baber/WOPTO huggingface dataset:
Patent JP-H09279132-A (JP)
Title: Refrigerant for equipment utilizing cold heat of liquefied natural gas
Inventor: HISAKADO YOSHINORI
IPC: C09K5/04
Filed: 1996-04-16
Abstract: PROBLEM TO BE SOLVED: To obtain a refrigerant, having a saturated vapor pressure as low as below 24.5kg/cm<2> at 40 deg.C maximum service temperature and a positive saturated vapor pressure at -50 deg.C service temperature in equipment utilizing the cold heat of a liquefied natural gas (abbreviated to LNG) such as equipment for liquefying carbonic acid and a refrigerated warehouse. SOLUTION: This refrigerant for equipment utilizing the cold heat of LNG comprises <=69wt.% HFC-134a and >=31wt.% HFC-23. The solidifying temperature of the refrigerant is below -160 deg.C which is the temperature of the LNG.
Patent JP-H04324288-A (JP)
Title: Luminous radiation electron tube lighting device
Inventor: ERIGUCHI HIROYASU
IPC: H05B41/39
Filed: 1991-04-24
Abstract: PURPOSE:To prevent supply power to a filament from excessively increasing while stabilizing tube voltage by controlling the supply power to the filament. CONSTITUTION:In a lighting power feed circuit 2, an electron emitted from a filament 1b is accelerated by applying accelerating voltage between the filament 1b and an accelerating electrode 1c. In a filament heating circuit 3, the filament 1b is heated by supplying power to the filament 1b. The filament heating circuit 3 detects tube voltage between the filament 1b and the accelerating electrode 1c. In the filament heating circuit 3, supply power to the filament 1b is adjusted in accordance with a high/low level of the detected tube voltage so as to hold the tube voltage to almost a fixed value. In a heating power limiting part 3b, the supply power to the filament 1b is limited to a predetermined range.
Patent JP-S57209670-A (JP)
Title: Rust-inhibiting treatment of clad steel plate
Inventor: MORITA YUKIO
IPC: B05D7/14
Filed: 1981-06-19
Abstract: PURPOSE: To improve the quality of a clad steel material without necessity of straightening and to simplify installation therefore, by preapplying a reverse strain opposite to that to be generated by shot blasting, to the side of a steel material.  
     CONSTITUTION: Reverse strain opposite to that to be generated by shot-blasting, is formed at the steel material 2 side of a clad steel plate 1, before shot-blasting. The strain may be formed by linearly heating and rapidly cooling positions A at the steel material 2 side along its width. The steel material 2 side is then shot- blasted. Just thereafter, the blasted surface is coated with anticorrosive paint. In this case, the steel material 2 side is elongated by shot-blasting, so that the clad steel plate 1 is formed into a nearly flat state. Since the opposite strain is preapplied to the clad steel plate, strain-correcting work after shot-blasting can be substantially unnecessitated. Consequently, the quality of the clad steel plate is remarkably enhanced, as compared with a clad steel plate obtained by linearly heating after shot-blasting. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H06308237-A (JP)
Title: Obstacle detecting device
Inventor: SAITO SHINJI
IPC: B60W30/00
Filed: 1993-04-21
Abstract: PURPOSE:To correctly warn the driver of the danger of a collision by invariably detecting the inter-vehicle distances between multiple front vehicles and one's own vehicle, paying attention to the front vehicle having the highest danger, and issuing an alarm. CONSTITUTION:Pulses P, Q corresponding to reflected signals B, C from a front vehicle and a further front vehicle contained in the amplified 17 light reception signals are generated by a comparator 19. The counting action of a counter 20 is stopped by the pulse P generated first, and the output of a FF circuit 23 is kept at the L-level. When the second pulse Q is generated from the comparator 19, the output of the circuit 23 is inverted to the H-level, and the counting action of a counter 24 is stopped. An arithmetic circuit 43 makes a calculation based on the counted results (distance signals) of the counters 20, 24, and it outputs the alarm signal to a warning unit 52 when either one of them becomes the collision danger distance. An alarm is surely issued even when a collision is made imminent by the abrupt change of the travel state of the nearest front vehicle.
Patent JP-S59219343-A (JP)
Title: Production of phenolic resin foam
Inventor: TAKIGUCHI HIDEKI
IPC: C08J9/04
Filed: 1983-05-27
Abstract: PURPOSE:To obtain a phenolic resin foam having excellent elasticity, heat resistance etc., by adding a highly water-absorbing powder during the course of mixing a blowing agent, foam stabilizer, a hardener, etc. with a liquid resol type phenolic resin precondensate, and then expanding the mixture. CONSTITUTION:A phenol such as phenol or resorcinol is reacted with an aldehyde such as formaldehyde in the presence of an alkaline catalyst. A power of a highly water-abosrbing material such as an acrylic acid/vinyl alcohol copolymer or caboxymethylcellulose is added during the course of mixing a blowing agent, e.g. Freon, a surfactant, a foam stabilizer, e.g. Tween, an acidic hardener, e.g. p-toluenesulfonic acid, etc. with the above liquid resol type phenolic resin precondensate. The mixture is placed in a mold and expanded by heating to obtain the desired phenolic resin foam.
Patent JP-H08292352-A (JP)
Title: Intermediate barrel for microscope
Inventor: TAKEUCHI ATSUSHI
IPC: G02B7/04
Filed: 1995-04-20
Abstract: PURPOSE: To provide a simply constituted and compact intermediate barrel by which the conditions for observing the image of a sample on a microscope can be variously changed. CONSTITUTION: This intermediate barrel is provided with a mirror 1 for horizontally changing the way of light moving forward through an objective lens L to the peripendicularl upside, an image formation lens 2 for forming an image forming plane 4 by converging the light through the mirror 1, a rectile R attachably and detachably arranged on the image forming plane 4, an image rotator prism 9 for rotating the image of the sample to be observed by an observation barrel while receiving the light through the rectile R, and a zooming lens group 10 for changing the magnification of the image of the sample while receiving the light through the image rotator prism 9.
Patent JP-S62250944-A (JP)
Title: Flow control apparatus
Inventor: KURIHARA NORIKO
IPC: B01J19/26
Filed: 1986-04-25
Abstract: PURPOSE:To make the pressure in a system constant and to enable the stabilization of particle beam, by constituting a flow control apparatus by arranging a pressure control device to at least one of the upstream and downstream sides of a contractible and expansible nozzle. CONSTITUTION:When a downstream chamber 4 is evacuated while fine particles are supplied into an upstream chamber 3, fine particles are injected into the downstream chamber 4 from a contractible and expansible nozzle 1 by the difference pressure between the upstream chamber 3 and the downstream chamber 4. At this time, when the pressure ratio of the pressure Po in the upstream chamber 3 and the pressure P in the downstream chamber 4 becomes a critical pressure ratio or less, fine particles injected from the nozzle 1 come to a proper expanded stream of supersonic velocity under such a condition that the pressure of an outflow port 1C comes to P to become a beam-like-stream which is, in turn, sprayed to a substrate 5. A pressure control apparatus 2 keeps the pressure in the downstream chamber 4 constant and fine particles are stably supplied into the upstream chamber 3 to stabilize the beam.
Patent JP-H03291518-A (JP)
Title: Optical fiber gyroscope
Inventor: KAKO RYOJI
IPC: G02B6/00
Filed: 1990-04-10
Abstract: PURPOSE:To improve the measurement accuracy by setting the difference between the optical distances from the branch point of an optical waveguide coupler to a 2nd and a 3rd input/output port to nlambda/4 (where lambda: light source wavelength, n: positive integer). CONSTITUTION:The optical waveguide coupler 1 has a 1st input/output port P1 formed one of the opposite end surfaces of a crystal substrate 2 and the 2nd and 3rd input/output ports P2 and P3 formed on the other. Further, the branch part 3 which branches light incident on the port P1 into two is formed and 1st and 2nd optical waveguides l1 and l2 are formed extending from the branch part 3 to the ports P2 and P3. Then the difference between the optical distances from the branch point 3b of the branch part 3 to the ports P2 and P3 is set to nlambda/4 (where lambda: light source wavelength, n: positive integer). Consequently, a bias error due to end surface reflected light included in interference light detected by a lock-in amplifier can be removed and the measurement accuracy is improved.
Patent JP-H05285173-A (JP)
Title: Diaper
Inventor: DANIERU MATSUKUFUDO
IPC: A61F13/49
Filed: 1992-03-23
Abstract: PURPOSE: To allow change of only solid part of a diaper not whole the diaper, by composing the diaper partitioned into two parts, one for urine and the other for feces. CONSTITUTION: A polyvinyl chloride or rubber layer 1 is surrounded by a hollow tube 2, a part of which having a elastic tube contacts at the central part 3, and partition 4 divides the polyvinyl chloride or rubber layer 1 into two triangular parts with slightly rounded corners. One triangle to cover an abdomen is for absorption of urine, while the other placed rear for feces. The diaper is provided with two absorbents 7, each placed at the triangle part functioning as absorber for urine and feces. Thus, there would be no need to replace whole the diaper in case of urine or feces excretion.
Patent JP-H03292126-A (JP)
Title: Rigid tube lining technique on inside of branched pipe part of buried main pipe
Inventor: MIYAZAKI YASUO
IPC: B29L23/00
Filed: 1990-04-09
Abstract: PURPOSE:To perform safely and reliably the title technique irrespective of deterioration in strength by heating and softening of a rigid tube, by a method wherein insertion of a rigid tube into a branched pipe is performed by pulling-in by using a wire rod passed through within a branched pipe part from the inside of a buried main pipe. CONSTITUTION:A tip hook 5a of a wire rod 5 of a through wire within a branched pipe part 4 is hooked on a wire rod 6 in the middle 6a of the wire rod 6 of a through wire within a drain main pipe 2 and the middle 6a is pulled out on the ground through the branched part 4 from within the main pipe 2. The wire rod 6 can be passed through easily into the branched part 4 from the drain main pipe 2. When both ends of the wire rod 6 is pulled away through a manholes 1, 1 since a double-line part on its middle 6a is pulled back away toward a main pipe 2 side. Therefore, a rigid tube 7 can be inserted into the branched part 4 by pulling-in by using the wire rod 6 by making use of this action. After the insertion, the rigid tube 7 is expanded by heating and pressurization from within and then cooled and solidified, through which the rigid tube lining 7 can be formed on the inside of the branched pipe part 4.
Patent JP-H05247138-A (JP)
Title: Production of ethylene copolymer
Inventor: YANO TAKEFUMI
IPC: C08F4/60
Filed: 1992-03-03
Abstract: PURPOSE:To obtain the subject copolymer enabling a stable polymerization for a long period and having excellent physical properties by using a catalyst system consisting of a specific solid catalyst component and an organoaluminum compound in a gas phase polymerization in a fluidized bed. CONSTITUTION:A porous inorganic oxide (preferably silica) is treated in contact and in sequence with (A) organometal compound (preferably trimethylaluminum, etc.), (B) a grignard compound (preferably methylmagnesium chloride, etc.) of formula R<3> MgX (R<3> is C1-8 alkyl; X is halogen), (C) a reaction product between aluminum halide (preferably AlCl3) and an organosilicon compound (preferably trimethylethoxysilane, etc.) of formula R<1>mSi(OR<2>)4-m [R<1> is R<3> and phenyl; R<2> is R<3>; (m) 15 0-3] and (D) a titanium compound (preferably titanium tetrachloride, etc.) to obtain a solid catalyst component. Then, ethylene and an alpha-olefin are copolymerized in the presence of a catalyst consisting of the component and an organoaluminum compound.
Patent JP-H03293557-A (JP)
Title: Fluorescence detection type electrophoretic apparatus
Inventor: KANBARA HIDEKI
IPC: G01N27/64
Filed: 1990-04-12
Abstract: PURPOSE:To detect fluorescence while processing a number of samples simultaneously by forming a fluorescent video which is obtained by irradiating a plurality of excitation lights with different wavelengths to different locations separated at a specified interval of a gel electrophoretic separation plate at different locations on a fluorescence detector. CONSTITUTION:When a mixture of materials for separation, detection and the like labeled with a multi-color fluorescence is migrated individually on a migrating path of a gel electrophoretic plate 15 in terms of the materials, the electrophoretic plate 15 is irradiated with a plurality of excitation lights 17 and 18 at different locations separated at a specified interval thereof and a plurality of fluorescent images thus obtained are formed individually at different locations on a fluorescence detector 20. Thus, a number of samples can be separated and analyzed well without causing a trouble of a drop in an analyzing capacity or the like.
Patent JP-S58213068-A (JP)
Title: Recording liquid
Inventor: KASUYA KEIKO
IPC: C09D11/00
Filed: 1982-06-03
Abstract: PURPOSE:To prevent change in properties, formation of precipitates, etc. during long-term storage, and improve ejection stability, etc., by incorporating N-methyl acetamide in a recording liq. for use in an ink jet recording system, etc. comprising a recording agent and a liq. medium thereof. CONSTITUTION:A water-soluble dye such as C.I. Basic Yellow 12, C.I. Basic Orange 21, C.I. Basic Red 13, etc. is dissolved in a solvent consisting mainly of water, pref. a solvent mixture of water with a water-soluble org. solvent (e.g., ethyl alcohol, isopropyl alcohol). About 1-20wt% N-methylacetamide is added to the resulting recording liq. to yield the intended recording liq. N-methylacetamide serves to enhance the solubility of the dye as a recording liq., so that the clogging of ejection orifices, formation of precipitates during long-term storage, etc. can be prevented by its addition.
Patent JP-H01264885-A (JP)
Title: Multicolored thermal transfer recorder
Inventor: KOTO HAJIME
IPC: B41J35/16
Filed: 1988-04-18
Abstract: PURPOSE:To decrease waste of an ink carrier by hastening a transfer speed, by a method wherein the ink carrier on which black ink of high service frequency is applied and the ink carrier on which a plurality of other color ink is applied are distinctively established, and are printed with respective other thermal heads. CONSTITUTION:A platen 106, a thermal head 101 and an ink carrier 103 are used for colors other than black, and a platen 107, a thermal head 102 and an ink carrier 104 are used exclusively for black. A control circuit 203, when a black image signal is inputted, moves recording paper 20 to a position of the platen 107 and when a color other than black is inputted, moves the recording paper 20 to a position of the platen 106. An image signal 201 is decomposed into respective single signals to be once stored in an image memory 202. Thereafter, respective single signals of yellow, magenta and cyan blue are sent to the thermal head 101, and a black signal is sent to the thermal head 102. Then, when a signal level is '1', a current is respectively applied thereto, and a thermal resistor is heated.
Patent JP-H03293816-A (JP)
Title: Hybrid relay
Inventor: TANAKA KOJI
IPC: H01H9/56
Filed: 1990-04-11
Abstract: PURPOSE:To prevent switching of a load current in a leak current cutting-off contact mechanism to extend the life of contacts by switching a load by an output contact mechanism switched with an electromagnet and a semiconductor switching element and changing the voltage applied to the electromagnet to two steps. CONSTITUTION:A load 7 is switched by an output contact mechanism 13 switched by an electromagnet 12 and a semiconductor switching element 10 connected in parallel to this mechanism 13, and an auxiliary contact mechanism 14 for photocoupler operation which is switched by the electromagnet 12 and has contact intervals shorter than those of the output contact mechanism 13 and a leak current cutting-off contact mechanism 15 which has contact intervals shorter than those of the auxiliary contact mechanism 14 are provided, and the applied voltage of a coil 11 of the electromagnet 12 is changed to two steps. Consequently, the operation speed of a mobile iron piece driven by the electromagnet 12 is reduced, and a large operation timing difference is taken among contact mechanisms 13 to 15. Thus, switching of the load current in the leak current cutting-off contact mechanism 15 is prevented to extend the life.
Patent JP-H07299392-A (JP)
Title: Mechanism for installing blade return spring of sprinkler
Inventor: KADOTA CHIAKI
IPC: B05B3/04
Filed: 1994-05-09
Abstract: PURPOSE:To uniformly carry out water spray without causing the twisted buckling of a return spring by using a boss installation seat for receiving the lower end face of a boss with a larger outer peripheral diameter than that of the boss and allowing the lower winding part of the return spring which encircles the outer periphery of the boss installation seat to come into contact with the outer periphery of the boss installation seat when the return spring is twisted. CONSTITUTION:A boss (a) formed integrally with a rotary blade 24 is engaged with play with an axial shaft (b) installed upright at the specified part of a nozzle pipe which has a water feed nozzle and communicates, in a freely rotatable manner, with a water feed flow path from a lower end. At the same time, a wound-type return spring 25 which is engaged with the rotary blade 24 is made to encircle the outer periphery of the boss (a). In addition, the outer periphery diameter L of a boss installation seat (c) which receives the lower face of the boss (a) is made larger than that (r) of the boss (a), so that the lower winding part of the return spring 25 which encircles the outer periphery of the boss installation seat (c) comes into contact with the outer periphery of the boss installation seat (c) when the return spring 25 is twisted. Thus, it is possible to uniformly carry out water spray without causing the twisted buckling of the return spring.
Patent JP-S6084114-A (JP)
Title: Waste oil separating and purifying apparatus
Inventor: SUZUKI SADAKI
IPC: B01D17/02
Filed: 1983-05-30
Abstract: PURPOSE:To effectively remove grease or scum, by allowing the filtrate of a waste liquid having oils and fats or impurities mixed therein to further pass a multilayered filter member. CONSTITUTION:A filter tank 1 is separated into a precipitation chamber 5 having an inflow port 2 connected thereto and a filter chamber 6 having an outflow port 3 by a fixed partition plate 4. A precipitation side chamber 17 is provided by a partition plate 15 communicated with the precipitation chamber 5 at the lower part thereof and a metal filter frame 19 formed by attaching a metal net 21 to a square frame 20 under tension is received in said chamber 17 in an accessible manner. An obliquely downward directed support plate 30 is fixed along the lower edge 29 of the opened part 35 of the fixed partition plate 4 of the filter chamber 6 and a frame crosspiece 32 is attached thereto to constitute a filter enclosure 27. To this filter enclosure 27, a filter body 38 formed by attaching filter materials 42, 43 to the front and back surfaces of a square frame 41 under tension, a filter body 39 formed by attaching filter materials 45, 46 to the front and back surfaces of a wooden frame 44 and a filter body 40 formed by attaching filter materials 48, 49 to the front and back surfaces of a wooden frame 47 and packed with a filter aid 50 are fixed in a detachable manner.
Patent JP-H08290269-A (JP)
Title: Control device of welding equipment
Inventor: SOMA SABURO
IPC: B23K9/073
Filed: 1995-04-20
Abstract: PURPOSE: To improve the working environment of the welding work by providing a setting means to variably set the switching frequency to achieve the pulse width modulation PWM control by a controlling means according to the load condition to reduce the noise generated by the switching frequency or the higher harmonics. CONSTITUTION: A setting instrument 10 to output the modulation frequency setting signal swfB to variably set the modulation frequency to achieve the PWM control of an inverter 4 by a PWM generating circuit 12 according to the load condition is provided. An operator of a welding machine can set the modulation frequency according to the load condition, i.e., the mechanical conditions of the welding machine, the noise can be reduced, and the working environment of the welding works can be improved thereby.
Patent JP-H06289473-A (JP)
Title: Flare preventing mask supporting structure for camera
Inventor: TAKAMURA MASASHI
IPC: G03B17/04
Filed: 1993-03-30
Abstract: PURPOSE:To sufficiently prevent flare due to the transmission light of the peripheral part of a photographic lens by attaching a flare preventing mask into a key member moving less than the moving amount of a mobile lens-barrel even when a focal distance is changed by a variable focusing device driven by means of a helicoid to make the focal distance long. CONSTITUTION:A key plate 16 preventing the turn of the mobile lens-barrel 13 holding the photographic lenses 14 and 15 and guiding the advancing/retracting of the lens- barrel 13 is moved at speed almost equal to that of an intermediate lens-boarrel 12 and the flare preventing mask 33 is attached to the key plate 16. The intermediate lens-barrel 12 is linked with a fixed lens-barrel 11 via helicoids 11a and 12a and the mobile lens-barrel 13 through helicoids 12b and 13a. When the intermediate lens-barrel 12 is turned, the intermediate lens-barrel 12 and the mobile lens-barrel 13 are moved in the direction of an optical axis S with respect to the fixed lens-barrel 11 and the intermediate lens-barrel 12, respectively to change the focal distance. The moving quantity of the mobile lens-barrel 13 is lager than that of the intermediate lens-barrel 12 and even if the mobile lens-barrel 13 advanced up to the forefront, the key plate 16 is located in the side of an aperture 10a from the rear end part of the mobile lens-barrel 13.
Patent JP-S58211146-A (JP)
Title: Developing solution used for diazo copying
Inventor: HOSHINA TAKAYUKI
IPC: G03C5/18
Filed: 1982-06-02
Abstract: PURPOSE:To enhance image density, color developing performance, etc., by adding trimethylphenol or its derivs. to a developing soln. for diazo copying incorporating alkali agent, coupler, etc. in aq. solvent. CONSTITUTION:An alkali agent, such as potassium hydroxide or potassium metaborate, or the alkali agent and a coupler, such as phloroglucin or resorcin, are dissolved in water or a mixture of water and an organic solvent, such as diethylene glycol or propylene glycol. The present diazo copying developing soln. is obtained by adding to a base developing soln. trialkylphenol represented by the formula shown (R<1>, R<2>, R<3> are each 1-3C alkyl), such as 2,4,6-trimethylphenol or 2,6-diethyl-4-methylphenol, by 0.5-50wt% based on the developing soln.