baber/WOPTO huggingface dataset:
Patent JP-S61270302-A (JP)
Title: Self-fluxing iron alloy powder
Inventor: KUROSAKI YORIKATSU
IPC: C22C38/00
Filed: 1985-05-23
Abstract: PURPOSE:To improve the wear resistance of self-fluxing Fe alloy powder and the suitability to building up by reducing the amounts of Ni and Co and adding specified amounts of Cr, Mo, V, B, C, Si and Mn. CONSTITUTION:The composition of self-fluxing Fe alloy powder is composed of, by weight, 10-30% Cr, 5-15% Mo, <=10% V, 1-5% B, 1-5% C, 0.1-5% Si, 0.1-5% Mn, <=15% Co and the balance Fe. The amounts of expensive Ni and Co in the Fe alloy powder are reduced to proper values in the range of <=15% in which they are effective in improving the suitability of the powder to building up. The powder has superior wear resistance under severe conditions which causes wear in spite of the high Fe content, and it can be used for thermal spraying or other process at a low cost.
Patent JP-H01282016-A (JP)
Title: Refrigerating cycle control device for vehicle
Inventor: SAKA KOICHI
IPC: B60H1/32
Filed: 1988-05-06
Abstract: PURPOSE:To always maintain the acceleration characteristic and specific fuel consumption of a vehicle in a good condition by controlling the capacity of a variable capacity compressor, which is driven by the engine of the vehicle, so as to be reduced as the change gear ratio in the transmission of the vehicle becomes higher. CONSTITUTION:A variable capacity compressor 2 as a coolant compressing means is selectively driven by an engine 1 of a vehicle. On the other hand, the change gear ratio in the transmission of the vehicle is detected by a change gear ratio detecting means 3. And the variable capacity compressor 2 is controlled by a capacity control means 4, so that the capacity is reduced as the detected change gear ratio becomes higher. Thus, the load of the variable capacity compressor 2 to an evaporator is reduced, and the acceleration characteristic and specific fuel consumption of the vehicle under a high change gear ratio in the transmission can be always maintained in a good condition.
Patent JP-S602396-A (JP)
Title: Fixable-type thermal recording material
Inventor: YABUTA KENJI
IPC: B41M5/323
Filed: 1983-06-20
Abstract: PURPOSE:To obtain a fixable-type thermal recording material capable of forming a color in high density and having excellent preservation stability, by using a specified fatty acid amide derivative as a color forming adjuvant incorporated in a photosensitive thermal layer of the fixable-type thermal recording material. CONSTITUTION:The photosensitive thermal layer comprising a particulate dispersed material of a diazonium salt, a coupler compound, a color forming adjuvant and a color developer consisting of an organic basic compound giving a basic atmosphere by melting when being heated, is provided on a base in a single layer or two or more layers. A fatty acid amide derivative of formula I or II, wherein each of R1 and R3 is a 4-26C alkyl group, R2 is a hydrogen atom, a 1-8C alkyl group, a phenyl group or the like, and n is an integer of 1-3, which is heat-fusible and is insoluble or sparingly soluble in water, is used as the color forming adjuvant. The diazonium salt, the coupler compound and the color forming adjuvant are used in a weight ratio of 1:(0.1-10):(0.1-20). The organic basic compound is preferably a guanidine derivative.
Patent JP-H04338639-A (JP)
Title: Ion generator
Inventor: OJIRI HIDEHIRO
IPC: H01L21/3065
Filed: 1991-05-16
Abstract: PURPOSE:To provide such an ion generator as the ion amount can be controlled without being attended by contamination, as to an ion generator to be used in a manufacturing process, etc. of a semiconductor device. CONSTITUTION:This device has a plasma generators 3, 8 which generate plasma 4 in a plasma generating chamber 10, a magnetic field generator 1B located outside the plasma generating chamber, a magnetic flux density controller 2B which controls a magnetic flux density of the magnetic field generator, and an ion take-out port 5 installed on the plasma generating chamber at the magnetic field generator side. The device is so constructed as the ion amount to be taken out from the plasma may be controlled by controlling the magnetic flux density of the ion take-out port. The lower limit of the variation range of the magnetic flux density of the ion take-out port is such a value as stipulated by the formula B=q/2pifme (B: magnetic flux density, q: quantum of electrocity, pi: ratio of the circumference of a circle to its diameter, f: frequency of electromagnetic wave for generating plasma, me: weight of electron).
Patent JP-2000307404-A (JP)
Title: Transistor circuit
Inventor: KARAKI TOSHIRO
IPC: H03K17/567
Filed: 1999-04-19
Abstract: PROBLEM TO BE SOLVED: To shorten the turn-off delay time of a transistor circuit. SOLUTION: A Darlington connection of a bipolar transistor 7 and a bipolar transistor 2 with a load L is made, a P type MOS transistor 5 is provided between the emitter of the bipolar transistor 2 and the base of the bipolar transistor 7, and an N type MOS transistor 6 is provided between the base and emitter of the bipolar transistor 7. A base current supply source 1 is connected to the base of the bipolar transistor 2 and the gates of the P type MOS transistor 5 and N type MOS transistor 6 are connected to a control terminal 4. At turn-off time, the P MOS transistor 5 forcibly cuts off the emitter current flowing in the carrier extraction from the bipolar transistor 2, so the carrier extraction from the bipolar transistor 7 is started immediately without being affected by the turn-off delay time of the bipolar transistor 2.
Patent JP-H04339392-A (JP)
Title: Magnetic disk driving device
Inventor: SHIBATA HIROSHI
IPC: G11B25/04
Filed: 1991-05-16
Abstract: PURPOSE:To improve dust eliminating speed by arranging the filter fitting part of a filter for circulating air to a corner nearest to a magnetic head part and providing a step-like recessed part on the inside wall of a casing. CONSTITUTION:The filter fitting part 15 is arranged to the corner nearest to the magnetic head 2 for the rotational direction of a spindle motor 6. Further, a step part is provided on the inside wall of the upper lid of a magnetic disk drive device housing 10 from the mobile part of a magnetic head arm 4 and a spindle motor 6 to the filter attaching part 15, a step-like housing recessed part is formed. Thus, since air flow is converged, the dust removing speed is improved.
Patent JP-S592913-A (JP)
Title: Axle suspension device
Inventor: AIDA MAMORU
IPC: B60G9/04
Filed: 1982-06-30
Abstract: PURPOSE:To contrive to save the weight of suspension device as a whole and at the same time enable to fully secure the suspension function by a structure wherein torque rods are allowed to serve also stabilizer function. CONSTITUTION:When the vertical displacements of right and left or front and rear wheels are uneven as such is the case that one wheel picks up the roughness of a road or the like, said displacements are transferred as vertical displacements between an axle case 23 and the axis center of a stabilizer bar 27 so as to apply a torsional torque to the bar 27 in order to function as a stabilizer. In this case, the rods 28 serve as stabilizer arm and the transmission of the torsional torque is performed through geared rings 49, a spherical body 41 and a key 46. In addition, when a lateral force is applied between the case 23 and the bar 27, the bar 27 side of the rod 28 is subjected to a force with the direction (a), which can be rotatingly absorbed by an arrangement comprising teeth 55 and grooves 56.
Patent JP-S5236047-A (JP)
Title: Liquid crystal display unit
Inventor: KAMIYAMA MASAHARU
IPC: G02F1/13
Filed: 1975-09-17
Abstract: PURPOSE:To render it possible to increase the utility efficiency of a display means by forming an electrode terminal on portions of parallel plates other than the surfaces thereof opposite to each other.
Patent JP-2000304646-A (JP)
Title: Aerodynamic characteristic-testing model for turbo machine with strut
Inventor: KAWASAKI KIYOSHI
IPC: G01M9/08
Filed: 1999-04-20
Abstract: PROBLEM TO BE SOLVED: To make faithfully simulatable the flow of air of an actual machine by burying a measuring instrument into the tip of a strut for equipping, in a model for testing the aerodynamic characteristics of a turbo machine with the strut on the air intake side. SOLUTION: A total pressure pipe unit consists of an air intake metal fitting 6 that is arranging a gap in the longitudinal direction of a strut 1, and a conduit 7 for guiding air that is connected to the air intake metal fitting 6. The air intake metal fitting 6 is mounted to the tip of the strut 1, a cylindrical hole 6a is provided at the tip, and an air vent hole 6b is provided on both the side surfaces of the cylindrical hole 6a. The conduit 7 is inserted into the cylindrical hole 6a, air flowing into the cylindrical hole 6a partially flows into the conduit 7, and the remainder flows out of the air vent hole 6b, thus preventing the aerodynamic interference between a measuring instrument and the aerodynamic characteristic-testing model and preventing a measurement error in terms of aerodynamic performance.
Patent JP-H09262795-A (JP)
Title: Vegetable cutter
Inventor: AIBA JUNJI
IPC: B26D3/26
Filed: 1996-03-27
Abstract: PROBLEM TO BE SOLVED: To reduce the strength required to cut vegetable with a device for cutting vegetable square by utilizing hand cutting action. SOLUTION: A vegetable cutter, which includes a first cutting assembly 13 arranged with a plurality pieces of a first cutting blade 12 of a saw blade shape or a wave shape in parallel to each other at specific intervals with their blade ends facing upward and a second cutting assembly 15 including a second cutting blade 14 arranged on the lower part of the first cutting assembly 13 similarly and almost orthogonal to the first cutting blade 12, is of a composition equipped with a press down means which presses down the vegetable placed on the first cutting assembly 13 and cuts the vegetable square with the first cutting blade 12 and the second cutting blade 14. A vibration means 30 vibrating the cutting blade of at least one cutting assembly of the two assemblies in the longitudinal direction is additionally fitted to the cutter.
Patent JP-H0610171-A (JP)
Title: Treatment of hot finished ferritic stainless steel strip
Inventor: KOMORI TADASHI
IPC: B24B7/12
Filed: 1992-04-30
Abstract: PURPOSE:To provide the method for treatment of a hot rolled ferritic stainless steel strip which efficiently executes the removal of the surface scale and scale flaws of the steel strip by combining mechanical grinding and pickling and selectaing the conditions thereof. CONSTITUTION:This method for treatment of the hot finished ferritic stainless steel strip consists in subjecting the hot finished ferritic stainless steel strip to a grinding treatment of a 5 to 100mum surface range with a mechanical grinding means to remove the surface scale, then subjecting the steel strip to a pickling treatment with a hydronitrofluoric acid pickling soln. which contains 10 to 160g nitric acid per 1 liter hyddronitrofluoric acid soln. mixture and 20 to 210g hydrofluoric acid and is kept at 40 to 80 deg.C. As a result, the grinding and pickling treatments are simplified and the efficiency thereof is enhanced. The product having excellent surface quality is obtd. and the improvement in productivity and the reduction of the production cost are resulted.
Patent JP-H09285065-A (JP)
Title: Spindle motor
Inventor: FUJISHIMA MAKOTO
IPC: H02K5/15
Filed: 1996-04-09
Abstract: PROBLEM TO BE SOLVED: To improve the quality by a method wherein the outer circumference side of a washer which is press-contacted against the balls of a bearing is bent so as to prevent grease from being scattered. SOLUTION: A thrust ball bearing 3 has a retainer 11 which holds balls. Grease on the balls is held by the retainer 11. The balls are press-contacted against the lower surface of a hub plate and the upper surface of a circuit board 21 with upper and lower annular thrust washers 23 and 24 therebetween, respectively. The outer circumference side of at least one of the thrust washers 23 and 24 is bent in a thrust direction so as to form a circumferential wall 25 which is a grease scattering preventive part and covers the retainer 11. As the scattering of the grease is avoided, the degradation of the smoothness of the sliding motion of the thrust ball bearing 3 is avoided and, further, a medium disc is protected from the contamination by the grease which is scattered through a hole formed in a rotor case.
Patent JP-H10295543-A (JP)
Title: Method for elevating/lowering steam basket and its device
Inventor: SUZUKI SHINYA
IPC: A47J27/14
Filed: 1997-04-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for elevating/lowering steam baskets and its device by which laminated steam baskets are elevated/lowered by a handle operation not manually but mechanically when the steam basket where steamed food is contained is pulled-out from the steam baskets which are laid one on another in plural stages or when the new steam basket is replenished. SOLUTION: The steam basket elevating/lowering device is provided with a pair of pantograph links 2 and 2' provided by holding the steam basket between them, frame bodies 3 and 3' pivotally supporting their upper and lower parts so as to enclose the steam basket, a pair of steam basket elevating/lowering members 4 and 4' which are put through the oblong holes 36a and 36a' of brakets 36 and 36' provided in the frame bodies 3 and 3' so as to be engagement/detachment possible with the engagement projections of the steam basket within the range of the oblong holes of the brakets 36 and 36', supporting arms 41 and 42 whose one ends are pivotally provided in a pair of steam basket elevating/lowering member 4 and 4', a connecting member 43 provided between the supporting arms 41 and 42 a warm 51 and a warm wheel 52 for constituting a warm gear which is fitted at a steamer side,  an operation rod 6 connecting the peripheral edge of the warm wheel 52 and the pivot point of the pantograph links 2 and 2' and a handle 7 for extending/contracting the pantograph links 2 and 2' by the rotary operation of the warm 51.
Patent JP-2000307383-A (JP)
Title: Antenna sharing device
Inventor: FUJII KATSUYA
IPC: H03H9/72
Filed: 1999-04-20
Abstract: PROBLEM TO BE SOLVED: To miniaturize an antenna sharing device resulting in contributing to miniaturization of a mobile communication unit. SOLUTION: The antenna sharing device is provided with a package 14 having an antenna terminal 15, transmission/reception terminals 16, 17, and ground terminals 19a-19m, a transmission use surface acoustic wave filter 11 contained in the package 14, a phase substrate 14 connected electrically to the transmission surface acoustic wave filter 11 and a reception surface acoustic wave filter 12 electrically connected to the substrate 13. The transmission/ reception surface acoustic wave filters 11, 12 have a pass band of different frequencies and attenuate the pass band with each other, and the phase substrate 13 has a function of rotating the phase of the transmission band of the reception surface acoustic wave filter 12.
Patent JP-H11307371-A (JP)
Title: Electromagnetic device
Inventor: HAYASHI TAKAYA
IPC: H01F37/00
Filed: 1998-04-22
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic device for eliminating the cause of defective withstand voltages and defective insulation, without decreases in workability. SOLUTION: An electromagnetic device includes a laminated core 1, a coil 4 turned on a bobbin 2 and connected to a terminal metal fitting 3, a coil cover 5 for covering a part of the coil 4 which is not covered by the core 1, a base 6 for fixing these members, and a terminal stage 7 connected with an external line. An outer insulating part 71 of the terminal stage 7 is partly inserted into an opening 51 of the coil cover 5, and the terminal stage 7 is so fitted, that a coil end connection part 31 of the terminal metal fitting 3 and a coil end remaining part 41 are covered with the terminal stage 7.
Patent JP-H10296828-A (JP)
Title: Method for adjustment of coloring density of transparent colored resin sheet and manufacture thereof
Inventor: KAKUNO HIROSHI
IPC: B29C48/92
Filed: 1997-04-30
Abstract: PROBLEM TO BE SOLVED: To maintain a coloring density constant even though a sheet thickness is varied by a method wherein a thickness adjusting transparent colorless resin layer is integrated with a transparent colored resin layer in which a thickness and a colorant content are fixed to make a specific sheet thickness. SOLUTION: A thickness adjusting transparent colorless resin layer is integrated with a transparent colored resin layer in which a thickness and a colorant content are fixed with co-extrusion to make a transparent colored resin sheet of a specific thickness. An extruded thickness of the thickness adjusting transparent colorless resin layer is varied thus. As a layer structure, a structure in which two kinds two layers of a colored resin layer and a colorless resin layer are integrated; a structure in which two kinds three layers of putting the colorless resin layer between the colored resin layers are integrated; a structure in which two kinds three layers of putting the colored resin layer between the colorless resin layers are integrated, etc., can be prepared.  Further, structures in which three kinds three layers, three kinds four layers, and further three kinds five layers are integrated by adding newly a transparent functional resin layer, can be obtained. The functional layer is resin layer wherein functional additives such as, for example, an ultraviolet absorbent, an antistatic agent, an anti-fungus agent, etc., are added to the resin.
Patent JP-S5636849-A (JP)
Title: Magnetron
Inventor: SOTOKAWA YOSHI
IPC: H01J23/10
Filed: 1979-08-31
Abstract: PURPOSE:To perform a stable action of oscillation and increase an output of high frequency for a  magnetron simultaneously with the prevention of a permanent magnet from demagnetization, by  providing a slotted hollow part partially in the permanent magnet mounted to a main body and  allowing an output part, provided apart from the central point at one end side of the main body,  to correspond to said hollow part. CONSTITUTION:To a protruded part 14 provided apart from a central point 13' intersecting a  central line 13 of a magnetron tube axis, an output part 11 is firmly provided to obtain a very  good coupling of high frequency between an oscillation unit 16 and the output part 11 in a main  body 1. While on a seal plate 12 that seals an opening port end at the output side of an anode cylindrical body 7, a permanent magnet 17 is mounted through an external magnetic pole piece 18,  and a slotted hollow part 19 is provided in such a manner that a part of the permanent magnet 17  envelops the protruded part 14 from the seal plate 12 used as a support root for the output part 11. Further in a space 20 between the protruded part 14 and the slotted hollow part 19, a guide  21, used as both of a heat radiating blade for the seal plate and an air blower and dividing the  space 20, is mounted. In this way, not to speak a prevention of demagnetization of the permanent  magnet, an oscillating action can be stabilized further capable of increasing an output of high frequency.
Patent JP-S60253918-A (JP)
Title: Mass flowmeter
Inventor: MIZUNO TOORU
IPC: G01F1/32
Filed: 1984-05-31
Abstract: PURPOSE:To simplify the controller of an engine by varying the shape of a vortex generating body provided in a suction passage according to air conditions such as the temperature and pressure of suction air, and outputting a signal corresponding to a mass flow. CONSTITUTION:The vortex generating body 2 is arranged opposite a flow of suction air at the downstream side of a straightening grid 3 in a duct 1. The shape of the vortex generating body 2 is varied according to air conditions such as the temperature and pressure of the suction air. In this case, the representative size (d) varies with the temperature and pressure P of the suction air, so the vortex frequency (f) of a Karman's vortex street 5 generated at this time is proportional to the mass flow rate. The output signal of a galvanometric sensor 4 is a pulse signal of frequency corresponding to the mass flow rate of the suction air flowing in the duct 1 and the need for parts of a sensor, etc., and correction processing for converting a volume flow rate into a mass flow rate is eliminated, simplifying the controller.
Patent JP-S5236854-A (JP)
Title: Cleaner for mud gun
Inventor: YAMASHITA RISABUROU
IPC: B08B9/02
Filed: 1975-09-16
Abstract: PURPOSE: To provide a cleaner for mud guns for closing the iron outlet of the blast furnace wherein residual mud solidified on the inner wall surface of the nozzle thereof is crushed. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000302228-A (JP)
Title: Belt conveyor
Inventor: KOSAKA HAJIME
IPC: B65G23/44
Filed: 1999-04-20
Abstract: PROBLEM TO BE SOLVED: To rationally ensure the safety of a work by filling up a gap formed between the edge part of a belt and brackets at the end part of a belt conveyor. SOLUTION: A pair of right and left brackets 2 (2a, 2b, 2c) for supporting a roller 3 is made up of a bracket body 2a installed to the end part of a frame 1b of a conveyor body to support the roller, and a supporting bracket 2b for supporting the roller inside. On the inner side face of the supporting bracket 2b, a supporting hole 26 for fitting and supporting a supporting shaft 3b of the roller 3 is provided. Further, at the upper half part of the outer peripheral surface of the supporting bracket 2b, a gap formed between the side edge on the going path side of the belt and the side face of the bracket 2b is filled up to prevent fingers from entering the gap.
Patent JP-S60255697-A (JP)
Title: Method for controlling impurity concentration in silicon carbide single crystal
Inventor: FURUKAWA MASAKI
IPC: C30B29/36
Filed: 1984-05-31
Abstract: PURPOSE:To make the control of donor impurity concentration in a silicon single crystal suitable to mass-production form and operable on an industrial scale, by using N2 gas as a dopant in growing the n type 3C type silicon carbide single crystal containing nitrogen as a donor impurity on a silicon single crystal substrate by the vapor phase growth method. CONSTITUTION:A silicon single crystal substrate 5 is placed on a simple stage 3 on a support table 2 in a reaction tube 1, and a high-frequency current is passed through a work coil 8 winding around a jacket 7 of the reaction tube 1 to heat the stage 3 and the substrate 5 at 900-1,200 deg.C. SiH4 and C3H8 as raw material gases and H2 as a carrier gas are respectively fed from a gas feed inlet 12 into the reaction tube 1 to grow a very thin SiC film o the substrate 5. The feed of the raw material gases is then stopped, and the high-frequency current to be passed through the coil 3 is increased to set the temperature of the substrate 5 at 1,300-1,400 deg.C. The SiH4 and C3H8 and N2 as an impurity dopant are simultaneously passed through the reaction tube 1 to grow the aimed n type 3C type SiC single crystal thin film on the substrate 5 having the very thin SiC film applied thereto.