, preferably 0.1-15mum average particle diameter in the form of powder such as spherical, fibrous, amorphous shape,e.g. liquid crystal polyester resin powder, etc., and kneaded by a kneading device such as open rolls, Banbury mixer, etc., to give the aimed rubber composition.
Patent JP-H0631215-A (JP)
Title: Apparatus for painting inner surface of deformed pipe
Inventor: YAMASHITA TADASHI
IPC: B05B13/06
Filed: 1992-07-17
Abstract: PURPOSE:To retrieve a worker from the heat or dust and to enhance and stabilize painting quality at the time of the powder painting of the inner surface of a deformed pipe. CONSTITUTION:A turntable truck 1 positioning a deformed pipe in an up-and- down direction L, a left-and-right direction I and a horizontal revolving direction T runs toward a painting booth 3. The pipe 4 in the painting booth 3 is internally painted by the painting gun 6 of a painting robot 5. The painting gun 6 is moved in five axial directions of three-dimensional direction X, Y, Z, the direction Q around a horizontal axis and a direction A inclined with respect to the horizontal axis.
Patent JP-S5979446-A (JP)
Title: Magneto-optical head
Inventor: DEGUCHI TOSHIHISA
IPC: G01J4/04
Filed: 1982-10-28
Abstract: PURPOSE:To obtain a satisfactory differential effect with an optical-magnetic storage device, by providing two photoelectric converters to receive the luminous fluxes detected by two photodetectors and then amplifying differentially the outputs of those two photoelectric converters. CONSTITUTION:The laser beams which are irradiated to a storage medium 1 having a magnetization facilitating axis in the direction vertical to the film surface and then reflected or transmitted are made incident to a composite polarizer 8. The azimuth angle theta of the polarizer 8 is set at 0 deg.theta<45 deg. to a junction line. The wave detected light passed through each polarizer of the polarizer 8 is made incident to a composite photodetecting element 9 consisting of two photodetecting elements split in the direction equal to that of the junction line of the polarizer 8. Each information signal applied with the photoelectric conversion by the element 9 is fed to a differential amplifier 10, and this differential effect suppresses the effect of the undesired signal light.
Patent JP-S6346099-A (JP)
Title: Expansible supervisory control system
Inventor: NAGANO MASAAKI
IPC: H04Q9/00
Filed: 1986-08-13
Abstract: PURPOSE:To realize an expansible supervisory controller by normalizing the connecting section of a supervisory controller main body and a transmission line section and the connecting section of the transmission line section and a display and operation section, and standardizing the form of signal transmitted by a transmitting section. CONSTITUTION:The connecting sections 5, 5, 5 of as transmission line section 6 and bodies 4a, 4b, 4c of supervisory control sections, and the connecting section 9 to a display and operation section 8 are standardized and unified. The form of information 7 such as supervisory information, control information etc., are standardized and unified. Thereby, a system is constituted with the use of a supervisory controller and the display and operation section of other manufacturers in common while retaining conventional form only by providing a section that converts received signals to signals that are suitable to the supervisory controller main body.
Patent JP-H1038185-A (JP)
Title: Inspecting and repairing device for pipe line
Inventor: IWAMURA HIDEYO
IPC: G01N29/04
Filed: 1996-07-19
Abstract: PROBLEM TO BE SOLVED: To safely inspect and repair a pipe line by preventing a pipe from being buckled and floated by replacing clear water or seawater in the pipe. SOLUTION: A work coupler 2 having water-tightness and pressure tightness and an exhaust gas processing coupler 4 are connected by flexible connecting devices 5 and provided in a pipe line 1 filled with clear water or seawater. Packers 7, moving wheels 6, a fill and drain device 9, driving devices 10 and packer pneumatic devices 11 are provided on the outer periphery of the work coupler. A water-tight opening and closing door 8 is provided on the end, a water-tight opening door 15 is provided on the cylindrical part, a part between a capsule 2 and a pipe 1 is sectioned by the packers 7, water is drained, and work is performed under the atmospheric pressure environment.
Patent JP-H0853941-A (JP)
Title: Construction work method of unit floor
Inventor: FURUTA ARATA
IPC: E04G21/16
Filed: 1994-08-12
Abstract: PURPOSE:To further shorten a construction period by improving operation efficiency of a tower crane in construction work of a unit floor. CONSTITUTION:A unit floor 8 is temporarily fastened to a suspending frame 4 of a stand K. Next, an anchoring wire 10 of a suspending beam 9 fixed to the stand K is hooked on a hook 9 of a tower crane. The stand K is suspended as it is by the crane up to a floor height of a suspending purpose, and the stand K is supported with a large beam 1. Next, the crane is separated from the present stand K, and is successively installed on a previously used separate stand K, and goes to suspend the next unit floor. In parallel to this work, a unit floor 8 is suspended from the stand K arranged on the large beam 1, and while adjusting a position, installing' construction work is performed.
Patent JP-S5981836-A (JP)
Title: Color picture tube
Inventor: TAKENAKA SHIGEO
IPC: H01J9/14
Filed: 1982-11-01
Abstract: PURPOSE:To enable simultaneously press molding of plural sheets of laminated flat masks without inserting an insulator at non-effective section by setting the contour of each flat mask short only at one side. CONSTITUTION:First flat mask 31 has non-effective section 35 where an aperture 34 does not exist which is long on X-X axis while short on Y-Y axis and non- effective section 37 where aperture of second flat mask 40 does not exist which is short on X-X axis while long on Y-Y axis. Two flat masks 31, 40 secured tightly through paraffin injected to aperture sections 34, 36 in a box 33 are pressed simultaneously to produce a face having predetermined curvature and skirt sections 51, 52 for supporting said face. With such structure, no insulator will exist on the curved face section of mask and no insulator is required to be arranged between two flat matrixes prior to pressing to facilitate manufacture and to realize economy.
Patent JP-S6167962-A (JP)
Title: Switching element
Inventor: MIYAKE TOSHIHIDE
IPC: H01L29/735
Filed: 1984-09-11
Abstract: PURPOSE:To contrive the improvement in switching function in a pnp lateral transistor by constructing a collector with an internal and external double structure and determining the external p-region as output and controlling the switching operation by a potential of the internal p-region. CONSTITUTION:In a semiconductor substrate 1, an n<+> buried layer 2 is formed in advance and an n type layer 3 is formed on the main surface. In the layer 3, a p-diffusion region which will become an emitter is formed in the central part and further around the region 4, the first and second p-diffusion areas 5 and 6 are double formed. Among these regions 5 and 6, the region 5 is led as a collector of a pnp lateral transistor Tr and the region 6 located between the regions 4 and 5 is provided with a terminal 7 which is connected with switching into electrically floating or grounding in order to control energizing of the Tr. By such constitution, the energizing operation can be controlled by a simple circuit constitution without narrowing a range of an output voltage.
Patent JP-H0354719-A (JP)
Title: Magnetic recording medium
Inventor: SHINOHARA KOICHI
IPC: G11B5/64
Filed: 1989-07-24
Abstract: PURPOSE:To improve wide-band C/N and durability by forming two magnetic layers in a manner that the axis of easy magnetization of each layer is oriented at an angle between >=45 deg and <=70 deg to the film plane and the axes are symmetric to each other to the vertical line of the medium. CONSTITUTION:The two ferromagnetic thin films 3, 4 are formed in a manner that axes of easy magnetization (M1, M2) are oriented at angles theta1, theta2, respectively, between >=45 deg and <=70 deg from the film plane and are symmetric to each other to the vertical axis (g) of the medium. The ferromagnetic metal thin films 3, 4 may consist of the same material or two materials selected from Co-Cr, Co-Ti, etc. The first layer 3 is formed by vapor deposition with a specified incident angle range and then the second layer 4 is vapor deposited so as to make the axis of easy magnetization symmetric to that of the layer 3. Thereby, the obtd. medium has good durability and corrosion resistance and shows preferable characteristics of wide-band C/N.
Patent JP-H0242249-A (JP)
Title: Speed change control device of continuous transmission
Inventor: KONO TETSUSHI
IPC: F16H9/00
Filed: 1988-07-30
Abstract: PURPOSE:To prevent overshoot in case the target value is constant by deciding the shifting speed with a shift speed scanning part on the basis of deviation of actual gear ratio from the target gear ratio and the variation of this deviation. CONSTITUTION:Actual gear ratio (i) is calculated by a calculator part 40 with signals given from a primary and a secondary pulley revolving speed sensor 21, 22, while a target primary pulley revolving speed computed at a scanning part 41 from the degree of throttle opening given by a sensor 29 and the actual gear ratio (i), and further the target gear ratio reckoned by a second calculator part 42. A third calculator part 43 determines the deviation of actual gear ratio (i) from the target gear ratio is while another calculator part 44 obtains the variation of the deviation, and on the basis of these calculations, a scanning part 45 determines the shift speed di/dt by means of map scanning, and a solenoid valve 48 is driven with corresponding duty ratio D. This prevents overshoot etc. in case the target value is constant.