baber/WOPTO huggingface dataset:
Patent JP-H04124215-A (JP)
Title: Quenching method
Inventor: ITO KOICHI
IPC: C21D1/18
Filed: 1990-09-12
Abstract: PURPOSE:To prevent the development of strain in a material to be treated due to quenching by cooling a gear with gas to martensitic transformation starting temp. or higher after heating the gear to quenching temp. to uniformizing the temp., and successively cooling the gear with gas to the martensitic transformation starting temp. or below at the time of quench- hardening the material to be treated of the steel-made gear, etc. CONSTITUTION:At the time of quenching the steel-made parts of the gear for car, machining parts, etc., where the development of stain after quenching is not desirable, after heating to an austenitic temp. range of such a steel, the steel is cooled to the temp. of the martensitic transformation starting temp. or higher, e.g. using nitrogen gas having about 20 deg.C as cooling medium to uniformize temp. of the whole material to be treated for gear, etc. Successively, the steel is cooled with N2 gas or Ar gas so as to come to the martensitic transformation starting temp. or lower, and quenched. By this method, the development of strain in the material to be treated for gear, etc., after quenching, can be prevented.
Patent JP-H0291329-A (JP)
Title: Cutting pawl for civil work
Inventor: TAKADA SHIGETOSHI
IPC: E02F9/28
Filed: 1988-09-27
Abstract: PURPOSE:To prevent getting fragile by carbon scattering to a weld part, and increase a service life by putting a spacer consisting of nickel steel between a tip part and a root part, and composing in such a way as to prevent scattering of carbon from the tip part to the weld part. CONSTITUTION:A root part 1 of ferro-metal, and a tip part 2 consisting of ultra-hard alloy to be welded at its end are welded with each other to be applied in the form of X, and a protruding end surface 1a of the root part 1 is formed like the trough of a letter of V, or a protruding end surface 2a of the tip 2 is formed in the form of the crest of a V-letter corresponding to it. A spacer 3 consisting of nickel steel of a proper thickness is applied to the protruding end surface 2a, the tip part 2 is applied to the root part 1, the spacer 3 and the base part 2 are welded with each other while a proper pressure is applied in the direction of the center axis of a pawl, then the root part 1 and the tip part 2 are welded with each other, padding is applied to a weld part 4, and the outer configuration is modified by a grinder or the like. Deterioration of strength by blow holes or weld defectives can thus be prevented, and necessary weld strength can be obtained securely.
Patent JP-H1187348-A (JP)
Title: Semiconductor device and production thereof
Inventor: SAKURAGI MASAHIRO
IPC: H01L21/3205
Filed: 1997-09-09
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device having a flat wiring layer. SOLUTION: A substrate layer 41 is formed on a field oxide film 36. A polysilicon layer 44 is arranged to the substrate layer 41 covering it. An inter- layer film 49 is arranged on the polysilicon layer 44. A wiring layer 55 is arranged on the inter-layer film 49. The wiring layer 55 is connected to the polysilicon layer 44 at the opening part of the inter-layer film 49. The opening edge (inner circumference part) 49a of the inter-layer film 49 is larger than the outer circumference part 41a of the substrate layer 41 and located on an outer side. A film thickness t1 of a polysilicon layer 38 of the substrate layer 44 is equal to a film thickness t2 of ht inter-layer film 49 which is retained on the polysilicon layer 44. Therefore, the wiring layer 55 is almost flat having very few unevenness.
Patent JP-H04124877-A (JP)
Title: Gate turn-off thyristor
Inventor: SATO YUKIMASA
IPC: H01L29/74
Filed: 1990-09-17
Abstract: PURPOSE:To reduce turn-off loss and improve breaking capacity without increasing trigger currents by forming an n-type semiconductor layer higher in resistance than a buffer, between the buffer layer and a p-emitter layer. CONSTITUTION:In a semiconductor substrate l, an n-emitter layer 2, a p-base layer 3, an n-base layer 4 of high resistance, and an n<->-layer 6 being n type and higher in resistance than the buffer layer 5 are formed, and further a p- emitter layer 7 and, right below the n-emitter layer, an n-type short layer 8 are provided, and the current amplification factor at a pnp transistor part is reduced. Furthermore, an anode electrode 10, a cathode electrode 20, and a gate electrode 30 are provided at each exposed face of the p-emitter layer 7, the n-emitter layer 2, and the p-base layer 3. Moreover, selective carrier life time control is applied to the buffer layer shown by an oblique line, and the current amplification factor at the pnp transistor part is made small.
Patent JP-H0291018-A (JP)
Title: Solid barproic acid preparation stable to humidity and its production
Inventor: ARASERISU EME ORUTEGA
IPC: A61P25/08
Filed: 1988-09-27
Abstract: PURPOSE: To produce a moisture-stable solid valproic acid preparation that contains valproic acid, a filler, tablet-decomposing substance, binder and lubricant, is solid and stable to moisture without protective coating, and can be formed to tablets with a tabletting machine. CONSTITUTION: This moisture-stable solid valproic acid preparation comprises 55-65wt.% of valproic acid, 10-25wt.% of a filler (e.g. magnesium oxide), 10-20wt.% of tablet-degrading substance (e.g. corn starch), 3-6wt.% of a binder (e.g. a combination of polyvinyl pyrrolidone and sodium carboxymethlyl cellulose), and 0.5-1.2wt.% of a lubricant (e.g. magnesium stearate). By this formulation valproic acid can be prepared in the form of dry and nonhygroscopic powder which is suitable for tabletting and capsulizing without needing special package or protective treatment for maintaining its stability against moisture.
Patent JP-S61121486-A (JP)
Title: Manufacture of semiconductor laser
Inventor: IMAI TOSHIHIRO
IPC: H01S5/00
Filed: 1984-11-19
Abstract: PURPOSE:To prevent a tracking error signal from deformation due to changes in the tangential skew angle relative to the zero-order beam optical recording body by a method wherein the laser-projecting face of a semiconductor laser is converted into a coarse face with the light-emitting portion under a mask. CONSTITUTION:A number of laser bars 9 are placed in long, rectangular recesses 11 provided on a masking substrate 10. The lower half of the laser-projecting end face of each of semiconductor lasers 1 is exposed, to be covered by a pro tecting films 13. Next, the laser bars 9 are taken out of the masking substrate 10, to have their surfaces 14 rendered coarse by etching with the protecting films 13 serving as masks. A process follows wherein anisotropic etching is accomplished for the removal of the protective films 13 from the surfaces whereafter the protecting films 13 are retained on the laser-projecting end faces only. Scribing is effected for dicing whereby every semiconductor laser 1 is developed into a pellet.
Patent JP-S62176611-A (JP)
Title: Manufacture of thin metal tube
Inventor: NAKAKO TAKEFUMI
IPC: B21D5/12
Filed: 1986-10-14
Abstract: PURPOSE:To form a high strength metal sheet into a tube having high out-of- roundness by providing a metal sheet with a pre-deformation in the width direction using a small roll and forming the tube by utilizing a residual curvature in the width direction at a position having no curvature in the longitudinal direction. CONSTITUTION:A pre-deformation device 1 is installed at the downstream side of an uncoiler 5; a small diameter bending roll 1a and a polyurethane lining roll 1b perform a plastic bending work in the width direction on a surface of a metal sheet 2 being the inner surface of a tube to give the sheet 2 pre- deformation. The sheet 2 is formed into tube by side rolls 3 and feed rolls 4 by utilizing a residual curvature in the width direction caused by the above plastic bending at the position where the distance from the roll 1a is about >=30 times the finished tube diameter and further a curvature in the longitudinal direction goes to zero, and is welded with a welding torch 6. Therefore, a tube with the high out-of-roundness is formed of even a high strength metal sheet or a material before annealing.
Patent JP-2000071703-A (JP)
Title: Vehicle wheel
Inventor: NOYAMA KATSUHIRO
IPC: B60B3/00
Filed: 1998-08-28
Abstract: PROBLEM TO BE SOLVED: To enhance safety during nighttime ride and improve design impression of the areas around wheels by illuminating the areas around wheels of automobiles and two-wheelers. SOLUTION: Lamps 30 or other light-emitting elements are installed on the outer surface of a wheel body 22, the surfaces around a wheel center cap, or the inner peripheral surface of a rim 21. A battery or other power supply unit is also provided inside the wheel center cap or the wheel body 22 to equip the wheel with an illuminating function. This enhances safety during nighttime ride and convenience for parking at night. Further, its illuminating function adds to illumination effects and enhances design impression.
Patent JP-S6397922-A (JP)
Title: Production of electrochromic display element
Inventor: WADA SHUICHI
IPC: G02F1/17
Filed: 1986-10-14
Abstract: PURPOSE:To decrease the labor and time required for forming display electrodes by forming protective films of a required pattern on the surface of a display side substrate provided with a transparent electrode film, then forming an electrochromic material layer thereon by electrolytic deposition. CONSTITUTION:The transparent electrode film 2 of the required pattern is preliminarily formed for the ITO predeposited on one face of the display side substrate 1. A soln. contg. an organosilsesquioxane oligomer or organosilanol is coated on the surface including a part of the film 2 by a screen printing method and is subjected to a heating treatment after drying to form the protective films 3 of the required pattern. The electrochromic material layer 4 is thereafter deposited by the electrodeposition on the electrode film 2 to form display electrodes 5. The need for intricate treatment stages such as coating and baking of a photoresist, etching lifting off and resist removing is thereby entirely eliminated.
Patent JP-H06222746-A (JP)
Title: Microprocessor-controlled display unit
Inventor: YARI KOTSUKO
IPC: G09G5/12
Filed: 1993-09-03
Abstract: PURPOSE: To simplify a structure of a display unit and make it inexpensive and easy by connecting a user interface to the display unit and controlling a microprocessor. CONSTITUTION: In the microprocessor control-type display unit 25, including a user operated means for adjusting or setting the display unit, the display unit includes connection means 11, 12, 13, 14, and 17 for connecting a user interface means, such as a mouse 32 and a key board 2 to a computer 1, operating as a bit-signal source through the display unit 25. Then the means for adjusting or setting the display unit has the user interface means connected to a microprocessor control 15 in the display unit by the connection means.
Patent JP-H04125472-A (JP)
Title: Pulse width measuring circuit
Inventor: HARA KIYOSHI
IPC: G01R29/02
Filed: 1990-09-17
Abstract: PURPOSE:To enable measuring accuracy of pulse width to be improved without increasing clock frequency by measuring a pulse width using n clock signals which are phase-shifted by 1/n cycle each. CONSTITUTION:In this circuit, a clock generator 1 generates n clock signals which are phase-shifted by 1/n cycle each and n counters 2 count up each clock. Therefore, since the pulse width can be measured using n clock signals in this circuit, measuring accuracy can be improved by n times without increasing clock frequency.
Patent JP-H0292770-A (JP)
Title: Antirolling device for bolsterless bogie
Inventor: OKAMOTO SEIICHI
IPC: B61F5/24
Filed: 1988-09-30
Abstract: PURPOSE:To substantially decrease amplitude of a rolling mode so as to improve comfortableness to ride in by providing an arm giving torsional moment to a torsion bar adding the rolling rigidity and swivelably providing a shock absorber in one end of this arm while turnably supporting the torsion bar to a bogie. CONSTITUTION:In a bolsterless bogie, a bogie frame 3, being a structure of a side beam 4 and a transverse beam 5, is arranged through an air spring 2 in the bottom of both side surface of a car body 1, and a wheel 7 is rotatably supported through an axle box supporting device 6 to both ends of the side beam 4 in its longitudinal direction. Here an antirolling device 11 is provided between the car body 1 and the bogie. This antirolling device 11 provides a bracket 13 fitting a bearing 12 in both sides of the side beam 4, and fitting a torsion bar 14 to an inner ring of the bearing 12, an arm 15 is firmly fixed by a shaft to both ends of the torsion bar 14. While a damper 17, having the characteristic generating large damping force in not less than a certain deformation speed, is provided between the arm 15 and a bracket 16 provided in the car body 1.
Patent JP-H08110698-A (JP)
Title: Image forming device
Inventor: HYO ICHIRO
IPC: G01N21/47
Filed: 1994-10-07
Abstract: PURPOSE: To prevent the variance of potential by electrification of a photoreceptor surface and to always stably maintain the image gray level, even if the temp. of an electrifier is in any range at the time of controlling the toner replenishment in an image forming device of the contact electrifying system. CONSTITUTION: The voltage applied the electrifier 6 is controlled by the applying voltage control means 21 corresponding to the detection temp. value of the temp. detection means 20. The reference pattern is made on the surface of the photoreceptor 5 by the reference pattern forming means 22, and corresponding to the pattern gray level detected by the pattern gray level detection means 16, the toner replenishment to the developing unit 7 is controlled by the toner replenishment control means 23. However, when the temp. detection value by the temp. detection means 20 at the time of forming the reference pattern comes in the specified range, the toner replenishment to the developing unit 7 is performed during the time previously set, until composing the next reference pattern.
Patent JP-H0294778-A (JP)
Title: Picture processing system
Inventor: HATA RYUICHI
IPC: G06T5/20
Filed: 1988-09-30
Abstract: PURPOSE:To obtain a sufficient corrected picture by employing a circuit in which a modulation transfer function MTF correction filter coefficient optimum to the transmission system with various different signals is set optionally. CONSTITUTION:A deteriorated picture data is inputted to a register A in 3X3 matrix register groups 11-19, an output of the register A is inputted to a buffer memory 1, retarded by one line and the result is outputted to a register D. Then the output of the register D is inputted to a buffer memory 2, retarded by one line and the result is outputted to a register G. Then a high-order bit of a setting port A is inputted to an n1 multiple circuit 4, in which the content of a register E is multiplied by n1. the low-order bit of the port A is inputted to an n2/4 multiple circuit 5, in which the n2 being a fraction of a correction coefficient is set and the content of the register E is multiplied by n2/4. Then an adder 8 calculates alpha(correction coefficient)XE. Thus, finally a subtractor 10 applies the subtraction of alphaXE-beta(correction coefficient)X(B+D+F+H) to attain the MTF correction.
Patent JP-2000070152-A (JP)
Title: Automatic fish roaster
Inventor: NAKAMURA MASAMI
IPC: A47J37/06
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To provide an automatic fish roaster which can eliminate unevenness of roasting regardless of a kind and an amount of fishes, and the number of roasting times, and can roast both sides of fishes at high heat so as to burn surfaces of the fishes appropriately for stimulating appetite, and roast the fishes by retaining flavor components inside the fishes. SOLUTION: When cooking is started by an automatic cooking menu set in an automatic cooking part of a cooking menu setting means 6, an energizing control of an upper heating element 2 and a lower heating element 3 is started. A remaining cooking time t1 is determined by a specified remaining time calculating expression from a detecting time t0, which is a period of time from the start to a time when a detected temperature T of the temperature detecting means 5 reaches a judging temperature T1. The calculating expression of the judging temperature T1 and the remaining cooking time t1 can be changed corresponding to the automatic cooking menu. A catalyst 12 and an exhaust fan 16 are provided between a cooking chamber 1 and an exhaust vent 14 of an outer housing 13.  The judging temperature T1 is corrected by an initial temperature T0 from a cooking start to a specified time passed of the temperature detecting means 5, and during this period the upper heating element 2 and the lower heating element 3 are not energized and only the exhaust fan 16 is energized.
Patent JP-H1067138-A (JP)
Title: Laser processing apparatus
Inventor: KUMAZAWA MASAHITO
IPC: B41J2/00
Filed: 1996-08-27
Abstract: PROBLEM TO BE SOLVED: To illuminate a plurality of the pattern regions of a mask with mutually same luminous intensity by utilizing the reflected laser beam from the mask. SOLUTION: This laser processing apparatus is equipped with an illumination optical system (IL) for obliquely illuminating the first pattern region (ILR 1) of a mask 10 with laser beam and a re-illumination optical system (RIF) for illuminating the second pattern region (ILR 2) of the mask with the laser beam reflected from the first pattern region. The first and second pattern regions are almost set to conjugated relation by the re-illumination optical system and the magnification from the first pattern region to the second pattern region is almost equimultiple.
Patent JP-H08103181-A (JP)
Title: Liquid-spraying head part of liquid-spraying device
Inventor: OTA HIROSHI
IPC: A01G25/02
Filed: 1994-10-07
Abstract: PURPOSE: To obtain the subject head part capable of freely setting the flying distances of water drops by changing the perforation positions of holes, capable of spraying the water in response to the shape and size of soil, etc., e.g., by suitably changing the perforation patterns of the holes, and further capable of substantially uniformly spraying the water over the whole surface of the soil, etc. CONSTITUTION: The semi-spherical part 1a of the water-spraying head part 1 is formed in an upward projected semi-spherical shape, and the head part 1 has plural holes 2.... The holes 2... are arranged in coaxial circles at whose center the top 3 of the semi-spherical surface is positioned. The holes 2... are perforated so that the diameters of the holes 2... are smallest at places near to four virtual lines 4... almost radially elongated from the top 3 along the semi-spherical surface at a distance of 90 deg. on the same circumference, namely on the same elevation angle based on the center of the semi-spherical part 1a, and further so that the diameters of the holes 2... are enlarged with separation from the virtual lines 4.... Thereby, the water can substantially uniformly be sprayed over the whole surface of a spraying place in arbitrary shapes and sizes.
Patent JP-H1180853-A (JP)
Title: Recovery of antimony from sulfide form
Inventor: ISHII TOSHIFUMI
IPC: C22B30/02
Filed: 1997-09-09
Abstract: PROBLEM TO BE SOLVED: To separate impurity components such as Cu, As, Bi or the like and to recover Sb as simple substance by subjecting a sulfide form contg at least. Cu, As and Bi to oxidative leaching in the presence of alkali, adding alkali to the leach liquor to regulate the pH therein to >=specified value, executing oxidation treatment and separating and recovering Sb. SOLUTION: As the one of a sulfide form, antimony sulfide can be given. This is oxidized in the presence of alkali to leach As and Sb, Cu and Bi remain in the residue, after solid-liq. separation, furthermore, only as for the leach liquor, the pH is regulated to 1 by the addition of alkali, and oxidation treatment is executed. In this way, Sb only is precipitated, and the leach liquor contg. As is subjected to solid-liq. separation. The oxidative leaching and oxidation treatment are executed in such a manner that air is blown into the soln., and, preferably, the amt. of air to be blown is regulated to 0.1 to 1.0 m<3> /min per m<3> soln., and the temp. of the soln. is regulated to 50 to 80 deg.C.
Patent JP-S63101546-A (JP)
Title: Switching mechanism of planetary speed change gear
Inventor: YAMAMOTO MASAO
IPC: F16H63/30
Filed: 1986-10-15
Abstract: PURPOSE:To smoothly conduct switching operation by disposing a ball capable of freely idling either on a switching ring or a member engaged with the ring. CONSTITUTION:A planetary gear 2 having gear portions 21, 22 is engaged with a sun gear 1, and ring gears 31, 32 are disposed. A switch ring 7 is disposed on the outer periphery of the ring gears 31, 32, and a projection 70 is provided on the inner peripheral surface thereof. Balls 37, 38 are disposed in holes 35, 36 formed on the outer peripheries of the ring gears 31, 32, and engaging grooves 71 are provided in such a manner as to engage with the balls. Accordingly, there is no interference at the time of switching, so that smooth switching operation can be performed.
Patent JP-H0671359-A (JP)
Title: Method for detecting bend of steel tube
Inventor: OHIRA NOBORU
IPC: B21D39/20
Filed: 1992-09-14
Abstract: PURPOSE:To enable measuring in real time the direction and amount of bend of steel tube during expansion by arranging a prescribed number of non-contact type distance measuring devices in the downstream direction from a tube expansion head. CONSTITUTION:The non-contact type distance measuring devices 4a-4f are arranged at least in three places at equal spaces apart on a boom 2 in the downstream direction from the tube expansion head 3. Also these distance measuring devices 4a-4f are arranged for an adequate angle on the peripheral surface of the boom 2 so as to measure in at least two directions a distance to the inner surface 5, 6 of the steel tube 1 with the peripheral surface of the boom 2 as a reference. Namely, the distance measuring devices are arranged dividedly in groups, 4a-4c and 4d-4f. The distance measuring devices of each group are arranged in parallel to the center axis 7 of the boom 2 and nearly in a straight line. A reference ultrasonic distance measuring device 4l is attached to the boom 2, and the variance of sound velocity due to temperature is compensated.
Patent JP-H08108178-A (JP)
Title: Waste water-treating equipment of waste refuse incineration plant
Inventor: OBATA HIROICHI
IPC: C02F3/12
Filed: 1994-10-11
Abstract: PURPOSE: To provide equipment capable of being miniaturized as a whole and enabling high-order water treatment. CONSTITUTION: A first filter device 21 filtering inorg. waste water to which a flocculant is added in a chemical mixing tank 2 by a filter membrane 23 to separate a suspended solid and a second filter device 22 filtering the waste water from the first filter device 21 and org. waste water after the suspended solid therein is adsorbed by the contact with activated sludge in a contact oxidizing tank 7 by a filter membrane 24 to separate and remove a suspended solid are provided. By this constitution, a conventional sedimentation tank and a sand filtering tank performing high-order separation can be eliminated and equipment can be miniaturized.